An underwater variable buoyancy member includes a tubular configured for underwater disposal and having a longitudinal axis with an internal bore. The internal bore is configured to receive a conduit in coaxial alignment with the longitudinal axis of the tubular, wherein the conduit is configured for conveyance of fluids. The tubular has a wall section configured to contain a gas and a liquid therein. The wall section is configured to receive the gas under pressure to permit selective buoyancy adjustment of the tubular. An underwater variable buoyancy system and method for buoying an underwater conduit.
E21B 17/01 - Colonnes montantes pour têtes de puits immergées
E21B 7/132 - Forage sous l'eau à partir d'un support flottant sous la surface de l'eau
E21B 43/01 - Procédés ou dispositifs pour l'extraction de pétrole, de gaz, d'eau ou de matériaux solubles ou fusibles ou d'une suspension de matières minérales à partir de puits spécialement adaptés à l'extraction à partir d'installations sous l'eau
A blowout preventer including a main body having a through bore; an insert having a first segment and a second segment defining a passage between the segments oriented transverse to the through bore; the first segment and the second segment each configured with a plurality of seals to restrict fluid flow from the though bore, wherein each seal is configured for energization; a cutter configured for motion to sever objects in the through bore; a gate configured for motion in the transverse passage; and a charge configured for activation to propel the gate to move the cutter across the through bore. A method of operating a blowout preventer.
E21B 29/00 - Découpage ou destruction de tubes, packers, bouchons ou câbles, situés dans les trous de forage ou dans les puits, p. ex. découpage de tubes endommagés, de fenêtresDéformation des tubes dans les trous de forageRemise en état des tubages de puits sans les retirer du sol
A blowout preventer actuation system including at least one hydraulically actuated blowout preventer; a kinetic blowout preventer configured with an initiator; at least one sensor disposed on the kinetic blowout preventer and configured to monitor an internal pressure parameter therein; wherein the at least one hydraulically actuated blowout preventer and the kinetic blowout preventer are configured for: (a) simultaneous actuation if the internal pressure parameter is at or below a predefined level; or (b) actuation of only the at least one hydraulically actuated blowout preventer if the internal pressure parameter is above the predefined level. A method for actuating a blowout preventer.
Fluid pressure control systems and methods including a vessel having one or more internal passages configured to sustain a fluid under pressure, a fluid pressurization unit configured to link to the vessel to increase the pressure of a fluid in the internal passage(s). The fluid pressurization unit is configured for selective and repeated pressurization of the fluid in the internal passage(s).
A valve has a body having a through bore. A gate is disposed in a passage transverse to the through bore, with the gate configured for motion between a position with an opening on the gate coincident with the through bore to permit fluid flow via the through bore and a position to restrict fluid flow via the through bore. The gate is configured for motion along the transverse passage in one direction in response to a first force acting on the gate and in another direction in response to a second force acting on the gate. A method of operating a valve.
F16K 3/314 - Formes ou structures de la partie coulissanteSa fixation sur sa tige
F16K 3/02 - Robinets-vannes ou tiroirs, c.-à-d. dispositifs obturateurs dont l'élément de fermeture glisse le long d'un siège pour l'ouverture ou la fermeture à faces d'obturation planesGarnitures d'étanchéité à cet effet
F16K 27/04 - Structures des logementsMatériaux utilisés à cet effet des tiroirs
A valve has a body having a through bore. A valve member is disposed in a passage transverse to the through bore, with the member configured for motion between a position with an opening on the member coincident with the through bore to permit fluid flow via the through bore and a position to restrict fluid flow via the through bore. The valve member is configured for motion along the transverse passage in one direction in response to a first force acting on the member and in another direction in response to a second force acting on the member. A method of operating a valve.
F16K 3/02 - Robinets-vannes ou tiroirs, c.-à-d. dispositifs obturateurs dont l'élément de fermeture glisse le long d'un siège pour l'ouverture ou la fermeture à faces d'obturation planesGarnitures d'étanchéité à cet effet
F16K 27/04 - Structures des logementsMatériaux utilisés à cet effet des tiroirs
F16K 35/06 - Dispositions empêchant la mise en action accidentelle ou non autorisée utilisant un organe de commande ou de verrouillage démontable, p. ex. une clé
E21B 34/02 - Aménagements des vannes pour les trous de forage ou pour les puits dans les têtes de puits
A blowout preventer includes a main body having a through bore and defining a passage transverse to the through bore. At least one seal is configured for positioning with an opening on the seal coincident with the through bore. The at least one seal being disposed to engage an element disposed in the transverse passage. The at least one seal being configured to receive a fluid under pressure to energize the seal to restrict fluid flow between the through bore and the transverse passage when the element is disposed proximate the through bore. A method for operating a blowout preventer.
A multi-piece seal includes a first seal body formed as a loop, a second seal body formed as a loop, and a third seal body formed as a loop. The second seal body and the third seal bodies are disposed within the loop of the first seal body, forming an assembly. The assembly includes at least one internal channel, with an insert disposed within the channel. A method for sealing between a first component and a second component.
