Apparatus and methods for connecting a first subsea component (1000, 1220) with a further subsea component (1310) are disclosed. The apparatus for connecting the first component (1000, 1220) with the further component (1310) comprises a tool member (700, 1210) releasably securable to the first component (1000, 1220), at least one first guide member (1010) for guiding the first component (1000, 1220) into alignment with the further component (1310), and at least one magnetic field generating element (720) for selectively urging the first component (1000, 1220) into an interlocked state with the further component (1310).
F16L 1/26 - Repairing or joining pipes on or under water
E21B 33/038 - Connectors used on well heads, e.g. for connecting blow-out preventer and riser
B63C 11/52 - Tools specially adapted for working underwater, not otherwise provided for
E21B 43/013 - Connecting a production flow line to an underwater well head
B25B 27/10 - Hand tools or bench devices, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for connecting objects by press fit or detaching same inserting fittings into hoses
B25B 27/16 - Hand tools or bench devices, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for assembling objects other than by press fit or detaching same abutted flanges
A method and apparatus for detecting pipe entrenchment or upheaval of a flexible pipe and/or the presence of an external feature to the flexible pipe. The method includes helically winding a temperature sensing element around a layer of a flexible pipe, helically winding a heating element around a layer of a flexible pipe, heating the heating element to a pre-determined temperature, measuring the temperature at at least two locations along the flexible pipe, comparing the measured temperature response at the at least two locations, and making a determination, from the comparison of measured responses, regarding the exterior vicinity of the pipe at one of the at least two locations.
F16L 1/12 - Laying or reclaiming pipes on or under water
F16L 53/38 - Ohmic-resistance heating using elongate electric heating elements, e.g. wires or ribbons
F16L 11/08 - Hoses, i.e. flexible pipes made of rubber or flexible plastics with reinforcements embedded in the wall
F16L 11/127 - Hoses, i.e. flexible pipes made of rubber or flexible plastics with arrangements for particular purposes, e.g. specially profiled, with protecting layer, heated, electrically conducting electrically conducting
G01K 1/143 - SupportsFastening devicesArrangements for mounting thermometers in particular locations for measuring surface temperatures
3.
WELLHEAD APPARATUS, ASSEMBLY AND METHOD FOR SUPPORTING DOWNHOLE TUBING
A wellhead assembly (100) comprises a wellhead apparatus (10) having a tubular body (16) defining an axial throughbore (18), a tubing hanger (12) for supporting downhole tubing (14) and associated downhole tools and equipment within the wellhead assembly (10), and more particularly orientating the tubing hanger (12) relative to a conductor (36). The wellhead apparatus (10) comprises a tubing hanger alignment arrangement (32) which in the illustrated apparatus (10) takes the form of a helical profile provided in an axial throughbore (18) of the tubular body (16). The tubing hanger alignment arrangement (32) is configured to engage an alignment arrangement (34) of the tubing hanger (12) so as to orient the tubing hanger (12) relative to the wellhead apparatus (10) as the tubing hanger (12) is run into the tubular body (16).
A method and apparatus are disclosed for indicating one or more characteristics associated with a power factor for a power line. The apparatus includes at least one feedback element for coupling to a power line that delivers electrical power from an Alternating Current (AC) source to a load and for providing a first feedback voltage that represents a voltage provided by the power line; at least one further feedback element for coupling to the power line for providing a further feedback voltage that represents a current provided by the power line; and at least one impedance element, having an electrical impedance, wherein a first potential difference across the impedance element that is responsive to a potential difference between the first feedback voltage and the further feedback voltage, indicates a characteristic associated with a power factor for the power line.
A steel wire comprising the following elements: 0.30 - 0.80 wt % carbon, 0.25 - 0.45 wt% silicon, 0.20 - 0.70 wt% manganese, 0.008 - 0.020 wt% titanium, 0.001 - 0.004 wt% zirconium, wherein at least 50% of the microstructure of the steel wire comprises structures that are sufficiently small to be unresolvable at a magnification of 300X.
C21D 9/52 - Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articlesFurnaces therefor for wiresHeat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articlesFurnaces therefor for strips
A pipeline apparatus comprising a pipe body. The pipe body includes an annular cavity between annular innermost and outermost fluid impermeable barrier layers. The pipe body further includes a plurality of armour wires which extend along at least part of the length of the pipe body in the annular cavity. The plurality of armour wires include a first armour wire which is electrically isolated from the other armour wires along at least part of the length of the armour wires. The pipe body also includes a measurement device which is arranged to electrically couple to the first armour wire at a first end of the pipe body. The measurement device is arranged to measure the electrical impedance of the first armour wire, wherein variation of the electrical impedance of the first armour wire is indicative of a defect of the first armour wire.
F16L 11/08 - Hoses, i.e. flexible pipes made of rubber or flexible plastics with reinforcements embedded in the wall
G01M 3/18 - Investigating fluid tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using electric detection means for pipes, cables, or tubesInvestigating fluid tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using electric detection means for pipe joints or sealsInvestigating fluid tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using electric detection means for valves
G01M 3/40 - Investigating fluid tightness of structures by using electric means, e.g. by observing electric discharges
A subsea communication network and a method of communicating is disclosed. The subsea communication network is arranged in a topology having an A side and a B side. The network includes a plurality of subsea control modules (SCMs) each comprising a respective first side subsea electronics module (SEM) connected to a further side SEM via an internal communication link, a first side surface modem unit (SMU) and a further side SMU and a first side surface power supply module (PSM) and a further side surface PSM each connected to each SCM. At least two of the SEMs sharing a common side allocation in each of the first and further sides of the network are connected together via a point-to-point communication link.
A flexible pipe for subsea transportation of production fluids, a method of manufacturing flexible pipe body and a method of providing corrosion protection to armour wires of at least one tensile armour layer of a flexible pipe having a breached pipe annulus are disclosed. The flexible pipe comprises a fluid retaining layer, an outer sheath and at least one tensile armour layer comprising a plurality of helically wound monofilament armour wires of a first material, each having a non-circular cross section with an aspect ratio of greater than 1:2 disposed between the fluid retaining layer and the outer sheath. The tensile armour layer further comprises at least one helically wound elongate anode element substantially having a cross-section aspect ratio of 1:1 and comprising a further material, interposed between armour wires, the anode element cross section having an area that is 50% or less of a corresponding area of said non-circular cross section.
A venting apparatus for a subsea flexible pipe and a method of installing a venting apparatus is disclosed. The venting apparatus comprises a venting conduit configured for positioning through a polymer shield layer of a flexible pipe body. The venting conduit provides a venting passage therethrough and a vent cap is provided in operable connection with the venting conduit. The vent cap is for positioning on a radially outer side of the polymer shield layer. The vent cap comprises a one-way fluid valve for allowing fluid to flow in a direction from the vent passage out of the one-way fluid valve.
A method and apparatus for securing an end region of a tensile armour wire within a flexible pipe end fitting and a method of terminating flexible pipe body in an end fitting are disclosed. The apparatus comprises a rigid support body comprising at least one anchoring surface and including a slit between a first abutment surface of the support body and a further abutment surface of the support body that is spaced apart from the first abutment surface. Each abutment surface comprises a respective toothed region including teeth and a space between teeth of the first and further abutment surfaces is narrower at a root end of the slit proximate to a base region of the rigid support body than at an open mouth end of the slit distal to the base region. The space proximate to the base region comprises a region having a width that is equal to between 1.0 and 0.90 times a wire width of a tensile armour wire that has a width of between 2 and 10 mm.
F16L 33/01 - Arrangements for connecting hoses to rigid membersRigid hose-connectors, i.e. single members engaging both hoses specially adapted for hoses having a multi-layer wall
F16L 11/08 - Hoses, i.e. flexible pipes made of rubber or flexible plastics with reinforcements embedded in the wall
Apparatus for securing an end region of a tensile armour wire within a flexible pipe end fitting, a method of securing an end region of at least one flexible pipe body tensile armour wire to an anchoring element and a method of terminating flexible pipe body in an end fitting are disclosed. The apparatus for securing an end region of a tensile armour wire within a flexible pipe end fitting comprises a rigid support body comprising at least one anchoring surface, at least one rotatable element comprising at least one first tooth member, supported on the support body and rotatable about a first axis of rotation with respect to the rigid support body and at least one abutment element disposed in a spaced apart relationship with the rotatable element. The rotatable element is rotatable about the first axis of rotation in a first direction of rotation, to permit a tensile armour wire end region of a tensile armour wire for a flexible pipe to be moved in a first direction between the rotatable element and the abutment element, and in a counter rotation direction of rotation when the armour wire end region is urged in a further direction opposite to the first direction, for preventing movement of the armour wire in the further direction.
