A seismic data collection node has a clock for dating samples of seismic data and means for estimating a drift over time of a variable physical operating parameter of the clock. According to a predetermined non-linear law of variation of the variable physical operating parameter, the instantaneous frequency varies according to a polynomial equation of order greater than or equal to 2, such that a phase of the clock varies according to a polynomial equation of order greater than or equal to 3.
A remote control system for a vibratory seismic source that generates seismic signals. The remote control system includes an attachment mechanism configured to be fixedly attached to a component of a vehicle carrier that carries the vibratory seismic source, and a remote control mechanism supported by the attachment mechanism, wherein the remote control mechanism includes first and second command units, each configured to control a baseplate associated with the vibratory seismic source. Each of the first and second command units are configured to be removed from the remote control mechanism while the attachment mechanism is hold in place.
A remote control system for a vibratory seismic source that generates seismic signals. The remote control system includes an attachment mechanism (510) configured to be fixedly attached to a component of a vehicle carrier that carries the vibratory seismic source, and a remote control mechanism (550) supported by the attachment mechanism (510), wherein the remote control mechanism (550) includes first and second command units (560, 580), each configured to control a baseplate associated with the vibratory seismic source. Each of the first and second command units (560, 580) are configured to be removed from the remote control mechanism (550) while the attachment mechanism (510) is hold in place.
The invention relates to an accelerometer comprising a support (2), a seismic mass (1) with which an acceleration sensor is associated which has at least one acceleration sensitivity axis (As), the seismic mass being liable to be subjected to a force brought about by an acceleration to be measured and to a static force, such as gravity or an inertial force; and an elastically deformable connecting device (3), which connects the seismic mass (1) to the support (2). The accelerometer also comprises a fixed stop system (5) and a movable stop device (34) which is attached to the elastically deformable connecting device (3) or which forms part of the elastically deformable connecting device (3), and a movement system (4) configured to move the movable stop device (34) against the fixed stop system (5) so as to elastically deform the elastically deformable connecting device (3) in order to apply a return force (FR) to the seismic mass (1).
G01P 15/13 - Mesure de l'accélérationMesure de la décélérationMesure des chocs, c.-à-d. d'une variation brusque de l'accélération en ayant recours aux forces d'inertie avec conversion en valeurs électriques ou magnétiques en mesurant la force nécessaire pour remettre à sa position de repos une masse d'épreuve soumise aux forces d'inertie
G01P 15/08 - Mesure de l'accélérationMesure de la décélérationMesure des chocs, c.-à-d. d'une variation brusque de l'accélération en ayant recours aux forces d'inertie avec conversion en valeurs électriques ou magnétiques
5.
HIGH-SPEED, HALF-DUPLEX COMMUNICATION WITH STANDARD MICROCONTROLLER
A communication system includes a node configured to collect ambient (819) data with a sensor (812), and a docking station (840) configured to couple to the node and to establish a communication path with the node through only one signal along one or two wires. The node includes a first module (712) configured to use a first data communication protocol for receiving commands from the docking station (840) along the communication path, and a second module (820) configured to use a second data communication protocol for sending the ambient data to the docking station (840) along the communication path. The first data communication protocol is different from the second data communication protocol, the first data communication protocol is asynchronous and the second data communication protocol is a modified synchronous protocol.
A communication system includes a node configured to collect ambient data with a sensor, and a docking station configured to couple to the node and to establish a communication path with the node through only one signal along one or two wires. The node includes a first module configured to use a first data communication protocol for receiving commands from the docking station along the communication path, and a second module configured to use a second data communication protocol for sending the ambient data to the docking station along the communication path. The first data communication protocol is different from the second data communication protocol, the first data communication protocol is asynchronous and the second data communication protocol is a modified synchronous protocol.
H04L 25/49 - Circuits d'émissionCircuits de réception à conversion de code au transmetteurCircuits d'émissionCircuits de réception à pré-distorsionCircuits d'émissionCircuits de réception à insertion d'intervalles morts pour obtenir un spectre de fréquence désiréCircuits d'émissionCircuits de réception à au moins trois niveaux d'amplitude
7.
METHOD FOR STEERING A VESSEL, RELATED NAVIGATION SYSTEM AND METHOD FOR SEISMIC DATA ACQUISITION
A method for steering a vessel (6) towing a streamer (7) or a streamer spread. The method comprises acquiring or determining a desired trajectory (PPL) for at least one point (CS7) of the streamer (7) or of the streamer spread; acquiring or determining water current values; modelling a plurality of trajectories for the streamer (7) or the streamer spread according to a plurality of given courses for the vessel and said water current values; determining a target course (T6) for the vessel (6) in function of said plurality of modelled trajectories for the streamer (7) or the streamer spread, and in function of said desired trajectory (PPL) of said at least one point (CS7) of the streamer (7) or of the streamer spread, so that the position (TCS7) of said at least one point (CS7) of the streamer (7) or of the streamer spread, that results from the determined target course (T6) of the vessel (6), follows said desired trajectory (PPL) or follows a trajectory that is included in a predefined width corridor that contains said desired trajectory (PPL); and steering the vessel (6) according to the determined target course (T6). It is also proposed a related computer program, navigation system and method for seismic data acquisition.
G01V 1/38 - SéismologieProspection ou détection sismique ou acoustique spécialement adaptées aux zones recouvertes d'eau
B63B 21/66 - Équipements spécialement adaptés au remorquage sous l'eau des objets ou des navires, p. ex. carénages hydrodynamiques pour câbles de remorquage
B63B 79/00 - Surveillance des caractéristiques ou des paramètres de fonctionnement des navires en opération
8.
System for recovering an ocean-bottom seismometer, ship and corresponding method
The invention relates to a system (1) for recovering an ocean-bottom seismometer (2), intended to be provided on a ship. The system comprises a receiving device (11) having an at least partially rigid structure, a guide barrier (121) to define, with the hull of the ship (3), a zone for guiding the ocean-bottom seismometer (2) towards the receiving device (11). A movement system (13) makes it possible to move the receiving device (11) between a low position in which the receiving device (11) is at least partially submerged and a high position enabling an operator or an apparatus present on the ship (3) to recover the ocean-bottom seismometer (2) carried by the receiving device (11). The invention also relates to a ship provided with the system and to a corresponding recovery method.
B63B 27/16 - Aménagement des équipements de bord pour l'embarquement ou le débarquement des cargaisons ou des passagers des ascenseurs ou appareils de levage
G01V 1/38 - SéismologieProspection ou détection sismique ou acoustique spécialement adaptées aux zones recouvertes d'eau
9.
METHOD AND DEVICE FOR MONITORING THE SUBSOIL OF THE EARTH UNDER A TARGET ZONE
The invention relates to a method which comprises, in order to monitor the subsoil of the earth under a target zone comprising a traffic lane: placing (E1) at least one sensor in the target zone in the vicinity of the traffic lane, provided at known intervals with a plurality of elements arranged transversely with respect to the traffic lane; recording (E2) seismic waves originating from a plurality of primary sources of primary seismic signals identified and movable along the traffic lane; for each primary source of the plurality of primary sources, breaking down (E3) the primary seismic signal generated by the primary source into a sum of multiple secondary seismic signals generated by each of the transverse elements located in the target zone; reconstructing (E4) a set of seismograms of the target zone by deconvolution from the secondary seismic signals; and generating (E5) an image of the subsoil under the target zone from the seismograms.
A seismic source for generating seismic waves under water includes an operating head having an operating chamber, a cushion chamber, and discharge ports, a firing chamber attached to the operating head, the firing chamber configured to hold compressed air to be discharged through the discharge ports, and a shuttle assembly having a shaft located within the operating head and configured to prevent the compressed air in the firing chamber to enter the discharge ports when in a close state, and to allow the compressed air in the firing chamber to be discharged through the discharge ports when in an open state. The shaft of the shuttle assembly which extends in both the operating chamber and the cushion chamber, has a channel having a varying depth.
G01V 1/137 - Production d'énergie sismique en utilisant des fluides comme moyens d'entraînement hydrauliques, p. ex. en utilisant des fluides à haute pression dont les fluides s'échappent du générateur d'une manière pulsée, p. ex. pour produire des explosions
G01V 1/143 - Production d'énergie sismique en utilisant des moyens d'entraînement mécaniques
11.
CLOUD-BASED, TIME-LIMITED, CONFIDENTIALITY-RATED DATA MANAGEMENT SYSTEM FOR SEISMIC DATA ACQUISITION AND METHOD
A cloud-based, time-limited, confidentiality-rated data management system for survey ancillary data associated with acquisition of seismic data during at least one seismic survey. The system includes a database module configured to store in a first region the survey ancillary data, a data application configured to interact with the database module and upload or download the survey ancillary data, a time module configured to count a lifetime associated with the survey ancillary data, and an erase module configured to erase the survey ancillary data from the database module at the end of the lifetime counted by the time module. The lifetime of the survey ancillary data is shorter than a duration of the seismic survey.
A cloud-based, time-limited, confidentiality-rated data management system for survey ancillary data associated with acquisition of seismic data during at least one seismic survey. The system includes a database module configured to store in a first region the survey ancillary data, a data application configured to interact with the database module and upload or download the survey ancillary data, a time module configured to count a lifetime associated with the survey ancillary data, and an erase module configured to erase the survey ancillary data from the database module at the end of the lifetime counted by the time module. The lifetime of the survey ancillary data is shorter than a duration of the seismic survey.
A connecting module for connecting seismic equipment towed in water, includes a housing having first and second ends opposite to each other, a removable connecting part removably attached to the first end of the housing, an integral connecting part integrally made with the housing at the second end, the integral connecting part having a bore, and one or more pins configured to enter from an outside of the integral connecting part into the bore. An end of the one or more pins has a conical surface that is configured to transfer a radial force FR applied to the one or more pins, as a longitudinal force FL to an electrical insert to be placed in the bore.