F16L 17/02 - Raccords avec garnitures adaptées à une étanchéité par pression de fluide avec segments d'étanchéité disposés entre la surface extérieure du tuyau et la surface intérieure d'un manchon ou d'une douille
F16L 17/03 - Raccords avec garnitures adaptées à une étanchéité par pression de fluide avec segments d'étanchéité disposés entre la surface extérieure du tuyau et la surface intérieure d'un manchon ou d'une douille à lèvres annulaires axiales
F16L 17/04 - Raccords avec garnitures adaptées à une étanchéité par pression de fluide avec segments d'étanchéité disposés entre la surface extérieure du tuyau et la surface intérieure d'un manchon ou d'une douille le manchon étant fendu ou fractionné dans le sens longitudinal
F16L 17/06 - Raccords avec garnitures adaptées à une étanchéité par pression de fluide avec segments d'étanchéité disposés entre les surfaces d'extrémité des tuyaux ou des brides, ou disposés dans des chambrages pratiqués dans les extrémités des tuyaux ou des brides
A valve with a body having a through bore for fluid passage. The body has a plurality of passages transverse to the through bore. At least two of the transverse passages each have a gate disposed therein configured for motion along the passage between a position to permit fluid flow along the through bore and a position to restrict fluid flow along the through bore. Each gate is configured for motion along the transverse passage in one direction in response to a first force acting on the gate and in another direction in response to a second force acting on the gate.
F16K 3/02 - Robinets-vannes ou tiroirs, c.-à-d. dispositifs obturateurs dont l'élément de fermeture glisse le long d'un siège pour l'ouverture ou la fermeture à faces d'obturation planesGarnitures d'étanchéité à cet effet
F16K 11/22 - Soupapes ou clapets à voies multiples, p. ex. clapets mélangeursRaccords de tuyauteries comportant de tels clapets ou soupapesAménagement d'obturateurs et de voies d'écoulement spécialement conçu pour mélanger les fluides dont plusieurs éléments de fermeture ne se déplacent pas comme un tout actionnés par des organes de commande distincts chacun étant propre à une soupape, p. ex. conjugués pour former clapet à voies multiples
F16K 3/314 - Formes ou structures de la partie coulissanteSa fixation sur sa tige
E21B 34/02 - Aménagements des vannes pour les trous de forage ou pour les puits dans les têtes de puits
An explosion proof pump system includes an explosion proof enclosure disposed on a frame. The explosion proof enclosure houses a plurality of batteries and an electric motor configured to receive power from the batteries. A pump is disposed outside of the explosion proof enclosure and configured to receive fluid from a fluid source. The electric motor has a shaft extending through an opening in the explosion proof enclosure. The pump is configured for actuation via the electric motor shaft to output the received fluid under pressure.
F04D 13/06 - Ensembles comprenant les pompes et leurs moyens d'entraînement la pompe étant entraînée par l'électricité
F04B 17/03 - Pompes caractérisées par leur combinaison avec des machines motrices ou moteurs particuliers qui les entraînent ou par leur adaptation à ceux-ci entraînées par des moteurs électriques
H02K 5/136 - Enveloppes ou enceintes caractérisées par leur configuration, leur forme ou leur construction spécialement adaptées à un fonctionnement dans un liquide ou dans un gaz à l'épreuve des explosions
A modular blowout preventer includes a first chamber, a main body, and a second chamber all mated together and held fast via a plurality of braces linking the first chamber to the second chamber. The main body having a through bore and a passage transverse to the through bore running across all three modular components. A shearing element is configured to sever objects in the through bore.
Releasable tubular couplings entailing spring-based designs providing a mechanical solution for linking/coupling tubulars. A method for forming a releasable coupling between a first tubular member and a second tubular member.
A blowout preventer actuation system has a frame configured for underwater disposal, with a kinetic blowout preventer and at least one hydraulically actuated blowout preventer mounted thereon. The kinetic blowout preventer is configured with an electrically operated initiator. An interface module is disposed on the frame for signal communication with the electrically operated initiator. The interface module is configured to generate an actuation signal to actuate the initiator upon detection of the at least one of an electrical signal, an acoustic signal, and a hydraulic signal. A method for actuating a blowout preventer.
Cutters for severing objects in a bore. The cutters having a planar body with an opening passing from a top surface through a bottom surface, with the opening encircled by the body. A cutting edge is disposed on a side of the opening proximate a back end of the body. The cutting edge having a layer thereon to sealingly cover the edge. The body is configured for placement with the opening coincident with a bore in a housing and for movement across the bore. The body is configured to receive a propelled member to make contact with the body to transfer kinetic energy from the member to the body to move the body across the bore for the cutting edge to pass through the layer thereon and sever any object in the bore. A method for severing objects in a bore.
E21B 29/00 - Découpage ou destruction de tubes, packers, bouchons ou câbles, situés dans les trous de forage ou dans les puits, p. ex. découpage de tubes endommagés, de fenêtresDéformation des tubes dans les trous de forageRemise en état des tubages de puits sans les retirer du sol
A blowout preventer actuation system has a frame configured for underwater disposal, with a kinetic blowout preventer and at least one hydraulically actuated blowout preventer mounted thereon. The kinetic blowout preventer is configured with an electrically operated initiator. An interface module is disposed on the frame for signal communication with the electrically operated initiator. The interface module is configured to generate an actuation signal to actuate the initiator upon detection of the at least one of an electrical signal, an acoustic signal, and a hydraulic signal. A method for actuating a blowout preventer.