F16L 33/01 - Arrangements for connecting hoses to rigid membersRigid hose-connectors, i.e. single members engaging both hoses specially adapted for hoses having a multi-layer wall
F16B 2/18 - Clamps, i.e. with gripping action effected by positive means other than the inherent resistance to deformation of the material of the fastening using cams, levers, eccentrics, or toggles
F16G 11/10 - Quick-acting fasteningsClamps holding in one direction only
A method and apparatus for securing an end region of a tensile armour wire within a flexible pipe end fitting and a method of terminating flexible pipe body in an end fitting are disclosed. The apparatus comprises a rigid housing comprising at least one anchoring surface and partially enclosing a chamber region, at least one captive element, within the chamber region, that is moveable away from an inlet opening in the housing when a free end region of a tensile armour wire is urged through the inlet opening into the housing, and towards the inlet opening when a tensile armour wire is pulled out from the inlet opening away from the housing. The chamber region comprises a tapered zone having a narrow end region proximate to the inlet opening that receives the captive element when it is moved towards the inlet opening for preventing subsequent movement of the housing with respect to the tensile armour wire in a direction towards a free end of the tensile armour wire.
F16L 33/01 - Arrangements for connecting hoses to rigid membersRigid hose-connectors, i.e. single members engaging both hoses specially adapted for hoses having a multi-layer wall
F16B 2/14 - Clamps, i.e. with gripping action effected by positive means other than the inherent resistance to deformation of the material of the fastening using wedges
F16B 2/16 - Clamps, i.e. with gripping action effected by positive means other than the inherent resistance to deformation of the material of the fastening using rollers or balls
F16G 11/10 - Quick-acting fasteningsClamps holding in one direction only
A method of determining an estimated flow rate for at least one phase of a multi-phase fluid flowing from a subsea well; a subsea well; and a system for determining an estimated flow rate for at least one phase of a multi-phase fluid flowing from a subsea well are disclosed. The method of determining an estimated flow rate for at least one phase of a multi-phase fluid flowing from a subsea well comprises determining a mass or volumetric flow rate of a fluid in a completion or production tree of a subsea well; determining a Water Liquid Ratio (WLR) of said a fluid via a water sampling device; determining an upstream fluid pressure and an upstream fluid temperature of said a fluid at a location upstream of a production choke valve in the subsea production tree via at least one pressure sensor element and at least one temperature sensor element of the subsea production tree; determining a downstream fluid pressure and a downstream fluid temperature of a fluid at a location downstream of the production choke valve via at least one pressure sensor element and at least one temperature sensor element of the subsea production tree; determining a downhole fluid pressure and a downhole fluid temperature of said a fluid via at least one pressure sensor element and at least one temperature sensor element located downhole in the completion; and providing each of the determined mass or volumetric flow rate, water liquid ratio, upstream fluid pressure, upstream fluid temperature, downstream fluid pressure, downstream fluid temperature, downhole fluid pressure and downhole fluid temperature as respective inputs for a statistical estimator unit and, via the statistical estimator unit, determining an estimated flow rate for each of at least one phase of fluid flowing downstream of the choke valve.
A flexible pipe body for a flexible pipe for transporting production fluid from a sub-sea location is disclosed. The flexible pipe body comprises an inner sheath layer (102) for retaining fluid within a bore of the flexible pipe body and an outer sheath layer (108) provided radially outwardly of the inner sheath layer (102). An abrasion layer (160) is provided radially outwardly of the outer sheath layer (108) for protecting the outer sheath layer (108) against abrasion damage. A reinforcement layer (150) is provided between the outer sheath layer (108) and the abrasion layer (160), for protecting the outer sheath layer (108) against impact damage. The reinforcement layer (150) comprises a plurality of filaments that are woven, braided, knitted or otherwise intertwined.
F16L 11/08 - Hoses, i.e. flexible pipes made of rubber or flexible plastics with reinforcements embedded in the wall
F16L 57/06 - Protection of pipes or objects of similar shape against external or internal damage or wear against wear
G01M 3/16 - Investigating fluid tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using electric detection means
G01M 3/18 - Investigating fluid tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using electric detection means for pipes, cables, or tubesInvestigating fluid tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using electric detection means for pipe joints or sealsInvestigating fluid tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using electric detection means for valves
A rigid valve block body (210) and a method for determining fluid flow direction are disclosed. The valve block body (210) includes a first fluid inlet (300) and a further fluid inlet (310) at opposed sides of a rigid valve block body (210). A first fluid outlet (400) of the valve block body and a further fluid outlet (410) of the valve block body are disposed in a spaced apart relationship. A first V-shaped fluid communication passageway (420) comprises two passageway portions (432, 434) each extending within the valve block body from a first common root region proximate to the first fluid inlet. A further V-shaped fluid communication passageway comprises two further passageway portions each extending within the valve block body away from a further common root region proximate to the further fluid port. An end region of each passageway portion of the first V-shaped fluid communication passageway meets an end region of a respective passageway portion of the further V-shaped fluid communication passageway proximate to a respective fluid outlet.
E21B 34/04 - Valve arrangements for boreholes or wells in well heads in underwater well heads
E21B 43/013 - Connecting a production flow line to an underwater well head
E21B 43/017 - Production satellite stations, i.e. underwater installations comprising a plurality of satellite well heads connected to a central station
E21B 33/035 - Well headsSetting-up thereof specially adapted for underwater installations
A subsea system, a communication system for determining operation of at least one subsea actuator member, and apparatus for controlling one or more valves are disclosed. The subsea system comprises at least one auxiliary equipment and/or valve actuator module; and at least one modem unit that receives power signals; wherein the auxiliary equipment is responsive to an output provided by the modem unit.
A buoyancy compensating assembly (500) and method of deploying a riser assembly are disclosed. The buoyancy compensating (assembly 500) for connection to a portion of flexible pipe, comprises at least one rigid buoyancy module (502) for connection to a riser; and at least one regulating element (590) configured to control the pressure within the at least one rigid buoyancy module 502 in use.
A method and apparatus are disclosed for providing auxiliary equipment at a subsea location. The apparatus includes a housing including at least one wet mate receptacle connector and at least one wet mate plug connector spaced apart from the receptacle connector, at least one electronic auxiliary device in the housing, at least one connector member extending through a portion of the housing connecting at least one connection element of the wet receptacle connector to a respective at least one connection element of the wet plug connector; wherein the auxiliary device is connected to the connector member in the housing to thereby connect the auxiliary device to the connector member.
Disclosed herein is an elongate tape element that has a cross section comprising a substantially planar region, associated with a primary plane, that extends from a first bent edge region of the cross section. The elongate tape element also has a corrugated region that extends from a respective end region of the planar region to a remaining edge region of the cross section. The corrugated region comprises a first deep corrugation and at least one further deep corrugation.
A method and apparatus are disclosed for reducing flow induced vibration in at least one subsea structure. The method comprises the steps of, via at least one subsea acoustic sensor (190), detecting at least one characteristic associated with acoustic energy in sea water proximate to the sensor (190), responsive to the detected characteristic, varying at least one operational parameter of a fluid flowing along a fluid flow pathway associated with a pipe member (160).
A control system (204) for monitoring a filter (2a, 2b) in a subsea control module (SCM) (202) of an underwater hydrocarbon well is presented. The control system includes an upstream pressure transducer (10a, 10b) disposed upstream of a filter of the SCM and configured to sense an upstream pressure. The control system further includes a downstream pressure transducer (8) disposed downstream of the filter and configured to sense a downstream pressure. Furthermore, the control system includes a subsea electronics module (SEM) (11) coupled to the upstream pressure transducer and the downstream pressure transducer. The SEM is configured to determine average pressure differential values at different instances based on the upstream pressure and the downstream pressure. Moreover, the control system also includes a master control station (MCS) (112) coupled to the SEM and configured to predict a filter maintenance generate an indication of the predicted filter maintenance due time for an operator of the underwater hydrocarbon well.
E21B 33/035 - Well headsSetting-up thereof specially adapted for underwater installations
B01D 29/60 - Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups Filtering elements therefor integrally combined with devices for controlling the filtration
E21B 34/16 - Control means therefor being outside the borehole
E21B 41/00 - Equipment or details not covered by groups
E21B 43/01 - Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells specially adapted for obtaining from underwater installations
An element (1) for a bend restrictor, the element (1) comprises a first part (2) and a second part (3) which together provide a cavity for receipt of a flexible pipe, in use, the two parts (2, 3) are pivotably connected together at a first portion thereof (4; 6) and are releasably coupled or couplable together at a second portion thereof (5; 7). Successive elements may be secured together to form a bend restrictor.
F16L 1/12 - Laying or reclaiming pipes on or under water
F16L 1/235 - Apparatus for controlling the pipe during laying
F16L 3/10 - Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets substantially surrounding the pipe, cable or protective tubing divided, i.e. with two members engaging the pipe, cable or protective tubing
23.