G01V 1/20 - Aménagements d'éléments récepteurs, p. ex. oscillogrammes géophoniques
G01V 1/38 - SéismologieProspection ou détection sismique ou acoustique spécialement adaptées aux zones recouvertes d'eau
H01R 13/66 - Association structurelle avec des composants électriques incorporés
H01R 13/426 - Fixation de manière démontable par un dispositif de retenue indépendant et élastique porté par le socle ou par le boîtier, p. ex. par un collier
09 - Appareils et instruments scientifiques et électriques
12 - Véhicules; appareils de locomotion par terre, par air ou par eau; parties de véhicules
35 - Publicité; Affaires commerciales
37 - Services de construction; extraction minière; installation et réparation
39 - Services de transport, emballage et entreposage; organisation de voyages
41 - Éducation, divertissements, activités sportives et culturelles
42 - Services scientifiques, technologiques et industriels, recherche et conception
Produits et services
Apparatus for cleaning underwater elements; industrial
robots. Scientific and electronic research, navigation, detecting,
testing, inspecting and teaching apparatus and instruments;
sensors for measuring temperature, pressure; motion,
vibration, oscillation, frequency sensors and detectors;
scientific weighing, measuring, detecting, monitoring and
controlling apparatus and instruments; electronic sensors
and digital measurement apparatus; apparatus for
geotechnical and geophysical diagnostic, testing and
analysis; detection, measurement, transmission and acoustic
communication apparatus and instruments; scientific
apparatus and instruments for detecting and/or locating
and/or classifying underwater animals; geophones; hydrophone
machines and apparatus; accelerometers; seismometers;
seismic, gravimetric, electromagnetic detectors; seismic
streamers; devices associated with seismic streamers;
seismic streamer positioning system; cables for data
transmission and/or feeding sensors for geophysical use;
vibration generating devices; seismic disturbance source
control and monitoring system; apparatus and software for
recording, communicating, preparing and processing data for
geotechnical and geophysical seismic studies, and monitoring
soil, subsoil and infrastructures; apparatus and software
for visualizing recorded and/or processed data; data
replaying apparatus and software; marine operational
logistics systems and software; navigation software for
ships; pilot software for seismic studies; risk detection
software; software for tracking simultaneous operations of
vehicles; scientific software; downloadable software;
communication software; instruments for the study of
geophysical data, namely, seismic and/or land disturbance
sources. Vehicles; apparatus for locomotion by land, sea and
underwater used in the field of seismology and geophysics. Risk advice and management in the planning and/or cost
and/or organization and/or roll out and/or quality of a
project; business management consulting; administrative
management advice and operational process management in the
field of port operations for third parties; business
management advice relating to the feasibility of a
construction. Installation, maintenance and repair advice and services;
maintenance, recalibration and predictive maintenance
services of scientific and electronic apparatus and
instruments; building consultancy. Fleet management advisory services in the nature of tracking
fleets of sea or land vehicles near to obstacles; harbor
services; logistics services with respect to transport. Professional training; practical training; organizing and
conducting seminars, symposiums, training workshops;
know-how transfer; teaching services; electronic
publication; publication of pamphlets. Scientific and technical advice services for monitoring
soil, subsoil, infrastructures as well as ground-anchored
structures; engineering, geophysical and geotechnical advice
and studies; technical and scientific data analyses, namely,
processing, analysis, interpretation of geophysical,
geotechnical and seismic data for diagnosing, imaging,
exploring and/or exploiting the subsoil; monitoring the
quality control of seismic procedures and of geophysical
data acquisition; consultancy services relating to research
in the field of underwater, geophysical and/or seismic
exploration; geophysical (including seismic, gravimetric,
electromagnetic) exploration; passive acoustic monitoring
services; services relating to detecting and/or localizing
and/or classifying underwater animals; environmental
monitoring services; scientific and technical advisory
services for using scientific systems in connection with
soil, subsoil, infrastructures as well as ground-anchored
structures; instrumentation of drones in geophysical,
seismic or acoustic equipment; processing and analysis of
data associated with seismic and geophysical operations;
preparing and verifying the integrity of data associated
with seismic and geophysical operations; assessment in
scientific fields provided by engineers; monitoring of
computer systems to detect breakdowns; provision, rental,
installation, updating, maintenance and repair of software;
Software as a Service (SaaS); archiving, electronic storage
and providing scientific research results and information in
searchable online databases; cloud computing.
09 - Appareils et instruments scientifiques et électriques
12 - Véhicules; appareils de locomotion par terre, par air ou par eau; parties de véhicules
35 - Publicité; Affaires commerciales
37 - Services de construction; extraction minière; installation et réparation
39 - Services de transport, emballage et entreposage; organisation de voyages
41 - Éducation, divertissements, activités sportives et culturelles
42 - Services scientifiques, technologiques et industriels, recherche et conception
Produits et services
Apparatus for cleaning underwater elements; industrial
robots. Scientific and electronic research, navigation, detecting,
testing, inspecting and teaching apparatus and instruments;
sensors for measuring temperature, pressure; motion,
vibration, oscillation, frequency sensors and detectors;
scientific weighing, measuring, detecting, monitoring and
controlling apparatus and instruments; electronic sensors
and digital measurement apparatus; apparatus for
geotechnical and geophysical diagnostic, testing and
analysis; detection, measurement, transmission and acoustic
communication apparatus and instruments; scientific
apparatus and instruments for detecting and/or locating
and/or classifying underwater animals; geophones; hydrophone
machines and apparatus; accelerometers; seismometers;
seismic, gravimetric, electromagnetic detectors; seismic
streamers; devices associated with seismic streamers;
seismic streamer positioning system; cables for data
transmission and/or feeding sensors for geophysical use;
vibration generating devices; seismic disturbance source
control and monitoring system; apparatus and software for
recording, communicating, preparing and processing data for
geotechnical and geophysical seismic studies, and monitoring
soil, subsoil and infrastructures; apparatus and software
for visualizing recorded and/or processed data; data
replaying apparatus and software; marine operational
logistics systems and software; navigation software for
ships; pilot software for seismic studies; risk detection
software; software for tracking simultaneous operations of
vehicles; scientific software; downloadable software;
communication software; instruments for the study of
geophysical data, namely, seismic and/or land disturbance
sources. Vehicles; apparatus for locomotion by land, sea and
underwater used in the field of seismology and geophysics. Risk advice and management in the planning and/or cost
and/or organization and/or roll out and/or quality of a
project; business management consulting; administrative
management advice and operational process management in the
field of port operations for third parties; business
management advice relating to the feasibility of a
construction. Installation, maintenance and repair advice and services;
maintenance, recalibration and predictive maintenance
services of scientific and electronic apparatus and
instruments; building consultancy. Fleet management advisory services in the nature of tracking
fleets of sea or land vehicles near to obstacles; harbor
services; logistics services with respect to transport. Professional training; practical training; organizing and
conducting seminars, symposiums, training workshops;
know-how transfer; teaching services; electronic
publication; publication of pamphlets. Scientific and technical advice services for monitoring
soil, subsoil, infrastructures as well as ground-anchored
structures; engineering, geophysical and geotechnical advice
and studies; technical and scientific data analyses, namely,
processing, analysis, interpretation of geophysical,
geotechnical and seismic data for diagnosing, imaging,
exploring and/or exploiting the subsoil; monitoring the
quality control of seismic procedures and of geophysical
data acquisition; consultancy services relating to research
in the field of underwater, geophysical and/or seismic
exploration; geophysical (including seismic, gravimetric,
electromagnetic) exploration; passive acoustic monitoring
services; services relating to detecting and/or localizing
and/or classifying underwater animals; environmental
monitoring services; scientific and technical advisory
services for using scientific systems in connection with
soil, subsoil, infrastructures as well as ground-anchored
structures; instrumentation of drones in geophysical,
seismic or acoustic equipment; processing and analysis of
data associated with seismic and geophysical operations;
preparing and verifying the integrity of data associated
with seismic and geophysical operations; assessment in
scientific fields provided by engineers; monitoring of
computer systems to detect breakdowns; provision, rental,
installation, updating, maintenance and repair of software;
Software as a Service (SaaS); archiving, electronic storage
and providing scientific research results and information in
searchable online databases; cloud computing.
16.
AUTONOMOUS UNDERWATER VEHICLE AND CORRESPONDING GUIDANCE METHOD
The invention relates to an autonomous underwater vehicle (1) comprising a housing (10) having a measurement system (13) comprising three acceleration or speed sensors on different axes from one another, and a processing unit configured to generate seismic data from the received seismic waves (S1) and to determine the direction (D2) of the acoustic waves (S2) transmitted by an acoustic transmitter (20) from a base (2) which are received by at least two sensors of the measurement system (13); and to generate and transmit, to the navigation system (12), guidance data relating to the determined direction (D2) of the received acoustic waves (S2). The navigation system (12) is configured to control the propulsion and steering system (11) of the vehicle according to the guidance data in order to guide the movement of the vehicle towards the base.
The invention relates to a method for monitoring the physical state of a longitudinal element (IO) of a railway-type rail, the method having a step of detecting mechanical waves moving along the longitudinal element (IO), in particular due to the passing of a train, by means of an array of mechanical wave sensors placed along and in contact with the longitudinal element, the array having at least one first pair (A) of sensors each positioned at one end of a first portion (IOa) of the longitudinal element (IO), and a step of processing the signals emitted by the sensors in the array of sensors, the processing step having the determination of at least one first interfered signal determined from signals provided by the sensors in the first pair (A) of sensors over a first predetermined period of time.
B61L 23/04 - Dispositifs de commande, d'avertissement ou autres dispositifs de sécurité le long de la voie ou entre les véhicules ou les trains pour contrôler l'état mécanique de la voie
18.
Mobile docking device for seismic acquisition nodes and method
A mobile docking device is configured to receive seismic acquisition units. The mobile docking device includes a container having a front opening, a docking module located within the container, the docking module having plural docking bays, each docking bay being configured to receive one of the seismic acquisition units through the front opening, a removable front wall configured to be attached to the container to cover the front opening to secure the seismic acquisition units, and handles attached to the container. The removable front wall biases the seismic acquisition units to maintain a direct electrical connection between tubular pins of the plural docking bays and pins of the seismic acquisition units during transport of the mobile docking device.