Cutters for severing objects in a bore. The cutters having a planar body with an opening passing from a top surface through a bottom surface, with the opening encircled by the body. A cutting edge is disposed on a side of the opening proximate a back end of the body. The cutting edge having a layer thereon to sealingly cover the edge. The body is configured for placement with the opening coincident with a bore in a housing and for movement across the bore. The body is configured to receive a propelled member to make contact with the body to transfer kinetic energy from the member to the body to move the body across the bore for the cutting edge to pass through the layer thereon and sever any object in the bore. A method for severing objects in a bore.
E21B 29/00 - Découpage ou destruction de tubes, packers, bouchons ou câbles, situés dans les trous de forage ou dans les puits, p. ex. découpage de tubes endommagés, de fenêtresDéformation des tubes dans les trous de forageRemise en état des tubages de puits sans les retirer du sol
A blowout preventer includes a main body having a through bore and defining a passage transverse to the through bore. At least one seal is configured for positioning with an opening on the seal coincident with the through bore. The at least one seal being disposed to engage an element disposed in the transverse passage. The at least one seal being configured to receive a fluid under pressure to energize the seal to restrict fluid flow between the through bore and the transverse passage when the element is disposed proximate the through bore. A method for operating a blowout preventer.
A conduit apparatus with a body, a first surface, and a second surface opposite the first surface. The apparatus having a through bore providing a conduit between the first and second surfaces. A gate is disposed in a passage transverse to the through bore and configured for positioning with an opening on the gate coincident with the through bore. The gate opening is configured with a cutting surface, and the conduit body has an internal fluid passage to channel fluid to actuate the gate to move the cutting surface across the through bore. A method of operating a conduit.
E21B 29/08 - Découpage ou déformation des tuyaux pour commander l'écoulement du fluide
F16J 15/16 - Joints d'étanchéité entre deux surfaces mobiles l'une par rapport à l'autre
F16K 3/02 - Robinets-vannes ou tiroirs, c.-à-d. dispositifs obturateurs dont l'élément de fermeture glisse le long d'un siège pour l'ouverture ou la fermeture à faces d'obturation planesGarnitures d'étanchéité à cet effet
F16K 3/314 - Formes ou structures de la partie coulissanteSa fixation sur sa tige
A rapidly separable conduit includes a pair of linked coupling members forming a fluid conduit with a primary through bore. The coupling members are each configured with passages to form secondary through bores separate and apart from the primary through bore. Explosively frangible fasteners configured for electronic triggering to set off explosive charges maintain the coupling members joined together. The explosively charges are sealed off from the external environment. Methods for rapidly separating a conduit.
E21B 29/12 - Découpage ou destruction de tubes, packers, bouchons ou câbles, situés dans les trous de forage ou dans les puits, p. ex. découpage de tubes endommagés, de fenêtresDéformation des tubes dans les trous de forageRemise en état des tubages de puits sans les retirer du sol spécialement adapté aux installations sous-l'eau
E21B 33/038 - Connecteurs utilisés sur les têtes de puits, p. ex. pour relier l'obturateur anti-éruption et la colonne montante dans l'eau
A valve with a body having a through bore for fluid passage. The body has a plurality of passages transverse to the through bore. At least two of the transverse passages each have a gate disposed therein configured for motion along the passage between a position to permit fluid flow along the through bore and a position to restrict fluid flow along the through bore. Each gate is configured for motion along the transverse passage in one direction in response to a first force acting on the gate and in another direction in response to a second force acting on the gate.
F16K 3/18 - Robinets-vannes ou tiroirs, c.-à-d. dispositifs obturateurs dont l'élément de fermeture glisse le long d'un siège pour l'ouverture ou la fermeture à faces d'obturation planesGarnitures d'étanchéité à cet effet avec dispositions particulières pour tenir écartées les faces d'obturation ou pour les presser l'une contre l'autre du fait du mouvement des éléments de fermeture
F16K 11/22 - Soupapes ou clapets à voies multiples, p. ex. clapets mélangeursRaccords de tuyauteries comportant de tels clapets ou soupapesAménagement d'obturateurs et de voies d'écoulement spécialement conçu pour mélanger les fluides dont plusieurs éléments de fermeture ne se déplacent pas comme un tout actionnés par des organes de commande distincts chacun étant propre à une soupape, p. ex. conjugués pour former clapet à voies multiples
F16K 3/02 - Robinets-vannes ou tiroirs, c.-à-d. dispositifs obturateurs dont l'élément de fermeture glisse le long d'un siège pour l'ouverture ou la fermeture à faces d'obturation planesGarnitures d'étanchéité à cet effet
A pressure control device includes a housing having an annular through bore. A removable insert is mounted within the housing through bore. The insert has an annular through bore configured for passage of a tubular therethrough such that the tubular traverse through the housing ends. The insert includes at least one seal to restrict fluid passage along the housing through bore when the insert is disposed within the housing through bore. A method for operating a pressure control device.