Calibration apparatus and sensitivity determining module for virtual flow meter and associated methods
The present disclosure relates to a calibration device for calibrating a virtual flow meter of a production system. The production system includes components for transferring fluid, where the virtual flow meter is configured to estimate a flow rate of the fluid based on property values of the components and values of variable parameters of the components. The calibration device includes a sensitivity determining module configured to calculate a first sensitivity, where the first sensitivity is used to indicate a degree of change of the values of the variable parameters relative to disturbance of the property values, and a calibration module configured to calibrate the virtual flow meter according to the first sensitivity.
G01F 25/00 - Testing or calibration of apparatus for measuring volume, volume flow or liquid level or for metering by volume
G01F 1/34 - Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects by measuring pressure or differential pressure
G01F 5/00 - Measuring a proportion of the volume flow
G01F 9/00 - Measuring volume flow relative to another variable, e.g. of liquid fuel for an engine
24.
APPARATUS AND METHOD FOR CONVEYING A TOOL INTO AND/OR FROM A WELL INSTALLATION
An apparatus (10; 110; 310) for conveying a tool (12; 112; 312) into and/or from a well installation (W) comprises a conveying arrangement (16; 116; 316) configured for coupling to a housing (14; 114; 314) for receiving the tool to be conveyed (12; 112; 312). The conveying arrangement (16; 116; 316) includes an actuator arrangement (28; 128; 328) configurable between a retracted configuration and an extended configuration. The apparatus (10; 110; 310) is configured for location on a wellhead (WH) of the well installation (W), movement of the actuator arrangement (28; 128; 328) between the retracted configuration and the extended configuration moving the tool to be conveyed (12; 112; 312) into and/or from the housing (14; 114; 314) and thus into and/or from the well installation (W).
E21B 23/00 - Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes or wells
E21B 23/04 - Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes or wells operated by fluid means, e.g. actuated by explosion
An elongate tape element, a flexible pipe body and method of producing a flexible pipe body are disclosed. The tape element (508) has a cross-sectional profile comprising a body portion (510) for being positioned between collapse resistant tape windings (501) such that each body portion (510) lies at least partially in a gap (512) between adjacent collapse resistant tape windings (501); and at least one wing portion (516) extending from an end region of the body portion, the at least one wing portion configured to span the gap and respectively abut with a radially inner surface of an adjacent collapse resistant tape winding.
Embodiments of the present disclosure include a system for directing the flow of fluids via a production tree. The production tree extends upwardly from a lower surface to an upper surface and at least partially enclosing an upper section of a production bore and an upper section of an annulus bore, wherein one of a lower section and the upper section of the production bore includes a first production valve, the upper section of the production bore includes a second production valve, and the upper section of the annulus bore includes a second annulus valve.
Embodiments of the present disclosure include a system for directing the flow of fluids via a production tree. The production tree extends upwardly from a lower surface to an upper surface and at least partially enclosing an upper section of a production bore and an upper section of an annulus bore, wherein one of a lower section and the upper section of the production bore includes a first production valve, the upper section of the production bore includes a second production valve, and the upper section of the annulus bore includes a second annulus valve.
Methods and apparatus are disclosed. The apparatus includes a substantially cylindrical mount body (350) comprising a first open mouth at a first end of the cylindrical body (350) and a further open mouth at a remaining end of the cylindrical body, a substantially cylindrical inner surface, and an outer surface that includes a plurality of spaced apart substantially parallel recessed regions that extends circumferentially around the body, wherein the cylindrical body (350) is tapered at each end and at least one securing element is located between the recessed regions.
F16L 11/08 - Hoses, i.e. flexible pipes made of rubber or flexible plastics with reinforcements embedded in the wall
F16L 11/127 - Hoses, i.e. flexible pipes made of rubber or flexible plastics with arrangements for particular purposes, e.g. specially profiled, with protecting layer, heated, electrically conducting electrically conducting
F16L 11/16 - Hoses, i.e. flexible pipes made of rigid material, e.g. metal or hard plastics wound from profiled strips or bands
C23F 13/06 - Constructional parts, or assemblies of cathodic-protection apparatus
A flexible pipe body and a method of providing electrical continuity are disclosed. The flexible pipe body comprises a first armour layer formed from a helical winding of a metal tape element, a further armour layer formed from a helical winding of a further metal tape element, and at least one intermediate layer between the first and further armour layers, said intermediate layer comprising a helically wound electrically insulating tape element (8000, 8001, 8002, 8003, 8004) and a helically wound electrically conductive tape element (8100, 8101, 8102, 8103, 8104).
F16L 11/127 - Hoses, i.e. flexible pipes made of rubber or flexible plastics with arrangements for particular purposes, e.g. specially profiled, with protecting layer, heated, electrically conducting electrically conducting
F16L 11/16 - Hoses, i.e. flexible pipes made of rigid material, e.g. metal or hard plastics wound from profiled strips or bands
31.
PROVISION OF ELECTRICAL CONTINUITY AND/OR RADIAL SUPPORT
Flexible pipe body, a flexible pipe and a method of manufacturing pipe body are disclosed. The flexible pipe body comprises a tensile armour layer and a supporting layer radially outside, or radially inside, and in an abutting relationship with the tensile armour layer. The supporting layer comprises a helically wound constraining tape element and a helically wound electrically conductive tape element.
F16L 11/127 - Hoses, i.e. flexible pipes made of rubber or flexible plastics with arrangements for particular purposes, e.g. specially profiled, with protecting layer, heated, electrically conducting electrically conducting
F16L 58/00 - Protection of pipes or pipe fittings against corrosion or incrustation
F16L 11/08 - Hoses, i.e. flexible pipes made of rubber or flexible plastics with reinforcements embedded in the wall
F16L 11/16 - Hoses, i.e. flexible pipes made of rigid material, e.g. metal or hard plastics wound from profiled strips or bands
A power screw mechanism comprising a drive screw, a main shaft, and a clutch disposed between the drive screw and the main shaft. The clutch is configured to provide a frictional engagement between the drive screw and main shaft within a first range of torques applied to the drive screw, such that rotation of the drive screw causes rotation of the main shaft over the first range of torques. The clutch is further configured to slip out of frictional engagement between the drive screw and main shaft within a second range of torques applied to the drive screw, such that rotation of the drive screw does not cause rotation of the main shaft over the first range of torques. The second range of torques is greater in magnitude than the first range of torques.
The disclosure relates to a clamping device and method of securing a clamping device. The clamping device is suitable for clamping an elongate member, and includes a body portion for surrounding the elongate element and configured to apply a compressive force on the elongate member. The body portion includes at least two outwardly curved plates.
F16L 3/10 - Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets substantially surrounding the pipe, cable or protective tubing divided, i.e. with two members engaging the pipe, cable or protective tubing
A method and apparatus for detecting pipe entrenchment or upheaval of a flexible pipe and/or the presence of an external feature to the flexible pipe are disclosed. The method includes helically winding a temperature sensing element (204) around a layer of a flexible pipe; helically winding a heating element (206) around a layer of a flexible pipe; heating the heating element to a pre-determined temperature; measuring the temperature at at least two locations along the flexible pipe; comparing the measured temperature response at the at least two locations; and making a determination, from the comparison of measured responses, regarding the exterior vicinity of the pipe at one of the at least two locations.
F16L 1/12 - Laying or reclaiming pipes on or under water
F16L 11/08 - Hoses, i.e. flexible pipes made of rubber or flexible plastics with reinforcements embedded in the wall
F16L 11/12 - Hoses, i.e. flexible pipes made of rubber or flexible plastics with arrangements for particular purposes, e.g. specially profiled, with protecting layer, heated, electrically conducting
F16L 11/127 - Hoses, i.e. flexible pipes made of rubber or flexible plastics with arrangements for particular purposes, e.g. specially profiled, with protecting layer, heated, electrically conducting electrically conducting
F16L 53/00 - Heating of pipes or pipe systemsCooling of pipes or pipe systems
A method and apparatus are disclosed. The apparatus includes a securing element body comprising a first elongate weakened region in the body extending along a respective first weakened region axis, a further elongate weakened region substantially orthogonal to the first weakened region axis and located proximate to a first end of the first weakened region, and a still further elongate weakened region substantially orthogonal to the first weakened region axis and located proximate to a remaining end of the first weakened region, wherein the further and still further weakened regions are disposed in a substantially parallel spaced apart relationship to provide at least one deformable region in the securing element body on a respective side of the first elongate weakened region.
F16L 33/01 - Arrangements for connecting hoses to rigid membersRigid hose-connectors, i.e. single members engaging both hoses specially adapted for hoses having a multi-layer wall
F16B 37/02 - Nuts or like thread-engaging members made of thin sheet material
A method and apparatus are disclosed. The method includes the steps of providing an elongate sheet having a uniform thickness and a first and further spaced apart long edge, to a first pair of a plurality of spaced apart pairs of opposed forming roller elements, and via the pairs of roller elements, progressively forming a cross-sectional profile in the sheet that comprises a body portion comprising a folded central region of the sheet and a first and further wing portion that each extend away from the body portion and terminate at a respective long edge of the sheet, and securing adjacent regions of the wing portions and/or opposed regions of the body portion together thereby providing a windable elongate tape element having laterally immobilised wing portions.