09 - Appareils et instruments scientifiques et électriques
12 - Véhicules; appareils de locomotion par terre, par air ou par eau; parties de véhicules
35 - Publicité; Affaires commerciales
37 - Services de construction; extraction minière; installation et réparation
39 - Services de transport, emballage et entreposage; organisation de voyages
41 - Éducation, divertissements, activités sportives et culturelles
42 - Services scientifiques, technologiques et industriels, recherche et conception
Produits et services
Industrial robots Scientific research apparatus and instruments, namely, seismic detectors, seismic exploration machines and apparatus for the detection of underwater animals and/or sea animals and/or for geophysical and seismic surveying and/or for vocalization detection, namely, passive acoustic monitoring systems ; scientific and electronic apparatus and instruments, namely, sets of electric sensors for sensing seismic waves, electronic systems comprised of geophysics and seismic detection and vocalization detection software, a casing to house the systems, electric and optical cables and electric and optical sensors for sensing seismic waves, all sold as a unit; Downhole sensors for measuring temperature and pressure; motion, vibration, oscillation, frequency sensors and detectors; electronic sensors and digital measurement apparatus for measuring seismic waves; Scientific apparatus to diagnose, test and analyze geotechnical and geophysical data; Scientific apparatus and instruments for the detection, measurement, transmission and acoustic communication of undersea activity; scientific apparatus and instruments for detecting and/or locating and/or classifying underwater animals; geophones; hydrophone machines and apparatus; accelerometers; seismometers; seismic detectors; seismic streamers and sensors devices for use with seismic streamers ; Acoustic measurement and control device for positioning streamers for offshore seismic recording apparatus; cables for data transmission and/or feeding sensors for geophysical use; vibration generating devices; seismic disturbance source control and monitoring system; Recorded software for recording, communicating, preparing and processing data for geotechnical and geophysical seismic studies, and monitoring soil, subsoil and infrastructures; Scientific apparatus for recording , communicating, preparing and processing data for geophysical seismic studies, and monitoring soil, subsoil and infrastructure; Computer hardware data replaying apparatus and embedded software for use therewith; marine operational logistics systems consisting essentially of computer hardware and embedded software for marine navigation; Recorded and downloadable navigation software for ships; Recorded and downloadable driving software for conducting seismic studies; Recorded and downloadable software for detection and visualization of geotechnical and geophysical risk; Recorded and downloadable software for tracking simultaneous operations of vehicles; Recorded software for compiling and analyzing scientific data; Recorded and downloadable computer software for data communications; instruments for the study of geophysical data, namely, seismic and/or land disturbance sources. Apparatus for locomotion by land, sea and underwater used in the field of seismology and geophysics, namely motorized vibrators. Providing business risk advice and management in the planning and/or cost and/or organization and/or roll out and/or quality of a project; business management consulting; business management advice and operational business process management in the field of port operations for third parties; business management advice relating to the feasibility of a construction project. Installation, maintenance and repair of measurement devices and sensors and consultation in connection therewith; maintenance, and predictive maintenance services of scientific and electronic measuring apparatus and instruments; Construction consultancy. Tracking fleets of sea or land vehicles near to obstacles for transportation purposes and/or for docking purposes; harbor services, namely boat transportation services at port entrance and in ports; Marine transportation consulting services . Professional and practical training services in the field of seismic operations and/or product usage and maintenance; organizing and conducting seminars, symposiums, training workshops in the field of geophysics and seismic exploration; teaching in the field of geophysics and seismic exploration; electronic publication, namely magazines and newsletters on geophysics and seismic exploration. Scientific and technical advice services for monitoring soil, subsoil, infrastructures as well as ground-anchored structures; geophysical and geotechnical engineering; technical and scientific data analyses, namely, processing, analysis, interpretation of geophysical, geotechnical and seismic data for diagnosing, imaging, exploring and/or exploiting the subsoil; monitoring the quality control of seismic procedures and of geophysical data acquisition; Scientific consultancy services relating to research in the field of underwater, geophysical and/or seismic exploration; geophysical exploration utilizing seismic processes; passive acoustic monitoring technical services for instruments for mammal tracking purposes; Scientific and/or technical investigation services relating to detecting and/or localizing and/or classifying underwater animals; scientific and technical advisory services for using scientific systems in connection with soil, subsoil, infrastructures as well as ground-anchored structures; Service of instrumentation of sub-marine drones in geophysical, seismic or acoustic equipment; processing and analysis of data associated with seismic and geophysical operations for others; preparing and verifying the integrity of data associated with seismic and geophysical operations; monitoring of computer systems to detect breakdowns; rental, installation, updating, maintenance and repair of software; Software as a Service (SaaS) featuring software for monitoring soil, subsoil, infrastructures as well as ground-anchored structures; Electronic storage services for archiving electronic data; electronic data storage; providing scientific research results and information in searchable online databases; providing virtual computer systems through cloud computing.
09 - Appareils et instruments scientifiques et électriques
12 - Véhicules; appareils de locomotion par terre, par air ou par eau; parties de véhicules
35 - Publicité; Affaires commerciales
37 - Services de construction; extraction minière; installation et réparation
39 - Services de transport, emballage et entreposage; organisation de voyages
41 - Éducation, divertissements, activités sportives et culturelles
42 - Services scientifiques, technologiques et industriels, recherche et conception
Produits et services
Industrial robots Scientific research apparatus and instruments, namely, seismic detectors, seismic exploration machines and apparatus for the detection of underwater animals and/or sea animals and/or for geophysical and seismic surveying and/or for vocalization detection, namely, passive acoustic monitoring systems ; scientific and electronic apparatus and instruments, namely, sets of electric sensors for sensing seismic waves, electronic systems comprised of geophysics and seismic detection and vocalization detection software, a casing to house the systems, electric and optical cables and electric and optical sensors for sensing seismic waves, all sold as a unit; Downhole sensors for measuring temperature and pressure; motion, vibration, oscillation, frequency sensors and detectors; electronic sensors and digital measurement apparatus for measuring seismic waves; Scientific apparatus to diagnose, test and analyze geotechnical and geophysical data; Scientific apparatus and instruments for the detection, measurement, transmission and acoustic communication of undersea activity; scientific apparatus and instruments for detecting and/or locating and/or classifying underwater animals; geophones; hydrophone machines and apparatus; accelerometers; seismometers; seismic detectors; seismic streamers and sensors devices for use with seismic streamers ; Acoustic measurement and control device for positioning streamers for offshore seismic recording apparatus; cables for data transmission and/or feeding sensors for geophysical use; vibration generating devices; seismic disturbance source control and monitoring system; Recorded software for recording, communicating, preparing and processing data for geotechnical and geophysical seismic studies, and monitoring soil, subsoil and infrastructures; Scientific apparatus for recording , communicating, preparing and processing data for geophysical seismic studies, and monitoring soil, subsoil and infrastructure; Computer hardware data replaying apparatus and embedded software for use therewith; marine operational logistics systems consisting essentially of computer hardware and embedded software for marine navigation; Recorded and downloadable navigation software for ships; Recorded and downloadable driving software for conducting seismic studies; Recorded and downloadable software for detection and visualization of geotechnical and geophysical risk; Recorded and downloadable software for tracking simultaneous operations of vehicles; Recorded software for compiling and analyzing scientific data; Recorded and downloadable computer software for data communications; instruments for the study of geophysical data, namely, seismic and/or land disturbance sources. Apparatus for locomotion by land, sea and underwater used in the field of seismology and geophysics, namely motorized vibrators. Providing business risk advice and management in the planning and/or cost and/or organization and/or roll out and/or quality of a project; business management consulting; business management advice and operational business process management in the field of port operations for third parties; business management advice relating to the feasibility of a construction project. Installation, maintenance and repair of measurement devices and sensors and consultation in connection therewith; maintenance, and predictive maintenance services of scientific and electronic measuring apparatus and instruments; Construction consultancy. Tracking fleets of sea or land vehicles near to obstacles for transportation purposes and/or for docking purposes; harbor services, namely boat transportation services at port entrance and in ports; Marine transportation consulting services . Professional and practical training services in the field of seismic operations and/or product usage and maintenance; organizing and conducting seminars, symposiums, training workshops in the field of geophysics and seismic exploration; teaching in the field of geophysics and seismic exploration; electronic publication, namely magazines and newsletters on geophysics and seismic exploration. Scientific and technical advice services for monitoring soil, subsoil, infrastructures as well as ground-anchored structures; geophysical and geotechnical engineering; technical and scientific data analyses, namely, processing, analysis, interpretation of geophysical, geotechnical and seismic data for diagnosing, imaging, exploring and/or exploiting the subsoil; monitoring the quality control of seismic procedures and of geophysical data acquisition; Scientific consultancy services relating to research in the field of underwater, geophysical and/or seismic exploration; geophysical exploration utilizing seismic processes; passive acoustic monitoring technical services for instruments for mammal tracking purposes; Scientific and/or technical investigation services relating to detecting and/or localizing and/or classifying underwater animals; scientific and technical advisory services for using scientific systems in connection with soil, subsoil, infrastructures as well as ground-anchored structures; Service of instrumentation of sub-marine drones in geophysical, seismic or acoustic equipment; processing and analysis of data associated with seismic and geophysical operations for others; preparing and verifying the integrity of data associated with seismic and geophysical operations; monitoring of computer systems to detect breakdowns; rental, installation, updating, maintenance and repair of software; Software as a Service (SaaS) featuring software for monitoring soil, subsoil, infrastructures as well as ground-anchored structures; Electronic storage services for archiving electronic data; electronic data storage; providing scientific research results and information in searchable online databases; providing virtual computer systems through cloud computing.
21.
Coherent noise-based seismic data verticalization correction method and system
A method for verticalizing recorded seismic data, the method including recording first data with a particle motion sensor, wherein the particle motion sensor is located on a streamer, and the particle motion sensor is configured to be insensitive to a direct current, recording second data with a gravity motion sensor, wherein the gravity motion sensor is also located on the stream, and the gravity motion sensor is configured to be sensitive to the direct current and temporally synchronous to the particle motion sensor, selecting a cost function that associates corresponding values of the first data and the second data, determining a misalignment angle from maximizing the cost function, wherein the misalignment angle describes a misalignment between corresponding axes of the particle motion sensor and the gravity motion sensor, and correcting seismic data recorded by the particle motion sensor based on the misalignment angle so that the corrected seismic data is verticalized with regard to gravity.
A seismic source using tuned pulse sources to form an ultra-low frequency (ULF) cluster intended for use in generating seismic energy impulses for marine seismic exploration and more specifically to improved performance by increasing low frequency output to within a range of 1 Hz to 3 Hz to provide greater penetration of the seismic signal through complex overburden such as salt or basalt.
G01V 1/137 - Production d'énergie sismique en utilisant des fluides comme moyens d'entraînement hydrauliques, p. ex. en utilisant des fluides à haute pression dont les fluides s'échappent du générateur d'une manière pulsée, p. ex. pour produire des explosions
G01V 1/38 - SéismologieProspection ou détection sismique ou acoustique spécialement adaptées aux zones recouvertes d'eau
23.
HYBRID SEISMIC DATA ACQUISITION DEVICE AND CORRESPONDING METHODS
It is proposed a seismic data acquisition device (400) intended to be placed on an ocean bottom floor, comprising a polymeric casing (412) defining a chamber that houses at least art of a data acquisition system (440, 444, 445); and a metallic device (414) in which the polymeric casing (412) is trapped, the metallic device (414) comprising two metallic beams (4141, 4142) that extend on opposite sides of the polymeric casing (412).
It is proposed a seismic data acquisition device (400) intended to be placed on an ocean bottom floor, comprising a polymeric casing (412) defining a chamber that houses at least art of a data acquisition system (440, 444, 445); and a metallic device (414) in which the polymeric casing (412) is trapped, the metallic device (414) comprising two metallic beams (4141, 4142) that extend on opposite sides of the polymeric casing (412).
It is also proposed a method for assembling such a device and a corresponding method for seabed seismic data acquisition.
A method for automatically propagating a voltage along a marine seismic streamer, the method including detecting, at an ith concentrator of the streamer, a first voltage applied at a first high-voltage rail HV1; detecting, at the ith concentrator of the streamer, a second voltage applied at a second high-voltage rail HV2, the first and second high-voltage rails extend over the entire streamer; checking a predetermined condition at a first local controller of the ith concentrator; and closing a first switch SW1, which propagates the first high-voltage rail HV1, when the predetermined condition is satisfied.
H04L 12/437 - Isolement de la défaillance de l'anneau ou reconfiguration
G01S 13/00 - Systèmes utilisant la réflexion ou la reradiation d'ondes radio, p. ex. systèmes radarSystèmes analogues utilisant la réflexion ou la reradiation d'ondes dont la nature ou la longueur d'onde sont sans importance ou non spécifiées
G01V 1/20 - Aménagements d'éléments récepteurs, p. ex. oscillogrammes géophoniques
G01V 1/22 - Transmission des signaux sismiques aux appareils d'enregistrement ou de traitement
G01V 1/38 - SéismologieProspection ou détection sismique ou acoustique spécialement adaptées aux zones recouvertes d'eau
25.