Fluid pressure control systems and methods including a vessel having one or more internal passages configured to sustain a fluid under pressure, a fluid pressurization unit configured to link to the vessel to increase the pressure of a fluid in the internal passage(s). The fluid pressurization unit is configured for selective and repeated pressurization of the fluid in the internal passage(s).
E21B 34/04 - Aménagements des vannes pour les trous de forage ou pour les puits dans les têtes de puits dans les têtes de puits situées sous l'eau
F15B 15/14 - Dispositifs actionnés par fluides pour déplacer un organe d'une position à une autreTransmission associée à ces dispositifs caractérisés par la structure de l'ensemble moteur le moteur étant du type à cylindre droit
A valve has a body having a through bore. A gate is disposed in a passage transverse to the through bore, with the gate configured for motion between a position with an opening on the gate coincident with the through bore to permit fluid flow via the through bore and a position to restrict fluid flow via the through bore. The gate is configured for motion along the transverse passage in one direction in response to a first force acting on the gate and in another direction in response to a second force acting on the gate. A method of operating a valve.
F16K 3/00 - Robinets-vannes ou tiroirs, c.-à-d. dispositifs obturateurs dont l'élément de fermeture glisse le long d'un siège pour l'ouverture ou la fermeture
F16K 3/02 - Robinets-vannes ou tiroirs, c.-à-d. dispositifs obturateurs dont l'élément de fermeture glisse le long d'un siège pour l'ouverture ou la fermeture à faces d'obturation planesGarnitures d'étanchéité à cet effet
F16K 3/30 - Robinets-vannes ou tiroirs, c.-à-d. dispositifs obturateurs dont l'élément de fermeture glisse le long d'un siège pour l'ouverture ou la fermeture Détails
A blowout preventer includes a main body having a through bore and defining a passage transverse to the through bore. A seal is disposed in the main body and arranged to restrict fluid flow from the through bore to the passage. The seal comprises a seal body formed as a closed loop having an upper surface and a lower surface, wherein the seal body comprises an inner wall and an outer wall. The lower surface comprises at least one wing extending laterally from the outer surface to provide a lateral sealing surface. The upper surface comprises at least one raised portion to provide a sealing surface.
A tubular coupling including a first tubular member; a second tubular member configured to receive an end of the first tubular member to form a junction; and a locking sleeve disposed on the first tubular member. The locking sleeve including a plurality of dogs extending therefrom proximate an end of the sleeve. The second tubular member including a plurality of raised lugs on a surface thereof. At least one spring is disposed on the first tubular member and configured to facilitate rotation of the locking sleeve about a longitudinal axis of the first tubular member.
F16L 37/084 - Accouplements du type à action rapide dans lesquels l'assemblage entre les extrémités s'aboutant ou se chevauchant est maintenu par des organes de blocage combinés à un verrouillage automatique
An underwater robotic system includes a frame adapted to be deployed in a body of water and having guide rails and at least one movable rail movably coupled to the guide rails. An actuator module is movably coupled to the at least one movable rail. A control panel disposed proximate the frame and has a plurality of controls thereon. The plurality of controls is operable by an actuator on the actuator module. A position of each of the plurality of controls is known such that motion of the actuator module and the at least one movable rail is remotely controllable to actuate any chosen one of the plurality of controls.
A seal includes a seal body formed as a closed loop. The seal body having an upper surface and a lower surface. The seal body comprises an inner wall and an outer wall. The lower surface comprises an inner wing and an outer wing extending laterally from the outer surface to provide lateral sealing. The upper surface of the seal is configured to provide a sealing contact when the seal is urged into engagement via a fluid pressure.
F16J 15/46 - Joints d'étanchéité par bague de garniture dilatée ou comprimée dans son logement par pression d'un fluide, p. ex. garnitures gonflables
F16J 15/3232 - Joints d'étanchéité entre deux surfaces mobiles l'une par rapport à l'autre par joints élastiques, p. ex. joints toriques avec au moins une lèvre ayant plusieurs lèvres
F16J 15/3252 - Joints d'étanchéité entre deux surfaces mobiles l'une par rapport à l'autre par joints élastiques, p. ex. joints toriques pourvus d’armatures ou de supports avec armatures ou supports rigides
An initiator monitoring and actuating system includes a first power supply selectively electrically connectable to a charge initiator. The first power supply provides a current lower than an activation current of the initiator. A second power supply is selectively electrically connectable to the charge initiator. The second power supply provides a current of at least the activation current. Switches are selectively operable to connect the second power supply to a test circuit operable to measure a current generated by the second power supply. The switches are selectively operable to connect the second power supply to the charge initiator. A current sensor is operable to measure current through the test circuit and operable to measure current from the first power supply when the first power supply is connected to the charge initiator.
A connector may comprise a plurality of locking members arranged to engage and disengage a well tool. Each locking member may be selectively and individually actuated to engage and/or disengage the well tool while the connector is coupled to the well tool. The position of the individual locking members may be selectively determined. The position of the locking members may be viewed on a display for remote member actuation.