A remotely operated vehicle comprising a flying lead orientation tool (1) and a mating tool (2), wherein the mating tool is connected to the remotely operated vehicle via the flying lead orientation tool, wherein said flying lead orientation tool comprises a first part of a locking mechanism (3), said mating tool comprises a second part of the locking mechanism (4), said first part engaging with the second part to secure the mating tool to the flying lead orientation tool in use, and wherein the locking mechanism comprises a retaining means, said retaining means permitting the disengagement of the first and second parts when the retaining means is in a first position, said retaining means preventing the disengagement of the first and second parts when the retaining means is in a second position, wherein the retaining means is biased into the first position by a biasing means.
A method of making a flexible pipe layer, which method comprises: commingling polymer filaments and carbon fibre filaments to form an intimate mixture, forming yarns of the commingled filaments, forming the yarns into a tape, and applying the tape to a pipe body to form a flexible pipe layer.
B32B 5/08 - Layered products characterised by the non-homogeneity or physical structure of a layer characterised by structural features of a layer comprising fibres or filaments the fibres or filaments of a layer being specially arranged or being of different substances
B32B 27/08 - Layered products essentially comprising synthetic resin as the main or only constituent of a layer next to another layer of a specific substance of synthetic resin of a different kind
B32B 27/12 - Layered products essentially comprising synthetic resin next to a fibrous or filamentary layer
B29C 53/56 - Winding and joining, e.g. winding spirally
F16L 11/08 - Hoses, i.e. flexible pipes made of rubber or flexible plastics with reinforcements embedded in the wall
D02G 3/16 - Yarns or threads made from mineral substances
A method for providing a flexible pipe 100 is disclosed. The method comprises the steps of receiving a nominal internal diameter as an indicated design parameter of project-specific design requirements for a flexible pipe, and responsive to the indicated design parameter, providing a fabrication specification for manufacturing flexible pipe body, including a carcass layer and at least one smoothing insert disposed between adjacent hoop-like elements of the carcass layer to smooth a radially inner surface of the carcass layer, having an effective internal diameter less than said nominal internal diameter.
Apparatus, flexible pipe body and methods are disclosed. The apparatus comprising at least one connector body comprising a first restraining arm portion and an opposed further restraining arm portion, each extending outwardly away from a common intersecting region of the connector body and comprising a respective locking surface, and at least one support arm portion that extends from the common intersecting region substantially perpendicular to the opposed arm portions and terminates with a flared end portion providing an abutment surface, wherein a distance between the common intersecting region and an abutment surface is less than 60% of said predetermined thickness.
A vent arrangement for a flexible pipe body. The vent arrangement comprises a vent valve and an annular region flushing valve. The vent valve is arranged to couple to an annular region access port of a flexible pipe end fitting such that the vent valve can vent fluid from the pipe body annular region. The annular region flushing valve is in fluid communication with the vent valve and the annular region access port. The annular region flushing valve is arranged to inject fluid into the vent arrangement for flushing the vent valve, the annular region access port or the pipe body annular region. An end fitting incorporating the vent arrangement, a flexible pipe comprising the end fitting and a flexible pipe body coupled to the end fitting, and a method of manufacturing a flexible pipe are also disclosed.
F16L 11/08 - Hoses, i.e. flexible pipes made of rubber or flexible plastics with reinforcements embedded in the wall
F16L 33/01 - Arrangements for connecting hoses to rigid membersRigid hose-connectors, i.e. single members engaging both hoses specially adapted for hoses having a multi-layer wall
F16L 11/12 - Hoses, i.e. flexible pipes made of rubber or flexible plastics with arrangements for particular purposes, e.g. specially profiled, with protecting layer, heated, electrically conducting
A method and apparatus are disclosed for providing erosion protection to self-interlocking windings of a carcass layer of a flexible pipe. The method includes the steps of, via a wound sacrificial insert located over at least a portion of an inner facing surface of self-interlocking windings of a carcass layer, shielding at least a flow facing edge region of each self- interlocking winding from abrasive elements carried by a bore fluid flowing along a bore of the flexible pipe from an upstream to a downstream location.
A device for measuring the rate of flow of a fluid comprising. The device comprises a heating element, a housing, and a detector. The heating element is located in an interior of said housing, the housing defining a first thermal path from the heating element to a first region of an exterior of the housing and a second thermal path from the heating element to a second region of the exterior of the housing. The detector is configured to detect a property associated with transfer of heat from the heating element to the exterior of the housing. The first thermal path has a first thermal conductivity and the second thermal path has a second thermal conductivity. The first thermal conductivity is greater than the second thermal conductivity. The first region of the exterior of the housing is smaller than the second region of the exterior of the housing.
An actuator apparatus (10) for a valve (12), such as a subsea choke valve, comprises an actuator (16) for actuating the valve (12) and an override apparatus (18). The override apparatus (18) is disposed laterally of the actuator (16) and is coupled to the actuator (16) by a transmission system including a chain (32), the actuator (16) permitting the actuator (16) to be operated by a secondary actuation mechanism, such as by a remotely operated vehicle (ROV).
E21B 33/035 - Well headsSetting-up thereof specially adapted for underwater installations
E21B 34/04 - Valve arrangements for boreholes or wells in well heads in underwater well heads
F16K 3/02 - Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing facesPackings therefor
A hose such as a flexible riser (10) comprises a generally cylindrical tubular structure with at least one layer (18, 20) of steel ligaments near the outer surface, the steel ligaments being enclosed within a tubular layer (30, 32, 34) comprising polymeric material; the flexible hose also incorporates a multiplicity of sensing coils (40) embedded within the tubular layer, each such sensing coil being a flat coil lying in a plane substantially parallel to the adjacent layer (20) of steel ligaments, so that an axis of the coil orthogonal to the plane of the flat coil (40) extends in a radial direction relative to the hose (10). Each such sensing coil (40) may form part of an electronic module (35) that also incorporates a signal processing circuit (41, 42) and an RF power-receiving and data-transmission circuit (43). When that portion of the hose (10) is subjected to an alternating magnetic field, signals from the sensing coils (40) can be analysed to deduce information about the stress in the steel ligaments.
G01N 27/90 - Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables for investigating the presence of flaws using eddy currents
A method and apparatus are disclosed for determining a bending radius of a flexible pipe. The apparatus includes at least one bend sensor element comprising an elongate flexible substrate and at least one bend sensitive element on the substrate that has at least one electrical characteristic that is responsive to angular displacement of the substrate. The apparatus also comprises a flexible crush resistant elongate housing that supports and surrounds the bend sensor element.
G01B 5/30 - Measuring arrangements characterised by the use of mechanical techniques for measuring the deformation in a solid, e.g. mechanical strain gauge
G01B 5/12 - Measuring arrangements characterised by the use of mechanical techniques for measuring diameters internal diameters
G01B 7/16 - Measuring arrangements characterised by the use of electric or magnetic techniques for measuring the deformation in a solid, e.g. by resistance strain gauge
F16L 11/08 - Hoses, i.e. flexible pipes made of rubber or flexible plastics with reinforcements embedded in the wall
A gas production line comprising: an inlet; an outlet; and a wet gas condenser connected between the inlet and the outlet, wherein the wet gas condenser comprises: a condensing chamber; a condensing surface; and a collecting chamber, wherein, in use, water vapour in wet gas passing over the condensing surface is condensed into liquid water, said liquid water flowing along a predetermined flow path into the collecting chamber.
E21B 43/01 - Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells specially adapted for obtaining from underwater installations
B01D 53/00 - Separation of gases or vapoursRecovering vapours of volatile solvents from gasesChemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases or aerosols
E21B 43/34 - Arrangements for separating materials produced by the well
F28B 3/00 - Condensers in which the steam or vapour comes into direct contact with the cooling medium
A sealing arrangement for an oil and/or gas well, comprising a rotation portion and a sealing portion. Rotation of the rotation portion causes the sealing portion to engage a surface of the oil and/or gas well so as to substantially form a seal therebetween.
A subsea high integrity pipeline protection system comprising a fluid inlet, a fluid outlet, a first barrier valve connected between the fluid inlet and the fluid outlet, a second barrier valve connected between the first barrier valve and the fluid outlet, and a bypass circuit which allows fluid to circumvent the barrier valves when closed, wherein the bypass circuit includes first and second bypass valves connected in series, and a third bypass valve connected in parallel to the second bypass valve.