SYSTEM FOR RECOVERING AN OCEAN-BOTTOM SEISMOMETER, SHIP AND CORRESPONDING METHOD
The invention relates to a system (1) for recovering an ocean-bottom seismometer (2), intended to be provided on a ship. The system comprises a receiving device (11) having an at least partially rigid structure, a guide barrier (121) to define, with the hull of the ship (3), a zone for guiding the ocean-bottom seismometer (2) towards the receiving device (11). A movement system (13) makes it possible to move the receiving device (11) between a low position in which the receiving device (11) is at least partially submerged and a high position enabling an operator or an apparatus present on the ship (3) to recover the ocean-bottom seismometer (2) carried by the receiving device (11). The invention also relates to a ship provided with the system and to a corresponding recovery method.
G01V 1/38 - SéismologieProspection ou détection sismique ou acoustique spécialement adaptées aux zones recouvertes d'eau
B63B 27/36 - Aménagement des équipements de bord pour l'embarquement ou le débarquement des cargaisons ou des passagers pour les cargaisons flottantes
B63B 27/16 - Aménagement des équipements de bord pour l'embarquement ou le débarquement des cargaisons ou des passagers des ascenseurs ou appareils de levage
A seismic source for generating seismic waves under water includes an operating head having an operating chamber, a cushion chamber, and discharge ports, a firing chamber attached to the operating head, the firing chamber configured to hold compressed air to be discharged through the discharge ports, and a shuttle assembly having a shaft located within the operating head and configured to prevent the compressed air in the firing chamber to enter the discharge ports when in a close state, and to allow the compressed air in the firing chamber to be discharged through the discharge ports when in an open state. The shaft of the shuttle assembly which extends in both the operating chamber and the cushion chamber, has a channel having a varying depth.
G01V 1/137 - Production d'énergie sismique en utilisant des fluides comme moyens d'entraînement hydrauliques, p. ex. en utilisant des fluides à haute pression dont les fluides s'échappent du générateur d'une manière pulsée, p. ex. pour produire des explosions
G01V 1/143 - Production d'énergie sismique en utilisant des moyens d'entraînement mécaniques
A seismic source for generating seismic waves under water includes an operating head having an operating chamber, a cushion chamber, and discharge ports, a firing chamber attached to the operating head, the firing chamber configured to hold compressed air to be discharged through the discharge ports, and a shuttle assembly having a shaft located within the operating head and configured to prevent the compressed air in the firing chamber to enter the discharge ports when in a close state, and to allow the compressed air in the firing chamber to be discharged through the discharge ports when in an open state. The shaft of the shuttle assembly which extends in both the operating chamber and the cushion chamber, has a channel having a varying depth.
G01V 1/133 - Production d'énergie sismique en utilisant des fluides comme moyens d'entraînement hydrauliques, p. ex. en utilisant des fluides à haute pression
G01V 1/137 - Production d'énergie sismique en utilisant des fluides comme moyens d'entraînement hydrauliques, p. ex. en utilisant des fluides à haute pression dont les fluides s'échappent du générateur d'une manière pulsée, p. ex. pour produire des explosions
G01V 1/143 - Production d'énergie sismique en utilisant des moyens d'entraînement mécaniques
28.
METHOD FOR STEERING A VESSEL, RELATED NAVIGATION SYSTEM AND METHOD FOR SEISMIC DATA ACQUISITION
A method for steering a vessel (6) towing a streamer (7) or a streamer spread. The method comprises acquiring or determining a desired trajectory (PPL) for at least one point (CS7) of the streamer (7) or of the streamer spread; acquiring or determining water current values; modelling a plurality of trajectories for the streamer (7) or the streamer spread according to a plurality of given courses for the vessel and said water current values; determining a target course (T6) for the vessel (6) in function of said plurality of modelled trajectories for the streamer (7) or the streamer spread, and in function of said desired trajectory (PPL) of said at least one point (CS7) of the streamer (7) or of the streamer spread, so that the position (TCS7) of said at least one point (CS7) of the streamer (7) or of the streamer spread, that results from the determined target course (T6) of the vessel (6), follows said desired trajectory (PPL) or follows a trajectory that is included in a predefined width corridor that contains said desired trajectory (PPL); and steering the vessel (6) according to the determined target course (T6). It is also proposed a related computer program, navigation system and method for seismic data acquisition.
A method for seismic exploration of a subsurface formation with a seismic survey system includes directly receiving a message, at a first fleet of seismic sources, from a second fleet; storing the message at the first fleet; verifying one or more constraints related to the first and second fleets, at the first fleet; initiating a triggering sequence of the seismic sources of the first fleet, upon verification of the one or more constraints, with no input from a central unit of the seismic survey system; and performing a sweep based on the triggering sequence.
A method for seismic exploration of a subsurface formation with a seismic survey system includes directly receiving a message, at a first fleet of seismic sources, from a second fleet; storing the message at the first fleet; verifying one or more constraints related to the first and second fleets, at the first fleet; initiating a triggering sequence of the seismic sources of the first fleet, upon verification of the one or more constraints, with no input from a central unit of the seismic survey system; and performing a sweep based on the triggering sequence.
G01V 1/00 - SéismologieProspection ou détection sismique ou acoustique
G05D 1/00 - Commande de la position, du cap, de l'altitude ou de l'attitude des véhicules terrestres, aquatiques, aériens ou spatiaux, p. ex. utilisant des pilotes automatiques
G05D 1/02 - Commande de la position ou du cap par référence à un système à deux dimensions
31.
METHOD AND DEVICE FOR REDUCING BUCKING OF PNEUMATIC SEISMIC SOURCES
An air gun for generating seismic waves in a marine environment includes a cylindrical body configured to hold compressed air and having plural air ports for releasing the compressed air from inside the cylindrical body, the cylindrical body extending along a longitudinal axis X, and an extension member attached externally to the body and extending along a radial axis R, which is perpendicular to the longitudinal axis X. The extension member promotes ambient water flowing inside an air bubble generated when the compressed air is released outside the body.
G01V 1/137 - Production d'énergie sismique en utilisant des fluides comme moyens d'entraînement hydrauliques, p. ex. en utilisant des fluides à haute pression dont les fluides s'échappent du générateur d'une manière pulsée, p. ex. pour produire des explosions
32.
Method and device for reducing bucking of pneumatic seismic sources
An air gun for generating seismic waves in a marine environment includes a cylindrical body configured to hold compressed air and having plural air ports for releasing the compressed air from inside the cylindrical body, the cylindrical body extending along a longitudinal axis X, and an extension member attached externally to the body and extending along a radial axis R, which is perpendicular to the longitudinal axis X. The extension member promotes ambient water flowing inside an air bubble generated when the compressed air is released outside the body.
G01V 1/137 - Production d'énergie sismique en utilisant des fluides comme moyens d'entraînement hydrauliques, p. ex. en utilisant des fluides à haute pression dont les fluides s'échappent du générateur d'une manière pulsée, p. ex. pour produire des explosions
G01V 1/38 - SéismologieProspection ou détection sismique ou acoustique spécialement adaptées aux zones recouvertes d'eau
G01V 1/387 - Réduction de la bulle d'impulsion secondaire, c.-à-d. réduction des signaux détectés résultant de la production et de la libération des bulles de gaz après l'explosion initiale
33.
System and method for generating and collecting vibration data with a view to monitoring a structure
The invention relates to a system for generating and collecting data with a view to determining the state of a structure (100). The system comprises a system (1) for acquiring vibration signals and a communication gateway system (2, 2′) configured to receive a signal (TL21, TL21rvl) from the gateway system (2, 2′), using a first protocol, and when the signal (TL21rvl) comprises a wake-up instruction, send the gateway system (2, 2′) an activity instruction request signal (TW12) using a second protocol, receive, from the gateway system (2, 2′), using the second protocol, an activity instruction signal (TW21) comprising an acquisition instruction, trigger a vibration signal acquisition operation and generate vibration data (Dvib) on the basis of the vibration signals acquired; and transmit, using the second protocol, the vibration data (Dvib) to the gateway system (2, 2′). The invention also relates to the acquisition system and to the corresponding gateway system, and to a corresponding method.
H04L 67/025 - Protocoles basés sur la technologie du Web, p. ex. protocole de transfert hypertexte [HTTP] pour la commande à distance ou la surveillance à distance des applications
H04L 67/12 - Protocoles spécialement adaptés aux environnements propriétaires ou de mise en réseau pour un usage spécial, p. ex. les réseaux médicaux, les réseaux de capteurs, les réseaux dans les véhicules ou les réseaux de mesure à distance
H04L 69/08 - Protocoles d’interopérabilitéConversion de protocole
H04W 80/00 - Protocoles de réseaux sans fil ou adaptations de protocoles à un fonctionnement sans fil
H04W 4/38 - Services spécialement adaptés à des environnements, à des situations ou à des fins spécifiques pour la collecte d’informations de capteurs
H04W 84/18 - Réseaux auto-organisés, p. ex. réseaux ad hoc ou réseaux de détection
34.
Velocity estimation of spatial aliased coherent noises propagating along a plurality of sensors
The invention relates to a method for monitoring the physical state of a longitudinal element (10) of a railway-type rail, the method comprising: - a step of detecting mechanical waves moving along the longitudinal element (10), in particular due to the passing of a train, by means of an array (14) of mechanical wave sensors placed along and in contact with the longitudinal element, the array (14) comprising at least one first pair (A) of sensors (1, 2) each positioned at one end of a first portion (10a) of the longitudinal element (10), and - a step of processing the signals emitted by the sensors (1, 2) in the array (12) of sensors, the processing step comprising the determination of at least one first interfered signal determined from signals provided by the sensors (1, 2) in the first pair (A) of sensors over a first predetermined period of time.
G01H 1/12 - Mesure des vibrations dans des solides en utilisant la conduction directe au détecteur les vibrations étant longitudinales ou non spécifiées
B61L 23/04 - Dispositifs de commande, d'avertissement ou autres dispositifs de sécurité le long de la voie ou entre les véhicules ou les trains pour contrôler l'état mécanique de la voie
G01H 9/00 - Mesure des vibrations mécaniques ou des ondes ultrasonores, sonores ou infrasonores en utilisant des moyens sensibles aux radiations, p. ex. des moyens optiques
G01N 29/14 - Recherche ou analyse des matériaux par l'emploi d'ondes ultrasonores, sonores ou infrasonoresVisualisation de l'intérieur d'objets par transmission d'ondes ultrasonores ou sonores à travers l'objet utilisant des techniques d'émission acoustique
G01N 29/50 - Traitement du signal de réponse détecté en utilisant des techniques d'autocorrélation ou des techniques d'intercorrélation
G01V 1/36 - Exécution de corrections statiques ou dynamiques sur des enregistrements, p. ex. correction de l'étalementÉtablissement d'une corrélation entre signaux sismiquesÉlimination des effets produits par un excès d'énergie
A method is provided for planning a trajectory to be performed by a marine vessel between a first point and a second point, the trajectory having a first path and a second path. The method includes a first step (202) of computing a theoretical trajectory in a ground reference frame from the first point to the second point assuming an absence of water current, the theoretical trajectory comprising a first theoretical path and a second theoretical path. A second step (204) includes computing a second path in the ground reference frame, and a third step includes (206) computing a corrected first path in a water reference. A fourth step includes (208) computing the trajectory in the ground reference frame from the first point to the second point based on the corrected first path and the second path.