F16L 37/12 - Accouplements du type à action rapide dans lesquels l'assemblage entre les extrémités s'aboutant ou se chevauchant est maintenu par des organes de blocage utilisant des crochets, cliquet, ou autres organes de blocage mobiles ou que l'on peut insérer
F16L 37/62 - Accouplements du type à action rapide actionnés pneumatiquement ou hydrauliquement
E21B 33/038 - Connecteurs utilisés sur les têtes de puits, p. ex. pour relier l'obturateur anti-éruption et la colonne montante dans l'eau
A blowout preventer includes a main body having a through bore. A pressure chamber is located adjacent to and transverse to the through bore. A gate is disposed in the pressure chamber. An insert is disposed in the main body and defines an opening therethrough parallel to the through bore. The insert also defines a passage therethrough transverse to the through bore for passage of the gate.
E21B 29/02 - Découpage ou destruction de tubes, packers, bouchons ou câbles, situés dans les trous de forage ou dans les puits, p. ex. découpage de tubes endommagés, de fenêtresDéformation des tubes dans les trous de forageRemise en état des tubages de puits sans les retirer du sol au moyen d'explosifs ou par des moyens thermiques ou chimiques
A ram for a blowout preventer has a pressure chamber having a piston movably disposed therein, and a charge disposed at one end of the pressure chamber. A gate is coupled to the piston on a side opposed to the charge. The gate is arranged to move across a through bore in a housing disposed at an opposed end of the pressure chamber. A coupling between the piston and the gate has sufficient strength to transfer kinetic energy of the gate to the piston.
An underwater robotic system includes a frame for deployment in a body of water and having a control panel with multiple controls. A first actuator on the frame selectively actuates a control from a front side of the panel. A second actuator on the frame selectively actuates a control from a back side of the panel. One or more controls on the panel is configured to regulate distribution of a fluid. The frame is configured to couple to a blowout preventer. A method for robotic fluid distribution in an underwater environment.
An underwater robotic system includes a frame adapted to be deployed in a body of water and having guide rails and at least one movable rail movably coupled to the guide rails. An actuator module is movably coupled to the at least one movable rail. A control panel disposed proximate the frame and has a plurality of controls thereon. The plurality of controls is operable by an actuator on the actuator module. A position of each of the plurality of controls is known such that motion of the actuator module and the at least one movable rail is remotely controllable to actuate any chosen one of the plurality of controls.
A method for controlling pressure in a well includes pumping fluid into a riser extending between a drilling vessel and a wellhead, pumping fluid out of the riser to the drilling vessel by operating a first jet pump disposed in a conduit extending from the riser to the drilling vessel, wherein a rate of pumping power fluid into a power fluid inlet of the first jet pump is adjusted to maintain a liquid level in the drilling riser at a selected elevation.
E21B 21/08 - Commande ou surveillance de la pression ou de l'écoulement du fluide de forage, p. ex. remplissage automatique des trous de forage, commande automatique de la pression au fond
An underwater robotic system includes a frame for deployment in a body of water and having a control panel with multiple controls. A first actuator on the frame selectively actuates a control from a front side of the panel. A second actuator on the frame selectively actuates a control from a back side of the panel. One or more controls on the panel is configured to regulate distribution of a fluid. The frame is configured to couple to a blowout preventer. A method for robotic fluid distribution in an underwater environment.
A well pressure control device includes a housing having a through bore. A pressure chamber has a piston movably disposed therein. The pressure chamber is coupled at one end to the housing transversely to the through bore. The actuating piston defines a pressure source side and a through bore side of the pressure chamber. A fluid pressure source is coupled to the other end of the pressure chamber. A closure element is disposed in the pressure chamber on the through bore side. At least one locking element is coupled to the pressure chamber at an axial position along the pressure chamber on the through bore side.
A blowout preventer and method of operating a wellbore. The blowout preventer has a main body containing a wellbore, a passage transverse to the wellbore, a shearing device located in the passage; and a charge that, when activated, propels the shearing device along the passage and across the wellbore to close the wellbore and prevent a blowout.
A kinetic ram for a blowout preventer includes a pressure chamber having a piston movably disposed therein. A gas generating charge disposed at one end of the pressure chamber. A ram is coupled to the piston on a side of the piston opposed to the gas generating charge. The ram is arranged to move across a through bore in a blowout preventer housing disposed at an opposed end of the pressure chamber. An initial volume in the pressure chamber between the one end and the piston is chosen to limit a maximum pressure caused by actuating the gas generating charge to a predetermined maximum pressure, and/or the pressure chamber comprises a pressure relief device arranged to vent pressure in the pressure chamber above the maximum pressure.
A blowout preventer includes a main body having a through bore and defining a passage transverse to the through bore. A seal is disposed in the main body and arranged to restrict fluid flow from the through bore to the passage. The seal comprises a seal body formed as a closed loop having an upper surface and a lower surface, wherein the seal body comprises an inner wall and an outer wall. The lower surface comprises at least one wing extending laterally from the outer surface to provide a lateral sealing surface. The upper surface comprises at least one raised portion to provide a sealing surface.