F17D 1/20 - Arrangements or systems of devices for influencing or altering dynamic characteristics of the systems, e.g. for damping pulsations caused by opening or closing of valves
F17D 3/01 - Arrangements for supervising or controlling working operations for controlling, signalling, or supervising the conveyance of a product
F17D 3/12 - Arrangements for supervising or controlling working operations for injecting a composition into the line
F17D 5/00 - Protection or supervision of installations
A hydraulic accumulator monitoring system comprising: a hydraulic input 2; a hydraulic output 3; at least one hydraulic accumulator 4 connected between the hydraulic input and the hydraulic output; a flowmeter 10 connected between the hydraulic input and the at least one accumulator; and a processor connected to the flowmeter to receive measurements taken by the flowmeter, wherein the processor is operable to infer the stored volume of accumulated hydraulic fluid within the accumulator from the received flowmeter measurements.
A pressure control system (10) for an oil or gas well, comprising: a moveable member (105, 205) moveable between an open configuration in which fluid is permitted to flow from a first region of the well to a second region of the well and a closed configuration in which fluid flow from the first region to the second region is prevented; a biasing member (110, 210) configured to urge the moveable member towards the closed configuration; and a pressure controller (120), wherein the pressure controller is arranged to control a pressure that acts on the moveable member to urge the moveable member towards the closed configuration.
A riser assembly and method of installing a riser assembly are disclosed. The riser assembly includes a first attachment element connected to a first portion of flexible pipe and a second attachment element connected to a second portion of flexible pipe. The first attachment element and second attachment element are connected by at least one tether element, via a fixed structure in a configuration such that, in use, in response to movement of the first and second portions of flexible pipe, the tension load at any moment in time, at each attachment element, remains substantially equal.
An actuator 10 for a flow or isolation valve which may be used subsea is disclosed. The actuator comprises a piston 11 arranged to be moved between first and second positions, a hydraulic locking mechanism 12 to lock the piston 11 in the first or second position and an electric motor 16 to move the piston 11 from the first to the second position. An electric motor operated subsea actuator 10 may be relatively inexpensively and reliably remotely controlled by an electrical control line 17 such as an electric cable from the surface for example.
A safety node 1 for a hydrocarbon extraction facility control system, the node comprising: a hydraulic input 11; a hydraulic output 12; a directional control valve 10 disposed between the hydraulic input and the hydraulic output; and a functional safety electronics module 4 containing a logic solver 6 in operable communication with the directional control valve; wherein the logic solver is configured to operate the directional control valve to permit hydraulic communication between the hydraulic input and the hydraulic output in response to the presence of a given condition and inhibit hydraulic communication between the hydraulic input and the hydraulic output in response to the absence of a given condition.
E21B 33/035 - Well headsSetting-up thereof specially adapted for underwater installations
E21B 43/01 - Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells specially adapted for obtaining from underwater installations
A subsea flying lead (6) containing a fluid line comprising a tubing (7a, 7b), wherein, in use, an electric current is transmitted along the tubing (7a, 7b). Such a flying lead (6) may be used in an apparatus and method for transmitting electricity to a component of an underwater hydrocarbon extraction facility.
A sacrificial breakaway mechanism (1) comprising: a first piece (5) attached to a fixed structure (3); a second piece (6); a plurality of connectors (11, 12) running between the second piece (6) and the fixed structure (3); and a sacrificial element (8) connecting the first piece (5) to the second piece (6), wherein said sacrificial element (8) is configured such that a tensile load exceeding a predetermined threshold exerted on the second piece causes the sacrificial element (8) to break, separating the first piece (5) from the second piece (6) and allowing relative movement therebetween, said relative movement causing a sequential disconnection of the plurality of connectors (11, 12).
E21B 29/12 - Cutting or destroying pipes, packers, plugs or wire lines, located in boreholes or wells, e.g. cutting of damaged pipes, of windowsDeforming of pipes in boreholes or wellsReconditioning of well casings while in the ground specially adapted for underwater installations
E21B 33/035 - Well headsSetting-up thereof specially adapted for underwater installations
A hydraulic circuit comprising: a hydraulic input A, a hydraulic output B, a first directional control valve 12 arranged between the hydraulic input and hydraulic output, and a second directional control valve arranged between the hydraulic input and hydraulic output in series with the first directional control valve, wherein the first directional control valve has a first position in which it inhibits the passage of hydraulic fluid from the hydraulic input to the hydraulic output and a second position in which it permits the passage of hydraulic fluid, the second directional control valve has a first position in which it inhibits the passage of hydraulic fluid from the hydraulic input to the hydraulic output and a second position in which it permits the passage of hydraulic fluid, and wherein the first and second directional control valves each require an energy input to be maintained in their respective second positions.
F15B 19/00 - Testing fluid-pressure actuator systems or apparatus, so far as not provided for elsewhere
F15B 20/00 - Safety arrangements for fluid actuator systemsApplications of safety devices in fluid actuator systemsEmergency measures for fluid actuator systems
A method and apparatus are disclosed for re-terminating an end of a flexible pipe. The method comprises removing at least one original end fitting component (310, 335) from a multicomponent end fitting, secured to flexible pipe body at an end of a flexible pipe, leaving a retained portion (330, 360) of the end fitting in situ and subsequently securing at least one superseding end fitting component (310, 335) to the retained portion thereby providing a new fluid tight seal against a fluid retaining layer of the flexible pipe at a new sealing location axially displaced from an original sealing location.
F16L 33/01 - Arrangements for connecting hoses to rigid membersRigid hose-connectors, i.e. single members engaging both hoses specially adapted for hoses having a multi-layer wall
F16L 53/00 - Heating of pipes or pipe systemsCooling of pipes or pipe systems
F16L 55/07 - Arrangement or mounting of devices, e.g. valves, for venting or aerating or draining
G01M 3/00 - Investigating fluid tightness of structures
59.
APPARATUS AND METHOD FOR TERMINATING FLEXIBLE PIPE BODY
A method and apparatus are disclosed for terminating flexible pipe body. The apparatus comprises an end fitting core portion (330), an end fitting termination portion (310) and a spacer ring member (335) locatable between the core portion (330) and the termination portion (310) for maintaining a whole anterior end surface of the core portion (330) and an opposed whole posterior end surface of the termination portion (310) in a spaced apart relationship.
F16L 33/01 - Arrangements for connecting hoses to rigid membersRigid hose-connectors, i.e. single members engaging both hoses specially adapted for hoses having a multi-layer wall
60.
FLEXIBLE PIPE COMPONENTS AND METHOD OF MANUFACTURE OF FLEXIBLE PIPE
Flexible pipe comprising a flexible pipe body (100) including a tensile armour layer (105, 106), an end fitting body (301) and an outer sleeve (412) arranged about the pipe body (100) adjacent the tensile armour layer (106) and within the end fitting body (301), the tensile armour layer (106) comprising a plurality of metallic wires (312) having a helically wound portion and a splayed portion, wherein a body (420) of durable electrically insulating material is arranged between the tensile armour layer (106) and the outer sleeve (412) effective substantially to prevent contact between the tensile armour layer(106) and the outer sleeve (412).
F16L 33/01 - Arrangements for connecting hoses to rigid membersRigid hose-connectors, i.e. single members engaging both hoses specially adapted for hoses having a multi-layer wall
61.
ETHERNET DISTRIBUTED PASSIVE OPTICAL NETWORKING FOR SUBSEA SYSTEMS
A method for routing communications signals at an underwater hydrocarbon extraction facility, comprises the steps of: i) providing a routing module at an underwater location, the routing module comprising a passive wavelength division demultiplexer 30, ii) sending wavelength division multiplexed communications signals to the routing module from a surface location via an input optical fibre 29, iii) demultiplexing said wavelength division multiplexed communications signals using the passive wavelength division demultiplexer 30 to produce a plurality of demultiplexed output communications signals, and iv) outputting the output demultiplexed communications signals via respective output optical fibres 31.
E21B 47/12 - Means for transmitting measuring-signals or control signals from the well to the surface, or from the surface to the well, e.g. for logging while drilling
H04B 10/25 - Arrangements specific to fibre transmission
H04J 14/02 - Wavelength-division multiplex systems
An underwater hydrocarbon extraction facility (2) including a plurality of actuators (3, 4, 5), wherein each of the actuator (3, 4, 5), comprises: an electric motor arranged to operate the actuator; communication means configured to receive communication signals; and a controller (12) connected to the communication means and the electric motor, said controller (12) being operable to activate the electric motor in response to a received communication signal.
E21B 33/035 - Well headsSetting-up thereof specially adapted for underwater installations
E21B 47/12 - Means for transmitting measuring-signals or control signals from the well to the surface, or from the surface to the well, e.g. for logging while drilling
A wellhead assembly includes a tubular housing assembly having a housing sidewall, an axial bore, and a housing annulus passage extending from the axial bore through the housing sidewall. A tubing hanger is secured to a string of tubing and is selectively landed in the housing assembly. The tubing hanger has a vertical bore in fluid communication with the axial bore. A vertical tree assembly is selectively landed on the housing assembly, the vertical tree assembly having a tree member located axially above the tubing hanger. The tree member has a lateral bore for directing a flow of production fluid from a well. A tree annulus passage extends through a sidewall of the tree member. An external annulus passage extends external of the tree member and the housing assembly and is in fluid communication with the housing annulus passage and the tree annulus passage.
