Onesubsea IP UK Limited Patent applications |
Patent application number | Title | Published |
20160024878 | System and Method for Accessing a Well - A system and method for accessing a well, in certain embodiments, includes a production tree, a cap, and a spool including a longitudinal bore configured to receive a tubing hanger. The tubing hanger includes a longitudinal bore configured to transfer product between the spool and the production tree. At least one adjustable fluid barrier is included in the tubing hanger and/or the cap. The adjustable fluid barrier can be used to open and close the longitudinal passage and allow access through the tubing hanger and/or the cap. | 01-28-2016 |
20160017680 | Subsea Completion with Crossover Passage - A system, in some embodiments, for producing well production fluids through a tubing hanger connected with a production tubing string. The system includes a subsea tree with a production flow passage and a tree annulus flow passage. The system also includes a spool assembly separate from the subsea tree that includes a body with a longitudinal passage configured to receive and support the tubing hanger, there being an annulus between the production tubing string and the body. The spool assembly also includes a lateral flow passage extending from the spool longitudinal passage and configured to transfer the production fluids. Further, the system includes an annulus flow passage extending externally from the spool assembly and in fluid communication with the annulus | 01-21-2016 |
20150369004 | Electric Actuator with a Force/Pressure Measurement Sensor - An electric actuator for activating a valve device in the oil and natural gas industry, such as a slide valve, butterfly valve, ball valve, blow-out preventer or the like, has at least an actuator housing ( | 12-24-2015 |
20150368998 | Subsea Test Tree Intervention Package - A riser intervention system for use with a subsea test tree includes a lower riser package spool, an intermediate spool, and a riser stress joint. The lower riser package spool may include a bore and a shoulder projecting into the bore such that the subsea test tree is landable on the shoulder within the lower riser package spool. The intermediate spool is connectable to the lower riser package spool to secure the subsea test tree within the bore of the lower riser package spool such that the lower riser package spool is in fluid communication with the intermediate spool. The riser stress joint is releasably connectable to the intermediate spool using such that the intermediate spool is in fluid communication with the riser stress joint. | 12-24-2015 |
20150354308 | Downhole Equipment Suspension and Lateral Power System - A downhole equipment suspension and lateral power system for a subsea well including a suspension apparatus which is supportable above the tubing hanger and within the internal bore of the subsea production system. A power penetrator is laterally coupleable to the suspension apparatus. A cable is extendable from the suspension apparatus to suspend and power downhole equipment, such as an electric submersible pump. A communication line is extendable from the suspension apparatus to provide power to the downhole equipment. | 12-10-2015 |
20150330194 | Downhole Equipment Suspension and Power System Background - A subsea production system for a subsea well including a tubing hanger to suspend production tubing extending into the subsea well. Downhole equipment is locatable inside the production tubing in the subsea well. The system includes an adaptor spool including an internal bore. A suspension apparatus is supportable above the tubing hanger and within the internal bore of the adaptor spool. A power penetrator is laterally coupleable to the suspension apparatus. A suspension line is extendable from the suspension apparatus to suspend the downhole equipment. A communication line is extendable from the suspension apparatus to provide power to the downhole equipment. | 11-19-2015 |
20150318641 | LATCHING CONNECTOR SYSTEM AND ASSOCIATED METHOD - A latching connector receptacle includes a receptacle body configured to receive a plug, a biased release ring coupled to the receptacle body, and a latch dog assembly coupled to the receptacle body. The latch dog assembly includes a moveable latch dog configured to matingly engage the plug and matingly engage the release ring, and a moveable latch indicator configured to move in response to movement of the latch dog. | 11-05-2015 |
20150308222 | SELF-REGULATING FLOW CONTROL DEVICE - A self-regulating flow control device for controlling the flow of injected fluid into a subsea well or flowline via a tree, manifold, or other access point on the subsea infrastructure by responding to the injection pressure being applied to prevent the conduit from collapsing. An embodiment of the self-regulating flow control device includes a housing having a first and second through bore, a piston moveable in the through bore, and a biasing member. When in an unactuated position, the biasing member biases the piston isolating the first through bore from the second through bore, and when in an actuated position, a pressure overcomes the biasing member to move the piston and expose the first through bore to the second through bore. The self-regulating control flow device prevents a vacuum from being drawn into the conduit system below during sudden decreases in uphole pressure by blocking or closing flow paths in the housing. | 10-29-2015 |
20150285036 | SUBSEA DOSING PUMP - A system is described for injecting small controlled amounts of fluid, such as de-emulsifier, into a flowing line at high pressure, in a high-pressure environment such as a subsea environment. The system is connected to the flowing line by tubing lines. It is enclosed either in a high-pressure vessel able to withstand high external pressure or in a vessel that is pressure-matched with the environment. The system is able to inject a controlled volume of fluid into the flowing line at relatively low injection rates. | 10-08-2015 |
20150285035 | CONTROLLED PRESSURE EQUALIZATION - Systems and methods for controlled equalization of fluid pressure are described. The system can include a flow restricting nozzle in line with an accumulator which together provide a gradual, controlled equalization of pressure between two locations. For example, in the subsea environment, the pressures can vary between a subsea processing station and a subsea flow line. The systems can be configured as ROV retrievable, or they can be integrated into the subsea processing station. In some cases, more than one accumulator and/or more than one flow restricting nozzles can be used in the system to provide for versatility and robustness. | 10-08-2015 |