A seal includes a seal body formed as a closed loop. The seal body having an upper surface and a lower surface. The seal body comprises an inner wall and an outer wall. The lower surface comprises an inner wing and an outer wing extending laterally from the outer surface to provide lateral sealing. The upper surface of the seal is configured to provide a sealing contact when the seal is urged into engagement via a fluid pressure.
F16J 15/12 - Joints d'étanchéité entre surfaces immobiles entre elles avec garniture solide comprimée entre les surfaces à joindre par garniture non métallique par renforcement ou couverture métallique
F16J 15/02 - Joints d'étanchéité entre surfaces immobiles entre elles
F16J 15/06 - Joints d'étanchéité entre surfaces immobiles entre elles avec garniture solide comprimée entre les surfaces à joindre
F16J 15/3232 - Joints d'étanchéité entre deux surfaces mobiles l'une par rapport à l'autre par joints élastiques, p. ex. joints toriques avec au moins une lèvre ayant plusieurs lèvres
F16J 15/3248 - Joints d'étanchéité entre deux surfaces mobiles l'une par rapport à l'autre par joints élastiques, p. ex. joints toriques pourvus d’armatures ou de supports
F16J 15/3256 - Joints d'étanchéité entre deux surfaces mobiles l'une par rapport à l'autre par joints élastiques, p. ex. joints toriques pourvus d’armatures ou de supports avec armatures ou supports rigides comprenant deux éléments d’armature ou de support, individuellement fixés sur chacune des surfaces, p. ex. joints de type cartouche
42.
Iris valve type well annular pressure control device and method
A well annular pressure control device includes a housing having a through bore and at least two iris valves within the housing. The iris valves comprise a plurality of vanes operable between an open position and a closed position to define an opening. At least one actuator is coupled to the plurality of vanes to move the plurality of vanes between the open position and the closed position.
E21B 21/08 - Commande ou surveillance de la pression ou de l'écoulement du fluide de forage, p. ex. remplissage automatique des trous de forage, commande automatique de la pression au fond
An initiator monitoring and actuating system includes a first power supply selectively electrically connectable to a charge initiator. The first power supply provides a current lower than an activation current of the initiator. A second power supply is selectively electrically connectable to the charge initiator. The second power supply provides a current of at least the activation current. Switches are selectively operable to connect the second power supply to a test circuit operable to measure a current generated by the second power supply. The switches are selectively operable to connect the second power supply to the charge initiator. A current sensor is operable to measure current through the test circuit and operable to measure current from the first power supply when the first power supply is connected to the charge initiator.
E21B 33/035 - Têtes de puitsLeur mise en place spécialement adaptées aux installations sous l'eau
E21B 33/064 - Obturateurs anti-éruption spécialement adaptés aux têtes de puits sous l'eau
E21B 34/06 - Aménagements des vannes pour les trous de forage ou pour les puits dans les puits
E21B 44/00 - Systèmes de commande automatique spécialement adaptés aux opérations de forage, c.-à-d. systèmes à fonctionnement autonome ayant pour rôle d'exécuter ou de modifier une opération de forage sans l'intervention d'un opérateur humain, p. ex. systèmes de forage commandés par ordinateurSystèmes spécialement adaptés à la surveillance de plusieurs variables ou conditions de forage
E21B 47/00 - Relevés dans les trous de forage ou dans les puits
A connector may comprise a plurality of locking members arranged to engage and disengage a well tool. Each locking member may be selectively and individually actuated to engage and/or disengage the well tool while the connector is coupled to the well tool. The position of the individual locking members may be selectively determined. The position of the locking members may be viewed on a display for remote member actuation.
E21B 33/035 - Têtes de puitsLeur mise en place spécialement adaptées aux installations sous l'eau
F16L 37/08 - Accouplements du type à action rapide dans lesquels l'assemblage entre les extrémités s'aboutant ou se chevauchant est maintenu par des organes de blocage
F16L 37/12 - Accouplements du type à action rapide dans lesquels l'assemblage entre les extrémités s'aboutant ou se chevauchant est maintenu par des organes de blocage utilisant des crochets, cliquet, ou autres organes de blocage mobiles ou que l'on peut insérer
F16L 37/62 - Accouplements du type à action rapide actionnés pneumatiquement ou hydrauliquement
A blowout preventer includes a main body having a through bore. A pressure chamber is located adjacent to and transverse to the through bore. A gate is disposed in the pressure chamber. An insert is disposed in the main body and defines an opening therethrough parallel to the through bore. The insert also defines a passage therethrough transverse to the through bore for passage of the gate.
A blowout preventer actuation apparatus has an interface module disposed proximate a kinetic blowout preventer. The blowout preventer has at least one electrically operated initiator in signal communication with the interface module. An interface module is in communication with at least two of an electrical signal communication channel, an acoustic signal communication channel and a hydraulic signal communication channel. Entry of a blowout preventer operating signal causes generation of an electrical signal, an acoustic signal or a hydraulic signal to be conducted to a corresponding one of the communication channels. The interface module is arranged to generate an actuation signal to actuate the at least one initiator upon detection of the electrical signal, an acoustic signal or hydraulic signal.