A pipeline apparatus comprising a flexible pipe body and a detection apparatus. The flexible pipe body includes an optical fiber extending at least partially along the length of the flexible pipe body, the optical fiber being encased in a metal tube. The detection apparatus comprises an optical sensor and an electrical sensor. The optical sensor is coupled to a first end of the optical fiber, the optical sensor being arranged to inject optical pulses into the optical fiber and to detect scattered or reflected light. The electrical sensor is coupled to a first end of the metal tube and to detect variation of an electrical impedance between the first end of the metal tube and a separate terminal. Variation of the scattered or reflected light, or impedance variation, is indicative of a potential pipe body defect.
G01M 3/18 - Investigating fluid tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using electric detection means for pipes, cables, or tubesInvestigating fluid tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using electric detection means for pipe joints or sealsInvestigating fluid tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using electric detection means for valves
G01M 3/38 - Investigating fluid tightness of structures by using light
A riser assembly and method of supporting a riser assembly are disclosed. The riser assembly includes a riser;at least one buoyancy compensating element attached to the riser; and at least one damped biasing element for controlling movement of the riser about a neutral position with respect to an adjacent underwater structure. The biasing element is directly or indirectly connected to the riser and is directly or indirectly connectable to the adjacent underwater structure.
F16L 1/18 - Laying or reclaiming pipes on or under water on the bottom the pipes being S- or J-shaped and under tension during laying
F16L 1/19 - Laying or reclaiming pipes on or under water on the bottom the pipes being S- or J-shaped and under tension during laying the pipes being J-shaped
A power switching module 1 comprising: a plurality of input interfaces 3a, 3b, 3c, 3d; a plurality of output interfaces 4a, 4b, 4cx, 4d; a plurality of switches 5a, 5b, 5c, 5d connected between respective ones of the input interfaces and the output interfaces; and a controller 6 operable to selectively open and close the switches, wherein the power switching module is received in a marinised canister 2.
E21B 43/01 - Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells specially adapted for obtaining from underwater installations
E21B 47/12 - Means for transmitting measuring-signals or control signals from the well to the surface, or from the surface to the well, e.g. for logging while drilling
H02H 1/06 - Arrangements for supplying operative power
06 - Common metals and ores; objects made of metal
17 - Rubber and plastic; packing and insulating materials
37 - Construction and mining; installation and repair services
Goods & Services
Pipes; flexible pipe and pipe systems (term too vague in the
opinion of the International Bureau – Rule 13(2)(b) of the
Common Regulations); cables; flexible pipeline products
(term too vague in the opinion of the International Bureau – Rule 13(2)(b) of the Common Regulations); pipeline
reinforcing materials; flexible pipe and pipeline products
for use in the oil and gas industry (term too vague in the
opinion of the International Bureau – Rule 13(2)(b) of the
Common Regulations); all the aforesaid goods of metal or
composites made primarily of metal; parts and fittings for
the aforesaid goods; none of the above products for use in
relation to domestic sanitary installations or domestic
waste water conduct systems. Pipes; flexible pipe and pipe systems; reinforced
thermoplastic pipe; cables (term too vague in the opinion of
the International Bureau – Rule 13(2)(b) of the Common
Regulations); flexible pipeline products; pipeline
reinforcing materials; flexible pipe and pipeline products
for use in the oil and gas industry; all the aforesaid goods
not of metal or of composites of plastic and metal (term too
vague in the opinion of the International Bureau – Rule
13(2)(b) of the Common Regulations); parts and fittings for
the aforesaid goods; none of the above products for use in
relation to domestic sanitary installations or domestic
waste water conduct systems. Installation and fitting of pipes, pipelines and other
products for use in the oil and gas industry; information,
advisory and consultancy services, all relating to the
aforesaid services.
68.
A RISER ASSEMBLY AND METHOD OF FORMING A RISER ASSEMBLY
A riser assembly (500) for transporting fluids from a sub-sea location is disclosed. The riser assembly (500) includes a riser (501) having at least one segment of flexible pipe and a plurality of buoyancy compensating elements (511) connected to the riser (501) and connected together in an in-line configuration to form a mid-line buoyancy section (510). The riser assembly (500) also includes at least one buoyancy aid (521) connected to the riser (501) at a position above and spaced apart from the mid-line buoyancy section (510). The at least one buoyancy aid (521) forms a first distributed buoyancy section (520) and is sufficiently buoyant to maintain a tension load on the riser (501) between the first distributed buoyancy section (520) and the mid-line line buoyancy section (510). The riser assembly (500) further includes at least one further buoyancy compensating element (531) connected to the riser (501) at a position above and spaced apart from the first distributed buoyancy section (520) to form a second distributed buoyancy section (530). The second distributed buoyancy section (530) is configured to support a portion of the riser (501) in a wave configuration.
A method of locking a subsea electronics module 2 to a pressure isolation vessel3, said subsea electronics module comprising at least one cammed surface 4 on an outer surface thereof and said pressure isolation vessel comprising at least one cammed surface on an inner surface thereof, the method comprising the steps of: inserting the subsea electronics module into the pressure isolation vessel; and rotating the subsea electronics module in a first direction to cause at least one cammed surface of the subsea electronics module to engage with at least one corresponding cammed surface of the pressure isolation vessel to form an interference fit between the subsea electronics module and the pressure isolation vessel.
A method and apparatus are disclosed for at least partially repairing a defect in a tubular composite layer. The apparatus comprises a plurality of independently movable abutment elements (3820) each supported in a spaced apart relationship via a respective one of at least one support member (3810). Each abutment element is associated with a respective drive axis along which the abutment elements are movable and the drive axes of all abutment elements extend outwardly from a common centre point.
F16L 1/235 - Apparatus for controlling the pipe during laying
F16L 3/10 - Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets substantially surrounding the pipe, cable or protective tubing divided, i.e. with two members engaging the pipe, cable or protective tubing
F16L 55/17 - Devices for covering leaks in pipes or hoses, e.g. hose-menders from outside the pipe by means of rings, bands or sleeves pressed against the outside surface of the pipe or hose
71.
APPARATUS AND METHOD FOR MANUFACTURING FLEXIBLE PIPE
A method and apparatus for manufacturing a composite layer of a flexible pipe are disclosed. The apparatus comprises a layer inspection station comprising at least one sensor, located down stream of and in an in-line configuration with an extrusion station or pultrusion station or winding station or deposition station for providing a tubular composite layer over an underlying substantially cylindrical surface via a continuous process. The inspection station automatically and continuously determines if at least one parameter of the tubular composite layer satisfies a respective predetermined condition in at least one region of the tubular composite layer as the tubular composite layer is transported proximate to the inspection station and indicates in real time at least one of a type, size and/or location of a defect in the tubular composite layer.
A method, a component part of an end fitting and a preformed member for manufacturing a component part of an end fitting are disclosed. The method comprises the steps of, via an additive process, providing a near net shape (NNS) precursor corresponding to a component part of an end fitting layer-by-layer and subsequently performing at least one post NNS processing operation on the NNS precursor to provide the component part.
B22F 3/105 - Sintering only by using electric current, laser radiation or plasma
B22F 5/10 - Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product of articles with cavities or holes, not otherwise provided for in the preceding subgroups
B29C 67/00 - Shaping techniques not covered by groups , or
F16L 33/01 - Arrangements for connecting hoses to rigid membersRigid hose-connectors, i.e. single members engaging both hoses specially adapted for hoses having a multi-layer wall
A method of amplifying an optical signal, the signal being carried by an optical transmission path 4, comprises the steps of: i) providing a pair of electrical -optical data converters 6, 7 in the optical transmission path, including a first electrical -optical data converter for converting an input optical signal from the optical transmission path to an output electrical signal, and a second electrical -optical data converter; and ii) electrically connecting the first and second electrical -optical data converters, so that the second electrical -optical data converter is operable to convert the output electrical signal to an output optical signal for transmission on the optical transmission path.
H04B 10/80 - Optical aspects relating to the use of optical transmission for specific applications, not provided for in groups , e.g. optical power feeding or optical transmission through water
A riser adapter system (30) for coupling a mono-bore riser to a dual bore subsea wellhead assembly (10) with a main bore and an annulus bore, includes an upper adapter (28) with an upper bore (32) offset from a radially centered point (38) of a downward facing face of the upper adapter. The upper bore is in fluid communication with a riser bore (40) of the mono-bore riser. A lower adapter (42) has a first end selectively mated to the downward facing face of the upper adapter and an opposite facing second end. The lower adapter has a lower bore offset (46) from a central axis of the lower adapter. The downward facing face of the upper adapter and the second end of the lower adapter are alternately mated to the subsea wellhead assembly so that the riser bore is alternately in fluid communication with the main bore and the annulus bore of the subsea wellhead assembly.