G01C 21/20 - Instruments pour effectuer des calculs de navigation
G01V 1/38 - SéismologieProspection ou détection sismique ou acoustique spécialement adaptées aux zones recouvertes d'eau
B63B 79/15 - Surveillance des caractéristiques ou des paramètres de fonctionnement des navires en opération utilisant des capteurs, p. ex. des capteurs de pression, des jauges de contrainte ou des accéléromètres pour la surveillance des variables environnementales, p. ex. de la hauteur des vagues ou des données météorologiques
A deployment device for deploying a downhole tool in a well includes a body shaped to host an internal chamber, first and second inserts having complementary shapes and configured to be placed inside the internal chamber thereby defining an internal through passage for part of the downhole tool, and first and second levers rotatably attached to the body and configured to press the first and second inserts further inside the internal chamber.
E21B 19/08 - Appareils pour faire avancer les tiges ou les câblesAppareils pour augmenter ou diminuer la pression sur l'outil de forageAppareils pour compenser le poids des tiges
A vibratory source for generating seismic signals includes a baseplate (118), and a lift and hydraulic actuator system configured to actuate the baseplate (118) to impart seismic waves into the ground. The baseplate (118) includes plural individual plates for contacting the ground.
A vibratory source for generating seismic signals includes a baseplate, and a lift and hydraulic actuator system configured to actuate the baseplate to impart seismic waves into the ground. The baseplate includes plural individual plates for contacting the ground.
A vibratory source for generating seismic signals includes a baseplate (118), and a lift and hydraulic actuator system configured to actuate the baseplate (118) to impart seismic waves into the ground. The baseplate (118) includes plural individual plates for contacting the ground.
A hybrid cable for collecting data inside a well includes an electrical cable extending along a longitudinal axis of the hybrid cable, an optical fiber extending along the longitudinal axis, an armor that extends along the longitudinal axis, and encircles the electrical cable and the optical fiber, and a connecting device extending along the longitudinal axis, to enclose the electrical cable and the optical fiber, and to be enclosed by the armor. The connecting device has an unsmooth external surface.
E21B 47/00 - Relevés dans les trous de forage ou dans les puits
E21B 49/00 - Test pour déterminer la nature des parois des trous de forageEssais de couchesProcédés ou appareils pour prélever des échantillons du terrain ou de fluides en provenance des puits, spécialement adaptés au forage du sol ou aux puits
G02B 6/44 - Structures mécaniques pour assurer la résistance à la traction et la protection externe des fibres, p. ex. câbles de transmission optique
E21B 47/12 - Moyens pour la transmission de signaux de mesure ou signaux de commande du puits vers la surface, ou de la surface vers le puits, p. ex. pour la diagraphie pendant le forage
42.
HYBRID SEISMIC DATA ACQUISITION DEVICE AND CORRESPONDING METHODS
It is proposed a seismic data acquisition device (400) intended to be placed on an ocean bottom floor, comprising a polymeric casing (412) defining a chamber that houses at least part of a data acquisition system (440, 444, 445); and a metallic device (414) in which the polymeric casing (412) is trapped, the metallic device (414) comprising two metallic beams (4141, 4142) that extend on opposite sides of the polymeric casing (412). It is also proposed a method for assembling such a device and a corresponding method for seabed seismic data acquisition.
A marine seismic data acquisition System includes a streamer spread including plural streamers; a first set of front sources configured to generate seismic waves; a streamer vessel towing the streamer spread and the first set of the front sources, in front of the streamer spread along an inline direction X; a second set of top sources configured to generate additional seismic waves; and first and second source vessels towing the second set of top sources directly above or below the streamer spread. A number NT of the top sources is larger than a number NF of the front sources.
A marine seismic data acquisition system includes a streamer spread including plural streamers; a first set of front sources configured to generate seismic waves; a streamer vessel towing the streamer spread and the first set of the front sources, in front of the streamer spread along an inline direction X; a second set of top sources configured to generate additional seismic waves; and first and second source vessels towing the second set of top sources directly above or below the streamer spread. A number NT of the top sources is larger than a number NF of the front sources.
In order to monitor the subsoil of the earth under a target zone, seismic waves coming from an identified mobile noise source are recorded by means of at least one pair of sensors disposed on either side of the target zone, time periods are selected corresponding to the alignments of the pairs of sensors with the noise source, a seismogram of the target zone is reconstructed by interferometry based on the recorded seismic waves and on the selected time periods and an image of the subsoil of the target zone is generated using the seismogram.
G01V 1/36 - Exécution de corrections statiques ou dynamiques sur des enregistrements, p. ex. correction de l'étalementÉtablissement d'une corrélation entre signaux sismiquesÉlimination des effets produits par un excès d'énergie
46.
Low frequency and ultra low frequency seismic source having multiple operating heads for marine exploration
A seismic source having two or more operating heads with a firing chamber pressure vessel of compressed air for generating seismic oscillations at low and ultra-low frequencies (ULF) for marine seismic exploration. The multi-headed sound source increases low frequency signal in ranges from below 1 Hz to around 7 Hz to provide greater penetration of the seismic signal through complex overburden such as salt or basalt, improve velocity model building with methods such as Full Wave Inversion, improve the ability to build blocky reservoir models, and improve resolution by reducing side lobes.
G01V 1/137 - Production d'énergie sismique en utilisant des fluides comme moyens d'entraînement hydrauliques, p. ex. en utilisant des fluides à haute pression dont les fluides s'échappent du générateur d'une manière pulsée, p. ex. pour produire des explosions
47.
Docking station for wireless seismic acquisition nodes
A docking station for receiving different types of seismic nodes, the docking station including a frame; a control module attached to the frame plural docking modules attached to the frame, wherein each docking module includes plural docking bays; a monitor attached to the frame and configured to display information about the plural docking modules; and a network connection device attached to the frame and configured to provide data transfer capabilities for each docking bay of the plural docking bays. The plural docking bays are configured to accept interchangeable ports that are compatible with the different types of seismic nodes.
G01V 1/16 - Éléments récepteurs de signaux sismiquesAménagements ou adaptations des éléments récepteurs
G01V 1/22 - Transmission des signaux sismiques aux appareils d'enregistrement ou de traitement
G06F 13/10 - Commande par programme pour dispositifs périphériques
G06F 13/38 - Transfert d'informations, p. ex. sur un bus
H01R 13/518 - Moyens pour maintenir ou envelopper un corps isolant, p. ex. boîtier pour maintenir ou envelopper plusieurs pièces de couplage, p. ex. châssis
H01R 33/06 - Dispositifs à deux pôles portant deux broches, lames ou contacts analogues conducteurs de courant ayant leurs axes parallèles entre eux
H01R 33/90 - Dispositifs de couplage spécialement conçus pour supporter un appareil et munis d'une pièce de couplage assurant la fonction de support et la connexion électrique par l'intermédiaire d'une pièce complémentaire qui est structurellement associée à l'appareil, p. ex. supports de lampesLeurs pièces détachées adaptés pour un fonctionnement avec plusieurs pièces complémentaires différentes, p. ex. douille voleuse
H02J 7/00 - Circuits pour la charge ou la dépolarisation des batteries ou pour alimenter des charges par des batteries
42 - Services scientifiques, technologiques et industriels, recherche et conception
Produits et services
Software as a service featuring software for managing oil and gas exploration; Providing on-line non-downloadable software for acquisition, survey, and exploration personnel, and consultation services therefore
49.
SYSTEM FOR DETECTING ONE OR MORE MARINE MAMMALS AND CORRESPONDING DETECTION METHOD
The invention relates to a marine craft having a hull (3) and comprising a system for detecting one or more marine mammals. The detection system comprises at least one sensor (2) for receiving acoustic signals and converting them into electric signals and an analysis system (1) configured to analyse the electric signals supplied by the at least one sensor. The at least one sensor (2) is coupled to the hull (3) on the inner side of the hull (3) to enable acoustic signals to be received through the hull (3). The invention also relates to a corresponding method.
The invention relates to a marine craft having a hull (3) and comprising a system for detecting one or more marine mammals. The detection system comprises at least one sensor (2) for receiving acoustic signals and converting them into electric signals and an analysis system (1) configured to analyse the electric signals supplied by the at least one sensor. The at least one sensor (2) is coupled to the hull (3) on the inner side of the hull (3) to enable acoustic signals to be received through the hull (3). The invention also relates to a corresponding method.
A seismic vibrator is configured to operate close to resonance for range of actuating frequencies. The vibrator has a baseplate, a reaction mass coupled to the baseplate via an elastic coupling mechanism and an actuator configured to displace the reaction mass with an actuating frequency. The vibrator also has a frequency-adjusting system configured to adjust a natural frequency of the elastic coupling mechanism and the reaction mass, to track the actuating frequency so that to achieve resonance.
G01V 1/00 - SéismologieProspection ou détection sismique ou acoustique
G01V 1/135 - Production d'énergie sismique en utilisant des fluides comme moyens d'entraînement hydrauliques, p. ex. en utilisant des fluides à haute pression déformant ou déplaçant des surfaces d'enceintes
G01V 1/155 - Production d'énergie sismique en utilisant des moyens d'entraînement mécaniques utilisant des masses en mouvement alternatif
52.
Fast power on method for marine acquisition streamer
A marine seismic streamer includes plural concentrators, plural segments interposed with the plural concentrators so that a concentrator of the plural concentrators is sandwiched between two segments of the plural segments, a first high-voltage rail HV1 that extends along the plural concentrators and the plural segments, and a second high-voltage rail HV2 that extends along the plural concentrators and the plural segments. In each given concentrator i of the plural concentrators, there is a first switch SW1 placed along one of the first high-voltage rail HV1 and the second high-voltage rail HV2, a second switch SW2 placed between the first high-voltage rail HV1 and the second high-voltage rail HV2, a first local controller implemented in hardware, and a second local controller implemented in a combination of hardware and software, and having an operating system, the first local controller being separated from the second local controller.
A marine seismic streamer (300) includes plural concentrators (302i), plural segments (310i) interposed with the plural concentrators (302i) so that a concentrator of the plural concentrators (302i) is sandwiched between two segments of the plural segments (310i), a first high-voltage rail (HV1) that extends along the plural concentrators (302i) and the plural segments (310i), and a second high- voltage rail HV2 that extends along the plural concentrators (302i) and the plural segments (310i). In each given concentrator i of the plural concentrators (302i), there is a first switch (SW1) placed along one of the first high-voltage rail (HV1) and the second high-voltage rail (HV2), a second switch (SW2) placed between the first high- voltage rail (HV1) and the second high-voltage rail (HV2), a first local controller (410) implemented in hardware, and a second local controller (420) implemented in a combination of hardware and software, and having an operating system, the first local controller being separated from the second local controller.
G01V 1/20 - Aménagements d'éléments récepteurs, p. ex. oscillogrammes géophoniques
G01V 1/38 - SéismologieProspection ou détection sismique ou acoustique spécialement adaptées aux zones recouvertes d'eau
H04B 1/74 - Détails des systèmes de transmission, non couverts par l'un des groupes Détails des systèmes de transmission non caractérisés par le milieu utilisé pour la transmission pour augmenter la fiabilité, p. ex. en utilisant des canaux ou des appareils supplémentaires ou de réserve
A seismic node for collecting seismic data, the seismic node including a base (310) configured to define a chamber (312) having an open face; a main electronic board (510) having a processor, the main electronic board being placed inside the chamber; a battery pack (530) configured to supply electrical power to the main electronic board and placed inside the chamber; and a digital cover (320) that attaches to the open side of the base to seal the chamber, and a sensor device located inside the chamber and attached to a wall of the base to form a digital field unit, or an analog cover that attaches to the open side of the base to seal the chamber, and an analog sensor electrically attached to the analog cover to form an analog field unit.