A blowout preventer includes a main body having a through bore. The main body has a passage oriented transversely to the through bore and extending into a pressure housing. A ring cutter is disposed in the passage and configured for movement along the passage. The ring cutter has an opening coincident with the through bore when the cutter is positioned proximate the through bore along the passage. The ring cutter comprises a cutter body, and a cutting edge disposed on a side of the opening toward the pressure housing. A gate is disposed in the pressure housing spaced apart from the ring cutter. A charge disposed between the gate and an end of the pressure housing.
An underwater robotic system includes a frame adapted to be deployed in a body of water and having guide rails and at least one movable rail movably coupled to the guide rails. An actuator module is movably coupled to the at least one movable rail. A control panel disposed proximate the frame and has a plurality of controls thereon. The plurality of controls is operable by an actuator on the actuator module. A position of each of the plurality of controls is known such that motion of the actuator module and the at least one movable rail is remotely controllable to actuate any chosen one of the plurality of controls.
A ram for a blowout preventer has a pressure chamber having a piston movably disposed therein, and a charge disposed at one end of the pressure chamber. A gate is coupled to the piston on a side opposed to the charge. The gate is arranged to move across a through bore in a housing disposed at an opposed end of the pressure chamber. A coupling between the piston and the gate has sufficient strength to transfer kinetic energy of the gate to the piston.
A coupling system includes a lower marine riser package having a connector at a bottom end and a blowout preventer having a connector at an upper end. Explosively frangible fasteners with explosively frangible nuts sealed off from the external environment are used to couple the connector on the lower marine riser package to the connector on the blowout preventer. A method for separating a lower marine riser package from a blowout preventer includes electronically triggering the detonation of a plurality of explosively frangible fasteners coupling the blowout preventer to the lower marine riser package.
A method for controlling pressure in a well includes pumping fluid into a riser extending between a drilling vessel and a wellhead, pumping fluid out of the riser to the drilling vessel by operating a first jet pump disposed in a conduit extending from the riser to the drilling vessel, wherein a rate of pumping power fluid into a power fluid inlet of the first jet pump is adjusted to maintain a liquid level in the drilling riser at a selected elevation.
E21B 21/08 - Commande ou surveillance de la pression ou de l'écoulement du fluide de forage, p. ex. remplissage automatique des trous de forage, commande automatique de la pression au fond
A blowout preventer has a main body having a through bore. A housing is mounted to the main body and defines a passage connected to and transverse to the through bore. An isolation ring cutter is initially disposed around the through bore and closes the passage to fluid flow. The isolation ring cutter is movable along the passage and has an opening coincident with the through bore. A piston and gate are disposed in the passage spaced apart from the isolation ring cutter. A propellant charge is disposed between the piston and an end.
A well pressure control device includes a housing having a through bore. A pressure chamber has a piston movably disposed therein. The pressure chamber is coupled at one end to the housing transversely to the through bore. The actuating piston defines a pressure source side and a through bore side of the pressure chamber. A fluid pressure source is coupled to the other end of the pressure chamber. A closure element is disposed in the pressure chamber on the through bore side. At least one locking element is coupled to the pressure chamber at an axial position along the pressure chamber on the through bore side
A blowout preventer and method of closing a wellbore. The blowout prevented has a main body containing a wellbore, a passage transverse to the wellbore, a shearing device located in the passage; and a charge that, when activated, propels the shearing device along the passage and across the wellbore to close the wellbore and prevent a blowout.
A rotary drive actuator for an annular well pressure control device includes a piston having a tapered inner surface, a through bore and a threaded outer surface. A threaded sleeve having a threaded inner surface is in threaded engagement with the threaded outer surface of the piston. A rotary motor is arranged to rotate the threaded sleeve, whereby rotation of the rotary motor causes corresponding axial motion of the piston.
A kinetic ram for a blowout preventer includes a pressure chamber having a piston movably disposed therein. A gas generating charge disposed at one end of the pressure chamber. A ram is coupled to the piston on a side of the piston opposed to the gas generating charge. The ram is arranged to move across a through bore in a blowout preventer housing disposed at an opposed end of the pressure chamber. A initial volume in the pressure chamber between the one end and the piston is chosen to limit a maximum pressure caused by actuating the gas generating charge to a predetermined maximum pressure, and/or the pressure chamber comprises a pressure relief device arranged to vent pressure in the pressure chamber above the maximum pressure.
A well annular pressure control device includes a housing having a through bore and at least one iris valve within the housing. The iris valve comprises a plurality of vanes operable between an open position and a closed position to define an opening. An actuator is coupled to the plurality of vanes to move the plurality of vanes between the open position and the closed position.