E21B 33/038 - Connectors used on well heads, e.g. for connecting blow-out preventer and riser
E21B 33/076 - Well headsSetting-up thereof having provision for introducing objects or fluids into, or removing objects from, wells specially adapted for underwater installations
A method of manufacturing a configurable pre-machined forging for use with a multiple bore tubing hanger or a mono bore tubing hanger includes providing a configurable common master valve block with a main bore (46) along a main central axis (Ax). After providing the configurable common master valve block, a target subsea assembly is identified that has a mono bore subsea completion with a production bore along a central axis of a tubing hanger, or a multiple bore subsea completion with the production bore offset from the central axis of the tubing hanger. If the target subsea assembly has the mono bore subsea completion, the machining of a lower interface (62) of the common master valve block is centered around the main central axis (Ax). If the target subsea assembly has the multiple bore subsea completion, the machining has an eccentric interface axis (64) that is parallel to, and offset from, the main central axis (Ax).
A method and apparatus are disclosed for determining a bending radius of a flexible pipe. The apparatus includes at least one bend sensor element comprising an elongate flexible substrate and at least one bend sensitive element on the substrate that has at least one electrical characteristic that is responsive to angular displacement of the substrate. The apparatus also comprises a flexible crush resistant elongate housing that supports and surrounds the bend sensor element.
G01B 7/16 - Measuring arrangements characterised by the use of electric or magnetic techniques for measuring the deformation in a solid, e.g. by resistance strain gauge
G01B 5/30 - Measuring arrangements characterised by the use of mechanical techniques for measuring the deformation in a solid, e.g. mechanical strain gauge
77.
WET MATE FIBRE OPTIC CONNECTOR, SUBSEA DATA COMMUNICATION SYSTEM AND METHOD
A wet mate optical connector in combination with a wave division multiplexer (9), there being a plurality of input fibre optic cables (4, 5, 6, 7) on an input side of the multiplexer and a fibre optic cable (10) on an output side of the multiplexer connected for providing multiplexed optical signals from the input cables to the wet mate connector. Corresponding subsea data communication system further comprising a power and communication distribution module (11) including a demultiplexer (12) and optical-to-electrical converters (13, 14, 15, 16).
G02B 6/38 - Mechanical coupling means having fibre to fibre mating means
E21B 47/12 - Means for transmitting measuring-signals or control signals from the well to the surface, or from the surface to the well, e.g. for logging while drilling
H04B 10/00 - Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
H04J 14/02 - Wavelength-division multiplex systems
An optical amplifier comprising: an optical coupler configured to receive a communication signal and couple said communication signal to an optical connector of a doped optical fibre; and at least one electrical to optical data converter connected to the optical coupler to provide pump radiation thereto.
A method and apparatus are disclosed for supporting a flexible pipe. The method includes the steps of responsive to a change in at least one condition experienced by a flexible pipe, varying an amount of support provided at at least one location on the flexible pipe.
F16L 3/16 - Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets with special provision allowing movement of the pipe
F16L 1/16 - Laying or reclaiming pipes on or under water on the bottom
F16L 11/133 - Hoses, i.e. flexible pipes made of rubber or flexible plastics with arrangements for particular purposes, e.g. specially profiled, with protecting layer, heated, electrically conducting buoyant
F16L 3/26 - Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets specially adapted for supporting the pipes all along their length, e.g. pipe channels or ducts
80.
POWER SWITCHING ARRANGEMENT FOR LINE INSULATION MONITORING
A method of performing line insulation monitoring of a pair of conductor lines (L1, L2) at least partially located in a cable, comprising the steps of: a) providing a first power switch (101) in a first conductor line (L1) of the pair and a second power switch (102) in a second conductor line (L2) of the pair, b) providing a line insulation monitor (27) at a first end of the pair of conductor lines (L1, L2), electrically connected to the pair of conductor lines (L1, L2), c) at the second end of the pair of conductor lines (L1, L2), electrically connecting the first and second conductor lines (L1, L2), d) placing the first and second power switches (101, 102) into a monitoring configuration wherein the first power switch (101) is closed while the second power switch (102) is open, and e) using the line insulation monitor (27) to monitor the insulation of the conductor lines.
A wellhead assembly includes an annulus access valve (AAV) disposed in a wellhead hanger. Upper and lower annulus access bores intersect the bore at upper and lower ports. The AAV includes a body that reciprocates within the bore between open and closed positions. Hydraulic fluid moves the body between the open and closed positions. Axially spaced apart upper and lower apertures are formed through the body outer surface allow communication to a chamber within the body. When in the open position, the upper and lower apertures respectively register with the inlet and outlet ports so that the upper and lower annulus access bores are in communication through the AAV. When in the closed position, a solid portion of the body registers with one of the inlet or outlet ports, thereby blocking communication through the AAV between the upper and lower annulus access bores.
A flexible pipe body comprising an elongate curvature sensor and a tensile armour layer. The elongate curvature sensor incorporates a strain sensor arranged to provide an indication of bending strain applied to the curvature sensor. The tensile armour layer comprises helically wound tensile armour wires. The curvature sensor is positioned within the tensile armour layer helically wound adjacent to at least one tensile armour wire such that bending strain applied to the flexible pipe body is transmitted to the curvature sensor The curvature sensor is smaller than an adjacent tensile armour wire in at least one of depth and width and arranged to slide longitudinally relative to the adjacent tensile armour wire.
G01M 5/00 - Investigating the elasticity of structures, e.g. deflection of bridges or aircraft wings
F16L 11/08 - Hoses, i.e. flexible pipes made of rubber or flexible plastics with reinforcements embedded in the wall
F16L 11/12 - Hoses, i.e. flexible pipes made of rubber or flexible plastics with arrangements for particular purposes, e.g. specially profiled, with protecting layer, heated, electrically conducting
A method of detecting an incursion in relation to a subsea asset, comprising providing sensing means in association with the asset to produce an indication in response to the presence of an object, providing processing means to process indications from the sensing means and providing means which use results of the processing to provide an output characteristic of the object.
A method of supplying chemicals to an underwater location via a supply line (1), the method comprising the steps of: at a first end (13) of the supply line, supplying a chemical mixture comprising at least two non-identical chemicals; and at a second end (3) of the supply line, separating the chemical mixture into its constituent chemicals, wherein the first end of the supply line is located at a surface location and the second end of the supply line is located at an underwater location.
E21B 37/06 - Methods or apparatus for cleaning boreholes or wells using chemical means for preventing or limiting the deposition of paraffins or like substances
Apparatus and a method are disclosed for limiting contact pressure between a flexible pipe and a bending guide member. The apparatus includes a bending guide member extending over a covered region of a flexible pipe in which the flexible pipe can bend wherein a gap between an inner surface of the bending guide member and an outer surface on the flexible pipe in at least a portion of the covered region is tapered and narrows towards an unconstrained end of the bending guide member.
A detection apparatus and method arranged to detect defects within a flexible pipe at least partially surrounded by seawater. The detection apparatus comprises a seawater electrode, an impedance monitor and a processor. The seawater electrode is arranged to be in contact with seawater surrounding at least part of a flexible pipe. The impedance monitor is arranged to measure the impedance between a metallic structural component of the flexible pipe extending at least partially along the length of the flexible pipe and the seawater electrode in response to an electrical test signal applied to the seawater electrode. The processor is arranged to determine the distance from the seawater electrode to a pipe defect electrically connecting the metallic structural component to seawater using the measured impedance.
G01M 3/18 - Investigating fluid tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using electric detection means for pipes, cables, or tubesInvestigating fluid tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using electric detection means for pipe joints or sealsInvestigating fluid tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using electric detection means for valves
G01N 17/02 - Electrochemical measuring systems for weathering, corrosion or corrosion-protection measurement
G01N 27/02 - Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance
A hydraulic accumulator assembly (1) in which a hydraulic accumulator (2) is associated with at least one sensing device (4, 7, 11 or 12) configured to provide an indication of the displacement of an internal divider (3 or 10) within the accumulator to provide an indication of the volume of gas within the hydraulic accumulator.
Apparatus for providing a predetermined fluid in a void space (450) of an annulus (320) of a flexible pipe and a method for providing a predetermined fluid in a void space of an annulus are disclosed. The method comprises introducing a predetermined fluid into at least one fluid communication passageway (120), e.g. an elongated conduit, in an annulus (320) of a flexible pipe and, via the passageway (120), communicating the fluid into a void space (450) of the annulus at a plurality of axially spaced apart locations, e.g. via a plurality of spaced apart openings in the wall of the elongated conduit, and at a pressure of less than about around 80 psi.