A seismic node for collecting seismic data, the seismic node including a base (310) configured to define a chamber (312) having an open face; a main electronic board (510) having a processor, the main electronic board being placed inside the chamber; a battery pack (530) configured to supply electrical power to the main electronic board and placed inside the chamber; and a digital cover (320) that attaches to the open side of the base to seal the chamber, and a sensor device located inside the chamber and attached to a wall of the base to form a digital field unit, or an analog cover that attaches to the open side of the base to seal the chamber, and an analog sensor electrically attached to the analog cover to form an analog field unit.
A multi-function acquisition device (1) comprising a connector (2) having two connection terminals (21, 22), and an electronic circuit (3) that comprises an acquisition circuit (310) configured for enabling the digital conversion of analog signals from a sensor (81), and the memorization of the digitized signals in a memory (369); a harvesting circuit (320) configured for enabling the transmission of data stored in the memory (369) to a harvesting device; a charging circuit (330) configured for enabling the charging of a battery (339) with the power provided by a powering device. A control unit (360) controls the activation of the acquisition circuit (310), the activation of the harvesting circuit (320), and the activation of the charging circuit (330).
H04Q 9/00 - Dispositions dans les systèmes de commande à distance ou de télémétrie pour appeler sélectivement une sous-station à partir d'une station principale, sous-station dans laquelle un appareil recherché est choisi pour appliquer un signal de commande ou pour obtenir des valeurs mesurées
G01V 1/00 - SéismologieProspection ou détection sismique ou acoustique
A seismic node for collecting seismic data, the seismic node including a base configured to define a chamber having an open face; a main electronic board having a processor, the main electronic board being placed inside the chamber; a battery pack configured to supply electrical power to the main electronic board and placed inside the chamber; and a digital cover that attaches to the open side of the base to seal the chamber, and a sensor device located inside the chamber and attached to a wall of the base to form a digital field unit, or an analog cover that attaches to the open side of the base to seal the chamber, and an analog sensor electrically attached to the analog cover to form an analog field unit.
G01S 1/22 - Systèmes pour déterminer une direction ou une ligne de position en comparant les temps de transit de signaux synchronisés provenant d'antennes non directionnelles ou de systèmes d'antennes séparés, c.-à-d. systèmes à différence de parcours les signaux synchronisés étant des modulations de fréquence des ondes porteuses et les temps de transit étant comparés en mesurant la différence des fréquences instantanées des ondes porteuses à la réception
G01V 1/22 - Transmission des signaux sismiques aux appareils d'enregistrement ou de traitement
G01V 1/16 - Éléments récepteurs de signaux sismiquesAménagements ou adaptations des éléments récepteurs
G01V 1/18 - Éléments récepteurs, p. ex. sismomètre, géophone
58.
Multi-function acquisition device and operating method
A multi-function acquisition device comprising a connector having two connection terminals, and an electronic circuit that comprises an acquisition circuit configured for enabling the digital conversion of analogic signals from a sensor, and the memorization of the digitized signals in a memory; a harvesting circuit configured for enabling the transmission of data stored in the memory to a harvesting device; a charging circuit configured for enabling the charging of a battery with the power provided by a powering device. A control unit controls the activation of the acquisition circuit, the activation of the harvesting circuit, and the activation of the charging circuit.
A docking station for receiving different types of seismic nodes, the docking station including a frame; a control module attached to the frame plural docking modules attached to the frame, wherein each docking module includes plural docking bays; a monitor attached to the frame and configured to display information about the plural docking modules; and a network connection device attached to the frame and configured to provide data transfer capabilities for each docking bay of the plural docking bays. The plural docking bays are configured to accept interchangeable ports that are compatible with the different types of seismic nodes.
G06F 13/28 - Gestion de demandes d'interconnexion ou de transfert pour l'accès au bus d'entrée/sortie utilisant le transfert par rafale, p. ex. acces direct à la mémoire, vol de cycle
G01V 1/16 - Éléments récepteurs de signaux sismiquesAménagements ou adaptations des éléments récepteurs
H01R 33/06 - Dispositifs à deux pôles portant deux broches, lames ou contacts analogues conducteurs de courant ayant leurs axes parallèles entre eux
H01R 33/90 - Dispositifs de couplage spécialement conçus pour supporter un appareil et munis d'une pièce de couplage assurant la fonction de support et la connexion électrique par l'intermédiaire d'une pièce complémentaire qui est structurellement associée à l'appareil, p. ex. supports de lampesLeurs pièces détachées adaptés pour un fonctionnement avec plusieurs pièces complémentaires différentes, p. ex. douille voleuse
H01R 13/518 - Moyens pour maintenir ou envelopper un corps isolant, p. ex. boîtier pour maintenir ou envelopper plusieurs pièces de couplage, p. ex. châssis
H02J 7/00 - Circuits pour la charge ou la dépolarisation des batteries ou pour alimenter des charges par des batteries
G01V 1/22 - Transmission des signaux sismiques aux appareils d'enregistrement ou de traitement
G06F 13/10 - Commande par programme pour dispositifs périphériques
G06F 13/38 - Transfert d'informations, p. ex. sur un bus
A docking station (1000) for receiving different types of seismic nodes, the docking station including a frame; a control module (1030) attached to the frame; plural docking modules (1050) attached to the frame, wherein each docking module includes plural docking bays; a monitor attached to the frame and configured to display information about the plural docking modules; and a network connection device (1020) attached to the frame and configured to provide data transfer capabilities for each docking bay of the plural docking bays. The plural docking bays are configured to accept interchangeable ports that are compatible with the different types of seismic nodes.
A multi-function acquisition device (1) comprising a connector (2) having two connection terminals (21, 22), and an electronic circuit (3) that comprises an acquisition circuit (310) configured for enabling the digital conversion of analog signals from a sensor (81), and the memorization of the digitized signals in a memory (369); a harvesting circuit (320) configured for enabling the transmission of data stored in the memory (369) to a harvesting device; a charging circuit (330) configured for enabling the charging of a battery (339) with the power provided by a powering device. A control unit (360) controls the activation of the acquisition circuit (310), the activation of the harvesting circuit (320), and the activation of the charging circuit (330).
H04Q 9/00 - Dispositions dans les systèmes de commande à distance ou de télémétrie pour appeler sélectivement une sous-station à partir d'une station principale, sous-station dans laquelle un appareil recherché est choisi pour appliquer un signal de commande ou pour obtenir des valeurs mesurées
G01V 1/00 - SéismologieProspection ou détection sismique ou acoustique
An ocean bottom node for collecting seismic data, the ocean bottom node including a compounded housing including an electronics housing and a pinger housing, electronics located inside the electronics housing, and a battery pack configured to supply electrical power to the electronics. The pinger housing is permanently open to an ambient water while the electronics housing is sealed from the ambient water, and the pinger housing is configured to selectively and directly attach to the electronics housing.
An ocean bottom node (200) for collecting seismic data, the ocean bottom node (200) including a compounded housing (202) including an electronics housing (402) and a pinger housing (408), electronics located inside the electronics housing (402), and a battery pack (420) configured to supply electrical power to the electronics. The pinger housing (408) is permanently open to an ambient water while the electronics housing (402) is sealed from the ambient water, and the pinger housing (408) is configured to selectively and directly attach to the electronics housing (402).
It is proposed a positioning assistance system for a vibrator truck, that is configured to determine a vibration point distance between the vibrator truck and the vibration point location; determine a stopping distance for stopping the vibrator truck at a vibration point location, according to a determined current speed of the vibrator truck and according to a speed profile; determine a time for stopping the vibrator truck at the vibration point location according to the current speed of the vibrator truck, when the stopping distance corresponds to said vibration point distance; and trigger the lifting down of the baseplate of the vibratory system, when at least the following condition is met: said stopping time is inferior or equal to a time for lifting down the vibratory system to the ground. Corresponding vibrator truck and method are also proposed.
G05D 1/00 - Commande de la position, du cap, de l'altitude ou de l'attitude des véhicules terrestres, aquatiques, aériens ou spatiaux, p. ex. utilisant des pilotes automatiques
G05D 1/02 - Commande de la position ou du cap par référence à un système à deux dimensions
B60W 10/04 - Commande conjuguée de sous-ensembles de véhicule, de fonction ou de type différents comprenant la commande des ensembles de propulsion
B60W 10/18 - Commande conjuguée de sous-ensembles de véhicule, de fonction ou de type différents comprenant la commande des systèmes de freinage
G01V 1/00 - SéismologieProspection ou détection sismique ou acoustique
G01V 1/09 - Dispositions pour le transport, p. ex. sur des véhicules
A hybrid sensing apparatus for collecting data inside a well, the apparatus including an optical cable that acquires a first set of data; and an array of discrete probes connected to each other with an electrical cable. The discrete probes are configured to acquire a second set of data. The apparatus further includes an attachment system attached to the discrete probes and configured to hold the optical cable. The attachment system is configured to expose the optical cable to directly contact the well.
G01V 1/18 - Éléments récepteurs, p. ex. sismomètre, géophone
E21B 47/135 - Moyens pour la transmission de signaux de mesure ou signaux de commande du puits vers la surface, ou de la surface vers le puits, p. ex. pour la diagraphie pendant le forage par énergie électromagnétique, p. ex. gammes de fréquence radio utilisant des ondes lumineuses, p. ex. ondes infrarouges ou ultraviolettes
G01V 1/42 - SéismologieProspection ou détection sismique ou acoustique spécialement adaptées au carottage en utilisant des générateurs dans un puits et des récepteurs dans un autre endroit ou vice versa
G01V 1/44 - SéismologieProspection ou détection sismique ou acoustique spécialement adaptées au carottage en utilisant des générateurs et des récepteurs situés dans le même puits
A retriever system (1) for retrieving a marine equipment. The retriever system comprises a hollow body (100) having a first opening (111), a cap adapted to close the first opening of the hollow body and adapted to be removed. A buoyancy assembly (2) housed in the hollow body and adapted to exit the hollow body when the cap (18) is removed. A linkage system (19) maintains the buoyancy assembly linked to the hollow body of the retriever system. The buoyancy assembly comprises first inflatable element (3) and a second inflatable element (4), and an inflating system (5) configured to, when activated, inflate the first inflatable element, so as to enable exiting of at least the second inflatable element of the buoyancy assembly out of the hollow body. Said inflating system is configured to start or to continue inflating the second inflatable element when said second inflatable element is out of the hollow body.