E21B 21/10 - Aménagements des vannes dans les systèmes de circulation des fluides de forage
E21B 34/06 - Aménagements des vannes pour les trous de forage ou pour les puits dans les puits
F16K 3/03 - Robinets-vannes ou tiroirs, c.-à-d. dispositifs obturateurs dont l'élément de fermeture glisse le long d'un siège pour l'ouverture ou la fermeture à faces d'obturation planesGarnitures d'étanchéité à cet effet dont l'élément de fermeture est en forme de diaphragme iris
F16K 3/18 - Robinets-vannes ou tiroirs, c.-à-d. dispositifs obturateurs dont l'élément de fermeture glisse le long d'un siège pour l'ouverture ou la fermeture à faces d'obturation planesGarnitures d'étanchéité à cet effet avec dispositions particulières pour tenir écartées les faces d'obturation ou pour les presser l'une contre l'autre du fait du mouvement des éléments de fermeture
58.
KINETIC SHEAR RAM FOR WELL PRESSURE CONTROL APPARATUS
A blowout preventer has a main body having a through bore. A housing is mounted to the main body and defines a passage connected to and transverse to the through bore. An isolation ring cutter is initially disposed around the through bore and closes the passage to fluid flow. The isolation ring cutter is movable along the passage and has an opening coincident with the through bore. A piston and gate are disposed in the passage spaced apart from the isolation ring cutter. A propellant charge is disposed between the piston and an end.
09 - Appareils et instruments scientifiques et électriques
Produits et services
Subterranean well pressure control devices, namely, blowout preventers including kinetic shear rams and intelligent hydraulic pumping and control for hydraulically operated rams
60.
ROTARY DRIVE ACTUATOR FOR AN ANNULAR WELLBORE PRESSURE CONTROL DEVICE
A rotary drive actuator for an annular well pressure control device includes a piston having a tapered inner surface, a through bore and a threaded outer surface. A threaded sleeve having a threaded inner surface is in threaded engagement with the threaded outer surface of the piston. A rotary motor is arranged to rotate the threaded sleeve, whereby rotation of the rotary motor causes corresponding axial motion of the piston.
A coupling system includes a lower marine riser package having a connector at a bottom end and at least one blowout preventer pressure control element coupled to a wellhead and having a connector at an upper end. Explosively frangible fasteners are used to couple the connector on the lower marine riser package to the connector on the at least one blowout preventer pressure control element. A method for separating a lower marine riser package from a blowout preventer coupled to a subsea wellhead includes closing a least one pressure control element in the blowout preventer. At least one explosively frangible fastener coupling the blowout preventer to the lower marine riser package is detonated. The lower marine riser package is then lifted from the blowout preventer.
E21B 33/035 - Têtes de puitsLeur mise en place spécialement adaptées aux installations sous l'eau
E21B 33/064 - Obturateurs anti-éruption spécialement adaptés aux têtes de puits sous l'eau
E21B 43/01 - Procédés ou dispositifs pour l'extraction de pétrole, de gaz, d'eau ou de matériaux solubles ou fusibles ou d'une suspension de matières minérales à partir de puits spécialement adaptés à l'extraction à partir d'installations sous l'eau
E21B 29/12 - Découpage ou destruction de tubes, packers, bouchons ou câbles, situés dans les trous de forage ou dans les puits, p. ex. découpage de tubes endommagés, de fenêtresDéformation des tubes dans les trous de forageRemise en état des tubages de puits sans les retirer du sol spécialement adapté aux installations sous-l'eau
a shearing device located in the passage; and a charge that, when activated, propels the shearing device along the passage and across the wellbore to close the wellbore and prevent a blowout.
A blowout preventer includes a main housing containing a through bore. A first chamber is arranged transverse to the through bore. A second chamber is transverse to the through bore and is diametrically opposed to the first chamber. A first shearing device is located in the first chamber and a second shearing device located in the second chamber. The blowout preventer includes a charge that when activated propels each shearing device along its respective chamber and across the through bore into the opposing chamber, such that the first and second shearing devices are adjacent each other.
A choke and kill system, and a method of adapting a low pressure drilling rig for use in a high pressure application are described. The system has a low pressure stack and a high pressure blowout preventer stack fluidly connected to the low pressure stack. A choke is fluidly connected to a low pressure choke line of the low pressure stack and is connected to a high pressure choke line of the high pressure blowout preventer stack. The choke is adapted to reduce the pressure from the high pressure choke line to the low pressure choke line.
E21B 21/08 - Commande ou surveillance de la pression ou de l'écoulement du fluide de forage, p. ex. remplissage automatique des trous de forage, commande automatique de la pression au fond
E21B 33/038 - Connecteurs utilisés sur les têtes de puits, p. ex. pour relier l'obturateur anti-éruption et la colonne montante dans l'eau
E21B 33/035 - Têtes de puitsLeur mise en place spécialement adaptées aux installations sous l'eau
A choke and kill system, and a method of adapting a low pressure drilling rig for use in a high pressure application. The system as a low pressure stack and a high pressure blowout preventer stack fluidly connected to the low pressure stack. A choke is fluidly connected to a low pressure choke line of the low pressure stack and is connected to a high pressure choke line of the high pressure blowout preventer stack. The choke is adapted to reduce the pressure from the high pressure choke line to the low pressure choke line.
A blowout preventer and method of closing a wellbore. The blowout prevented has a main body containing a wellbore, a passage transverse to the wellbore, a shearing device located in the passage; and a charge that, when activated, propels the shearing device along the passage and across the wellbore to close the wellbore and prevent a blowout.