E21B 17/18 - Pipes provided with plural fluid passages
F16L 11/12 - Hoses, i.e. flexible pipes made of rubber or flexible plastics with arrangements for particular purposes, e.g. specially profiled, with protecting layer, heated, electrically conducting
09 - Scientific and electric apparatus and instruments
Goods & Services
(1) Computer application software for portable devices and computers, namely, software for real time project information visualization and sharing in the Oil and Gas industry
A composite for use in a flexible pipe body, said composite comprising : a first polymer layer, a second polymer layer that is bonded to the first polymer layer, and filler particles that extend from the first polymer layer into the second polymer layer, whereby the particles are partially embedded in both the first and second polymer layers.
B32B 27/08 - Layered products essentially comprising synthetic resin as the main or only constituent of a layer next to another layer of a specific substance of synthetic resin of a different kind
B32B 27/20 - Layered products essentially comprising synthetic resin characterised by the use of special additives using fillers, pigments, thixotroping agents
A flexible pipe body and method of producing a flexible pipe body, the flexible pipe body including a collapse resistant layer comprising a radially inner surface and a radially outer surface, the radially inner surface comprising a plurality of substantially regular protrusions and/or depressions extending in a direction perpendicular to a tangent of the radially inner surface, for breaking up a boundary layer of fluid flowing along the flexible pipe body in use.
B31B 19/26 - Machinery characterised by making rectangular envelopes or bags of flat form, i.e. without structural provision at the base for thickness of contents and having means for folding sheets, blanks, or webs
92.
Sleeve member, end fitting assembly and method of assembly of flexible pipe
A sleeve member, end fitting assembly, and a method of assembly of a flexible pipe are disclosed. The sleeve member includes a body comprising a substantially cylindrical portion having an inner diameter substantially equal to an outside diameter of a first pipe body layer for overlying the first pipe body layer; and a flange portion extending radially outwards from the body for locating between a further pipe body layer and an end fitting, the further pipe body layer being an armor layer, the flange portion having an outer diameter substantially equal to or greater than the outer diameter of the further pipe body layer.
F16L 33/01 - Arrangements for connecting hoses to rigid membersRigid hose-connectors, i.e. single members engaging both hoses specially adapted for hoses having a multi-layer wall
G01M 3/28 - Investigating fluid tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for pipes, cables, or tubesInvestigating fluid tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for pipe joints or sealsInvestigating fluid tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for valves
A method and apparatus are disclosed for monitoring an annulus region of at least one flexible pipe. The apparatus comprises a sampling chamber comprising a sampling zone and a monitoring system that determines a concentration value for at least one target gas species in the sampling zone. The sampling zone is selectively connectable to a one of a plurality of fluid sampling passageways in fluid communication with an annulus region of a respective one, of at least one, flexible pipe, to provide fluid from the annulus region in the sampling zone via the connected sampling passageway.
G01M 3/22 - Investigating fluid tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using special tracer materials, e.g. dye, fluorescent material, radioactive material for pipes, cables, or tubesInvestigating fluid tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using special tracer materials, e.g. dye, fluorescent material, radioactive material for pipe joints or sealsInvestigating fluid tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using special tracer materials, e.g. dye, fluorescent material, radioactive material for valves
G01N 1/22 - Devices for withdrawing samples in the gaseous state
G01N 1/26 - Devices for withdrawing samples in the gaseous state with provision for intake from several spaces
An assembly and method of testing the integrity of a sealing ring of a flexible pipe are disclosed. The method includes locating a first sealing ring adjacent a first collar member and a layer of flexible pipe body; energizing the first sealing ring by urging the sealing ring towards a primary pressure-retaining end fitting component, or by urging the pressure-retaining component towards the sealing ring; locating a second sealing ring adjacent the first collar member and a second collar member; energizing the second sealing ring by urging the sealing ring towards the pressure-retaining component, or by urging the pressure-retaining component towards the sealing ring; and pressurizing the region between the first sealing ring and the second sealing ring through a port extending towards the region to a predetermined pressure of 5 MPa or greater.
F16L 33/18 - Arrangements for connecting hoses to rigid membersRigid hose-connectors, i.e. single members engaging both hoses characterised by the use of additional sealing means
G01M 3/28 - Investigating fluid tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for pipes, cables, or tubesInvestigating fluid tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for pipe joints or sealsInvestigating fluid tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for valves
F16L 33/01 - Arrangements for connecting hoses to rigid membersRigid hose-connectors, i.e. single members engaging both hoses specially adapted for hoses having a multi-layer wall
A flexible pipe, a method of testing a seal and an end fitting are disclosed. The flexible pipe comprises a segment of flexible pipe body (100) comprising a first pipe body end and a further pipe body end and at least one end fitting (305) comprising at least one external port (330) and a corresponding fluid communication passageway extending between the port and a location between a pair of spaced apart seal elements (355,360) sealed against at least one internal fluid retaining layer (364) of the flexible pipe body. The fluid communication pathway is pressure resistant to at least about around 1400 psi for communicating pressure between the external port and the location between the pair of spaced apart seal elements.
F16L 11/08 - Hoses, i.e. flexible pipes made of rubber or flexible plastics with reinforcements embedded in the wall
F16L 17/10 - Joints with packing adapted to sealing by fluid pressure the packing being sealed by the pressure of a fluid other than the fluid in or surrounding the pipe
F16L 33/01 - Arrangements for connecting hoses to rigid membersRigid hose-connectors, i.e. single members engaging both hoses specially adapted for hoses having a multi-layer wall
A pipeline apparatus comprising a flexible pipe body and a detection apparatus. The flexible pipe body includes an optical fibre extending at least partially along the length of the flexible pipe body, the optical fibre being encased in a metal tube. The detection apparatus comprises an optical sensor and an electrical sensor. The optical sensor is coupled to a first end of the optical fibre, the optical sensor being arranged to inject optical pulses into the optical fibre and to detect scattered or reflected light. The electrical sensor is coupled to a first end of the metal tube and to detect variation of an electrical impedance between the first end of the metal tube and a separate terminal. Variation of the scattered or reflected light, or impedance variation, is indicative of a potential pipe body defect.
G01M 3/18 - Investigating fluid tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using electric detection means for pipes, cables, or tubesInvestigating fluid tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using electric detection means for pipe joints or sealsInvestigating fluid tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using electric detection means for valves
G01M 3/38 - Investigating fluid tightness of structures by using light
A detection apparatus arranged to detect defects within a flexible pipe body. The detection apparatus comprises an electrical power supply and a first meter. The electrical power supply is arranged to couple between, and to supply current to, first and second electrically conductive members extending at least partially along the length of a flexible pipe body and electrically isolated from one another except for being electrically connected at a point remote from the power supply. The first meter is arranged to detect variation between the current flowing in each electrically conductive member. Detected variation is indicative of a pipe body defect causing an Earth fault along one of the electrically conductive members. A corresponding method, a pipeline apparatus including the detection apparatus and a method of forming the pipeline apparatus are also disclosed.
G01M 3/18 - Investigating fluid tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using electric detection means for pipes, cables, or tubesInvestigating fluid tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using electric detection means for pipe joints or sealsInvestigating fluid tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using electric detection means for valves
A method of producing a flexible pipe body, said method comprising extruding a polyethylene composition comprising a carbon-carbon thermal initiator to form a tubular layer, cross-linking the tubular layer, and applying an armour layer around the cross-linked tubular layer.
F16L 11/14 - Hoses, i.e. flexible pipes made of rigid material, e.g. metal or hard plastics
F16L 11/18 - Articulated hoses, e.g. composed of a series of rings
F16L 33/01 - Arrangements for connecting hoses to rigid membersRigid hose-connectors, i.e. single members engaging both hoses specially adapted for hoses having a multi-layer wall
B05D 7/22 - Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials to internal surfaces, e.g. of tubes
A method and apparatus for generating electrical power are disclosed. The method includes the steps of turning turbine blades of at least one turbine provided at a region of a subsea pipe or umbilical via a respective motion of seawater through a swept area associated with the turbine blades and generating electrical power responsive to turning of the turbine blades.
F03B 13/00 - Adaptations of machines or engines for special useCombinations of machines or engines with driving or driven apparatusPower stations or aggregates
H02K 7/18 - Structural association of electric generators with mechanical driving motors, e.g.with turbines
A flexible pipe comprising a tubular layer comprising a polymer that is crosslinked to a greater degree at an outer region of the tubular layer than at an inner region of the tubular layer, wherein the outer region is defined by the outer surface of the tubular layer to a depth of 5% of the total thickness of the tubular layer and the inner region is defined by the inner surface of the tubular layer to a depth of 5% of the total thickness of the tubular layer.
F16L 11/08 - Hoses, i.e. flexible pipes made of rubber or flexible plastics with reinforcements embedded in the wall
B32B 5/14 - Layered products characterised by the non-homogeneity or physical structure of a layer characterised by a layer differing constitutionally or physically in different parts, e.g. denser near its faces
B29C 35/08 - Heating or curing, e.g. crosslinking or vulcanising by wave energy or particle radiation