B63B 22/12 - Dispositifs d'ancrage comportant des moyens pour larguer ou pousser à la surface une bouée immergée, p. ex. pour marquer l'emplacement d'objets coulés le retour à la surface de la bouée étant facilité par libération ou production d'un gaz en état d'immersion de la bouée
B63C 7/10 - Renflouement de navires désemparés, échoués ou coulésRécupération d'éléments de navires ou d'ameublements, p. ex. de coffres fortsRécupération d'autres objets immergés dans lequel l'action de relevage a sa source dans ou en dehors du navire ou de l'objet avec emploi de flotteurs gonflables extérieurs au navire ou à l'objet
G01V 1/38 - SéismologieProspection ou détection sismique ou acoustique spécialement adaptées aux zones recouvertes d'eau
G01V 1/20 - Aménagements d'éléments récepteurs, p. ex. oscillogrammes géophoniques
67.
METHOD FOR PLANNING A TRAJECTORY IN PRESENCE OF WATER CURRENT
The invention relates to a method for planning a trajectory to be performed by a marine vessel between a first point and a second point, the trajectory comprising a first path and a second path, the method comprising: - a first step (202) of computing a theoretical trajectory in a ground reference frame from said first point to said second point assuming an absence of water current, the theoretical trajectory comprising a first theoretical path and a second theoretical path, - a second step (204) of computing a second path in the ground reference frame, - a third step (206) of computing a corrected first path in a water reference, and - a fourth step (208) of computing the trajectory in the ground reference frame from said first point to said second point based on said corrected first path and said second path.
A method for configuring a multi-source and a hexa-source for acquiring first and second seismic datasets of a subsurface. The method includes selecting a number n of source arrays to create the multi-source; selecting a number m of sub-arrays for each source array, each sub-array having a plurality of source elements; imposing a distance D between any two adjacent source arrays of the multi-source; calculating a distance d between any two adjacent sub-arrays of a same source array so that bins associated with the first and second seismic datasets are interleaved; selecting source elements from at least six different sub-arrays of the n source arrays to create the hexa-source; and firing the multi-source to acquire the first dataset, and firing the hexa-source to acquire the second dataset.
A cleaning device (200, 300) for cleaning a streamer includes a frame (202); a crawling mechanism (210) having a first clamping device (212) fixedly attached to the frame (202) and a second clamping device (214) slidably attached to the frame (202); a sensing device (220) attached to the crawling mechanism (210) and configured to determine an object (902) externally attached to the streamer (201); an actuation mechanism (240) configured to slide the second clamping device (214) relative to the first clamping device (212); and a control unit (230) configured to control the actuation mechanism (240) and the sensing device (220).
G01V 1/36 - Exécution de corrections statiques ou dynamiques sur des enregistrements, p. ex. correction de l'étalementÉtablissement d'une corrélation entre signaux sismiquesÉlimination des effets produits par un excès d'énergie
G01V 1/38 - SéismologieProspection ou détection sismique ou acoustique spécialement adaptées aux zones recouvertes d'eau
71.
Retriever system for a marine equipment and method
A retriever system for retrieving a marine equipment. The retriever system comprises a hollow body having a first opening, a cap adapted to close the first opening of the hollow body and adapted to be removed. A buoyancy assembly housed in the hollow body and adapted to exit the hollow body when the cap is removed. A linkage system maintains the buoyancy assembly linked to the hollow body of the retriever system. The buoyancy assembly comprises first inflatable element and a second inflatable element, and an inflating system configured to, when activated, inflate the first inflatable element, so as to enable exiting of at least the second inflatable element of the buoyancy assembly out of the hollow body. Said inflating system is configured to start or to continue inflating the second inflatable element when said second inflatable element is out of the hollow body.
B63B 22/12 - Dispositifs d'ancrage comportant des moyens pour larguer ou pousser à la surface une bouée immergée, p. ex. pour marquer l'emplacement d'objets coulés le retour à la surface de la bouée étant facilité par libération ou production d'un gaz en état d'immersion de la bouée
In order to monitor the subsoil of the earth under a target zone (3), seismic waves from an identified mobile noise source (24) are recorded by means of at least one pair of sensors (22) arranged on either side of the target zone (3), time periods corresponding to the alignments of the pairs of sensors (22) with the noise source (24) are selected, a seismogram of the target zone (3) is reconstructed by interferometry from the seismic waves recorded and the selected time periods, and an image of the subsoil of the target zone (3) is generated from the seismogram.
G01V 1/36 - Exécution de corrections statiques ou dynamiques sur des enregistrements, p. ex. correction de l'étalementÉtablissement d'une corrélation entre signaux sismiquesÉlimination des effets produits par un excès d'énergie
73.
METHOD AND DEVICE FOR MONITORING THE SUBSOIL OF THE EARTH UNDER A TARGET ZONE
In order to monitor the subsoil of the earth under a target zone (3), seismic waves from an identified mobile noise source (24) are recorded by means of at least one pair of sensors (22) arranged on either side of the target zone (3), time periods corresponding to the alignments of the pairs of sensors (22) with the noise source (24) are selected, a seismogram of the target zone (3) is reconstructed by interferometry from the seismic waves recorded and the selected time periods, and an image of the subsoil of the target zone (3) is generated from the seismogram.
G01V 1/36 - Exécution de corrections statiques ou dynamiques sur des enregistrements, p. ex. correction de l'étalementÉtablissement d'une corrélation entre signaux sismiquesÉlimination des effets produits par un excès d'énergie
74.
METHOD AND SYSTEM FOR SEISMIC DATA ACQUISITION WITH FRONT AND TOP SOURCES
A seismic data acquisition system (400) includes a streamer spread (304) including plural streamers (306) that extend along an inline direction X; a set of front sources (308A, 308B) that are positioned ahead of the streamer spread (3069 along the inline direction X; and a set of top sources (322A, 322B, 322C) that are positioned on top of the streamer spread (306), along a horizontal direction that is perpendicular to the inline direction X. A characteristic of the set of front sources (308A, 308B) is different from a characteristic of the set of top sources (322A, 322B, 322C), and bins corresponding to collected seismic data from each source set are interleaved.
The method for estimating the drift over time of a physical operating parameter of a clock for dating seismic data samples associated with a seismic data collection node involves measuring (10) at least one quantity associated with the clock, at predetermined instants or during predetermined time periods, and applying (12), to this quantity, a predetermined non-linear law of variation of this quantity that depends on the values collected during the measurement step (10), so as to obtain an estimation of the drift over time of the physical operating parameter.
A section of a streamer for acoustic marine data collection, the section having a carrier for accommodating seismic sensors, wherein the carrier includes, a single body, a first particle motion sensor located on the single body, and a second particle motion sensor being located on the single body, with a 90° angular offset, about a longitudinal axis of the carrier, relative to the first particle motion sensor; and a tilt sensor coupled to the carrier and having a known direction relative to the first and second particle motion sensors so that the tilt sensor determines an angle of tilt of the carrier about a vertical. The first and second particle motion sensors measure a motion related parameter and not a pressure.
n; and detecting (160) a seismic event when the average exceeds a predefined threshold value. The invention also provides a corresponding detection system.
Method and streamer connecting module for connecting streamer sections to each other. The streamer connecting module includes a housing extending along a longitudinal axis (L) so that first and second ends are opposite to each other; a first streamer connecting part fixedly attached at the first end of the housing; a second streamer connecting part fixedly attached at the second end of the housing; first plural balls located between the first streamer connecting part and the first end of the housing; and a first conduit formed at an interface between the first streamer connecting part and the first end of the housing for accommodating the first plural balls.
B63B 21/66 - Équipements spécialement adaptés au remorquage sous l'eau des objets ou des navires, p. ex. carénages hydrodynamiques pour câbles de remorquage
G01V 1/38 - SéismologieProspection ou détection sismique ou acoustique spécialement adaptées aux zones recouvertes d'eau
A seismic source using tuned pulse sources to form an ultra-low frequency (ULF) cluster intended for use in generating seismic energy impulses for marine seismic exploration and more specifically to improved performance by increasing low frequency output to within a range of 1 Hz to 3 Hz to provide greater penetration of the seismic signal through complex overburden such as salt or basalt.
G01V 1/137 - Production d'énergie sismique en utilisant des fluides comme moyens d'entraînement hydrauliques, p. ex. en utilisant des fluides à haute pression dont les fluides s'échappent du générateur d'une manière pulsée, p. ex. pour produire des explosions
G01V 1/38 - SéismologieProspection ou détection sismique ou acoustique spécialement adaptées aux zones recouvertes d'eau
80.
Seismic data tilt angle correction method and system for multisensor streamer
t axis is part of a second local orthogonal system of coordinates attached to the gravity sensing sensor; and correcting the raw seismic data by rotating the raw seismic data, recorded in the first local orthogonal system of coordinates, with the angle β(t), to obtain corrected seismic data in the global orthogonal system of coordinates. The first and second local system of coordinates share a same X axis but the other two axes of each of the first and second local systems are offset from each other by angle θ(t) while the streamer moves in water and records the raw seismic data and the vibrational data. The global orthogonal system of coordinates share the same X axis with the first and second local systems, and the global orthogonal system is fixed to the earth while the first and second local systems rotate with the streamer.
G01V 1/36 - Exécution de corrections statiques ou dynamiques sur des enregistrements, p. ex. correction de l'étalementÉtablissement d'une corrélation entre signaux sismiquesÉlimination des effets produits par un excès d'énergie
G01V 1/38 - SéismologieProspection ou détection sismique ou acoustique spécialement adaptées aux zones recouvertes d'eau
Method and flush module for connecting streamer sections to an external device. The flush module includes a housing; a first end connector attached to the housing and configured to connect to a first element of the streamer spread; a second end connector attached to the housing and configured to connect to a second element of the streamer spread; and an external connector attached to the housing and configured to connect to a third element of the streamer spread. The external connector is configured to pivot between (a) a close position during which the external connector is entirely located within the housing, and (b) an open position during which a distal end of the external connector is located outside the housing.
Memory gauge and method for processing recorded raw data acquired with a memory gauge in a well. The method includes selecting a first calibration table (C1), of the memory gauge, that has a highest calibration value for the measured parameter; performing a first analysis of the recorded raw data using the first calibration table (C1) to determine a highest measured value of the measured parameter; comparing the highest measured value of the measured parameter with highest calibration values of the plural calibration tables of the memory gauge; and when a highest calibration value of a second calibration table is closer to the highest measured value of the measured parameter than the highest calibration value of the first calibration table, selecting the second calibration table (C2); and performing a second analysis of the recorded raw data using the second calibration table (C2) to generate measured values of the measured parameter.
A low-vibration collar system for vibration mitigation in a device towed in water. The low-vibration collar system includes a clamp attached to a streamer towed underwater by a seismic vessel, the streamer comprising a plurality of sensors to record seismic data; a collar configured to be attached to the clamp; a connecting mechanism located on the collar and configured to attach an ancillary device to the collar; and a vibration mitigation system configured to attenuate an amplitude of a vibration produced by the ancillary device. The vibration interferes with seismic data recorded by seismic sensors located on the streamer.