20150259990 | Tubing Hanger Orientation Spool - A subsea well installation assembly for installing a tubing hanger in a subsea well includes a spool with a spool orientation feature and a running tool connectable to the tubing hanger with a running tool orientation feature. The tubing hanger is rotatable to the predetermined orientation by movement of the running tool with respect to the spool such that the running tool orientation feature engages the spool orientation feature, and the tubing hanger is landable in the predetermined orientation by movement of the running tool with respect to the spool such that the running tool orientation feature engages the spool orientation feature. | 09-17-2015 |
20150253178 | Container Monitoring Apparatus - An apparatus to acoustically monitor a container includes a first acoustic transducer mountable to an exterior of the container to send a first acoustic signal into an interior of the container and a second acoustic transducer mountable to the exterior of the container to send a second acoustic signal into the interior of the container. The apparatus further includes a data processing unit to process a first acoustic response signal related to the first acoustic signal and a second acoustic response signal related to the second acoustic signal to determine contents within the interior of the container at locations of the first acoustic transducer and the second acoustic transducer. | 09-10-2015 |
20150240585 | System for Controlling In-Riser Functions from Out-of-Riser Control System - A system for controlling a blowout preventer stack and subsea test tree connected to a subsea wellhead assembly, the system comprising: a marine riser engageable with the subsea wellhead assembly; a lower marine riser package configured to be attached to the marine riser in the subsea environment, wherein the blowout preventer is configured to be removably attached to the lower marine riser package; an umbilical located outside of the marine riser adapted to communicate control fluids, electrical signals and/or fiber optic communications to a subsea controller, wherein the subsea controller is configured to receive control fluids and/or signals from the umbilical and to provide functions to the blowout preventer stack and subsea test tree, further wherein the subsea controller stabs into the system above the subsea wellhead assembly. This out-of-marine riser design provides for simplification in design criteria associated with the subsea controller and umbilical system. | 08-27-2015 |
20150191994 | Tubing Hanger with Rotary Disc Valve - A production assembly for a subsea well, the assembly comprising a tubing hanger landed in the production assembly, the tubing hanger suspending production tubing from the production assembly, an annulus surrounding the production tubing, and an actuatable rotary disc valve comprising a disc and two seats, wherein the disc is rotatable between two seats to an open position in which one or more apertures in the rotary disc valve are aligned with one or more apertures in the seats, and a closed position in which the one or more apertures in the rotary disc valve are offset from the one or more apertures in the seats, wherein, the annulus is not capable of fluid communication through the tubing hanger when the actuatable rotary disc valve is in the closed position. | 07-09-2015 |
20150176744 | Gasket - A gasket capable of sealing against multiple sealing surfaces, comprising an inner seal ring for sealing against inner sealing surfaces, an outer seal ring for sealing against outer sealing surfaces, one or more intermediate seal rings for sealing against one or more intermediate sealing surfaces, and a connector member for connecting the inner seal ring, one or more intermediate seal rings and the outer seal ring. In some embodiments, the gasket includes a retaining feature for securing the gasket in place and a removal feature for removing the gasket. In some embodiments, the various components of the gasket (e.g., seal rings, connector members, retaining feature, etc.) are composed of different materials (e.g., metal, metal alloy, plastic, rubber, ceramic and/or glass). | 06-25-2015 |
20150152971 | Actuating Device and Method for Displacing the Actuating Device - An actuating device or displacing a control device, such as a valve, gate valve or other control mechanism, in particular for use in oil or gas production systems, comprises a motor-gear unit ( | 06-04-2015 |
20150149114 | Monitoring Integrity of a Riser Pipe Network - Methods and systems are described for monitoring the integrity of a subsea pipeline network to transport the production fluid from a subsurface wellhead to surface facilities. More specifically, the described methods and systems are for monitoring the integrity of a riser pipe network and can include installing one or more inclinometers to the buoyancy tank and/or vertical riser structures. | 05-28-2015 |
20150136409 | Well Intervention Tool and Method - A system to control fluid flow through a fluid passage includes a valve that is fail-safe closed to selectively control fluid flow through the fluid passage, and a hydraulic actuator operatively coupled to the valve to open the valve when hydraulic pressure above a predetermined amount is received. The system further includes an inlet to provide hydraulic pressure to the hydraulic actuator and open the valve and an outlet to vent hydraulic pressure from the hydraulic actuator and close the valve. | 05-21-2015 |
20150090004 | Electrical Conductor and Method of Making Same - An electrical conductor includes an electrically non-conductive plate, an electrically conductive pin extending through the plate, and a frame member fitted around an outer edge of the plate. The frame member is configured to pre-load the plate with a compressive stress. In particular, the frame member may pre-load the plate with the compressive stress that is sufficiently high enough such that a sum of the compressive stress, tensile stress, and shear stress components generated in the plate under high-pressure conditions is compressive overall. | 04-02-2015 |
20140203516 | SEAL HAVING STRESS CONTROL GROOVE - A system, including an inner body, an outer body disposed about the inner body, and a grooved seal, wherein the grooved seal includes a sealing face and first and second side faces, wherein the first side face includes a first groove, the second side face includes a second groove, and the sealing face includes a third groove, wherein one of the inner body or the outer body includes an annular channel, and the grooved seal is disposed in the annular channel to seal an annular space between the inner body and outer body, wherein the sealing face seals against one of the inner body or the outer body, the first side face having the first groove seals against a first sidewall of the annular channel, and the second side face having the second groove seals against a second sidewall of the annular channel. | 07-24-2014 |