G01D 11/10 - Éléments pour amortir le mouvement des pièces
F16F 15/08 - Suppression des vibrations dans les systèmes non rotatifs, p. ex. dans des systèmes alternatifsSuppression des vibrations dans les systèmes rotatifs par l'utilisation d'organes ne se déplaçant pas avec le système rotatif utilisant des moyens élastiques avec ressorts en caoutchouc
G01V 1/38 - SéismologieProspection ou détection sismique ou acoustique spécialement adaptées aux zones recouvertes d'eau
F16F 3/087 - Ensembles comprenant plusieurs ressorts en matière plastique ou similaire
F16F 3/093 - Ensembles comprenant plusieurs ressorts en matière plastique ou similaire les ressorts étant faits de matériaux différents, p. ex. avec différents types de caoutchouc
G01V 1/20 - Aménagements d'éléments récepteurs, p. ex. oscillogrammes géophoniques
85.
VIBRATION DAMPING OF AN ANCILLARY DEVICE ATTACHED TO A MARINE STREAMER AND METHOD
A low-vibration collar system for vibration mitigation in a device towed in s water. The low-vibration collar system includes a clamp attached to a streamer towed underwater by a seismic vessel, the streamer comprising a plurality of sensors to record seismic data; a collar configured to be attached to the clamp a connecting mechanism located on the collar and configured to attach an ancillary device to the collar; and a vibration mitigation system configured to attenuate an amplitude of a vibration produced by the ancillary device. The vibration interferes with seismic data recorded by seismic sensors located on the streamer.
09 - Appareils et instruments scientifiques et électriques
42 - Services scientifiques, technologiques et industriels, recherche et conception
Produits et services
Scientific research apparatus and instruments, namely, seismic detectors, radar detectors, motion detectors, seismic exploration machines and apparatus for the detection of underwater animals and/ or sea animals and/ or for geophysical and seismic surveying and/ or for vocalization detection, namely, passive acoustic monitoring systems; scientific and electronic apparatus and instruments, namely, electrical and optical cables, sets of electric sensors for sensing seismic waves, optical sensors for sensing seismic waves, electronic systems comprised of geophysics and seismic detection and vocalization detection software, a casing to house the systems, electric and optical cables and electric and optical sensors for sensing seismic waves, all sold as a unit; passive acoustic monitoring systems comprised of acoustic wave sensors for sensing and detection of seismic waves and vocalizations; recorders, namely, electronic data recorders, and electrical and optical cables; devices for processing and displaying recorded signals, namely, liquid crystal display (LCD) monitors; computer software for the interpretation and analysis of recorded signals scientific research services, namely, underwater exploration, service relating to the processing, acquisition, interpretation of geophysical data for underwater exploration; Scientific research services relating to the detection of underwater animals; Scientific research services relating to the detection of sea mammals; consultancy services relating to scientific research in the field of underwater exploration; consultancy services relating to scientific research in the field of detection of underwater animals; consultancy services relating to scientific research in the field of detection of sea mammals
87.
Apparatus and method for vibration mitigation with dynamic vibration absorber
Method and dynamic vibration absorber device for reducing a resonant frequency of a node to which the dynamic vibration absorber device is attached to. The dynamic vibration absorber device includes a housing configured to be attached to the node; an absorber mass located inside the housing; and first and second diaphragms attached to the housing and configured to suspend the absorber mass inside the housing. The dynamic vibration absorber device changes a resonant frequency of the node to two smaller vibration peaks.
G01V 1/20 - Aménagements d'éléments récepteurs, p. ex. oscillogrammes géophoniques
F16F 15/02 - Suppression des vibrations dans les systèmes non rotatifs, p. ex. dans des systèmes alternatifsSuppression des vibrations dans les systèmes rotatifs par l'utilisation d'organes ne se déplaçant pas avec le système rotatif
B63B 21/66 - Équipements spécialement adaptés au remorquage sous l'eau des objets ou des navires, p. ex. carénages hydrodynamiques pour câbles de remorquage
The invention relates to a method for detecting seismic events, which comprises acquiring (110) a digital signal x characteristic of a signal measured by at least one seismic sensor; and calculating (130) a time-frequency distribution of at least one slice of a given duration of said signal, in a given frequency band. For each frequency of said frequency band, the calculated time-frequency distribution is normalised. The method also comprises calculating (150) the moving average of the normalised time-frequency distribution ZD, in said frequency band and in a time window, denoted L, centred on the time n; and detecting (160) a seismic event when the average passes above a predefined threshold value. The invention also relates to a corresponding detecting system.
A method for calculating a tension (T) in a towed antenna. The method includes towing the antenna in water, wherein the antenna includes plural particle motion sensors distributed along the antenna; measuring with the plural particle motion sensors vibrations that propagate along the antenna; calculating a value of a phase velocity (vp) of the vibrations that propagate along the antenna based on (1) an offset between two particle motion sensors and (2) a time delay of the vibrations that propagate from one of the two particle motion sensors to another one of the two particle motion sensors; selecting a relation that links the phase velocity (vp) to the tension (T); and using the value of the phase velocity and the relation to determine the tension (T) at various locations of the plural particle motion sensors along the antenna.
Method, source and shuttle configured to generate acoustic waves under water. The seismic source includes a housing; a movable shuttle located inside the housing and configured to move between a closed position and an open position along a longitudinal axis X of the housing; a compensator block located inside the housing and configured to move along the longitudinal axis X; a first static seal system configured to seal a first interface between the housing and the movable shuttle in the closed position; and a second static seal system configured to seal a second interface between the movable shuttle and the compensator block in the closed position.
G01V 1/137 - Production d'énergie sismique en utilisant des fluides comme moyens d'entraînement hydrauliques, p. ex. en utilisant des fluides à haute pression dont les fluides s'échappent du générateur d'une manière pulsée, p. ex. pour produire des explosions
91.
Compensator block for marine seismic source and method
Method, source and shuttle configured to generate acoustic waves under water. The seismic source includes a housing; a movable shuttle located inside the housing and configured to move between a closed position and an open position along a longitudinal axis X of the housing; a compensator block located inside the housing and configured to move along the longitudinal axis X; a first static seal system configured to seal a first interface between the housing and the movable shuttle in the closed position; and a second static seal system configured to seal a second interface between the movable shuttle and the compensator block in the closed position.
G01V 1/137 - Production d'énergie sismique en utilisant des fluides comme moyens d'entraînement hydrauliques, p. ex. en utilisant des fluides à haute pression dont les fluides s'échappent du générateur d'une manière pulsée, p. ex. pour produire des explosions
92.
Dual axis geophones for pressure/velocity sensing streamers forming a triple component streamer
A section of a streamer for acoustic marine data collection, the section comprising a carrier for accommodating seismic sensors, wherein the carrier includes, a single body, a first particle motion sensor located on the single body, and a second particle motion sensor being located on the single body, with a 90° angular offset, about a longitudinal axis of the carrier, relative to the first particle motion sensor; and a tilt sensor coupled to the carrier and having a known direction relative to the first and second particle motion sensors so that the tilt sensor determines an angle of tilt of the carrier about a vertical, wherein the first and second particle motion sensors measure a motion related parameter and not a pressure.
allocation to each router node of said subnet of a subnet identifier.
Configuration of the subnet, achieved by the subnet master with its allocated subnet identifier, is refreshed regularly, in particular when detecting a change in the configuration of the network.
H04L 12/24 - Dispositions pour la maintenance ou la gestion
H04L 29/12 - Dispositions, appareils, circuits ou systèmes non couverts par un seul des groupes caractérisés par le terminal de données
H04L 12/751 - Mise à jour ou découverte de la topologie
G01V 1/00 - SéismologieProspection ou détection sismique ou acoustique
H04W 40/24 - Gestion d'informations sur la connectabilité, p. ex. exploration de connectabilité ou mise à jour de connectabilité
95.
Method for localizing a marine mammal in an underwater environment implemented by a PAM system, corresponding device, computer program product and non-transitory computer-readable carrier medium
A method for localizing a marine animal in an underwater environment implemented by a passive acoustic monitoring (PAM) system. The passive acoustic monitoring system includes network of acoustic sensors adapted to carry out measurements of acoustic signals. The method includes: obtaining, from the network of acoustic sensors, measured data of an acoustic signal emitted by a marine animal; defining a space of dimensional representation of the underwater environment discretized in a plurality of predefined cells, for each cell of a predefined set, obtaining an error defined as a value of a cost function for the cell, the cost function giving a deviation between: at least some of the measured data; and corresponding theoretical data obtained by assuming the marine animal is located in the cell, the errors obtained for the predefined set of cells enabling to obtain at least one piece of information about localization of the marine animal.
A system and method for adjusting a clock signal of a seismic data acquisition system. The system includes a data acquisition device having an oscillator that generates a clock signal; a clock adjustment module that receives a time reference signal and the clock signal and outputs an adjusted sampling clock signal; and an analog-to-digital converter configured to transform analog data into digital data having a sampling rate (FDATA). A sampling frequency (fADc) of the analog-to-digital converter is selected to be at least twice the sampling rate (FDATA).
A system and method for adjusting a clock signal of a seismic data acquisition system. The system includes a data acquisition device having an oscillator that generates a clock signal; a clock adjustment module that receives a time reference signal and the clock signal and outputs an adjusted sampling clock signal; and an analog-to-digital converter configured to transform analog data into digital data having a sampling rate (FDATA). A sampling frequency (fADc) of the analog-to-digital converter is selected to be at least twice the sampling rate (FDATA).
There is provided a method for electing a master routing node of a given subnet of a network, comprising: determining (71) a first-type address associated with an interface of each node on the given subnet, and being the address given by a routing table of the next hop (router node or target node) on the path leading from the node to a target node; determining (72) a second-type address associated with the interface of each node on the given subnet, and being either the determined first-type address (if the latter is on the given subnet) or the address of the interface of the node on the given subnet (if the determined first-type address is on another subnet); sending (73) by each router node of the given subnet a message containing its determined second-type address; collecting (74) at the interface of each node on the given subnet the sent messages; selecting (75) for the interface of each node on the given subnet a third-type address among its determined second-type address and the second-type addresses contained in the collected messages, according to a selection rule known by all nodes of the subnet; electing (76) as master routing node of the given subnet the node having the selected third-type address.
An air gun intended for use in generating seismic energy impulses, i.e. acoustical waves, in a body of water that provides improved performance by adjusting the length of the firing chamber in order to tune the rise time from zero pressure to peak pressure and to increase or decrease the slope of the initial pulse. By selecting the length of the firing chamber, the rise time of the initial pulse is tuned to increase low frequencies and reduce objectionable high frequencies to help in mitigating damage to marine life and the marine environment and to provide greater penetration of the seismic signal through for example basalt and sub-basalt structures.
G01V 1/37 - Exécution de corrections statiques ou dynamiques sur des enregistrements, p. ex. correction de l'étalementÉtablissement d'une corrélation entre signaux sismiquesÉlimination des effets produits par un excès d'énergie spécialement adaptés aux systèmes sismiques utilisant une agitation continue du sol
G01V 1/38 - SéismologieProspection ou détection sismique ou acoustique spécialement adaptées aux zones recouvertes d'eau
G01V 13/00 - Fabrication, étalonnage, nettoyage ou réparation des instruments ou dispositifs couverts par les groupes
G01V 1/137 - Production d'énergie sismique en utilisant des fluides comme moyens d'entraînement hydrauliques, p. ex. en utilisant des fluides à haute pression dont les fluides s'échappent du générateur d'une manière pulsée, p. ex. pour produire des explosions
