| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 166360000 | Well component assembly means | 41 |
| 20080264646 | Modular Actuator for Subsea Valves and Equipment, and Methods of Using Same - The present invention is directed to a modular actuator for subsea valves and equipment, and various methods of using same. In one illustrative embodiment, the actuator includes a hydraulic actuator, at least one housing and a self-contained hydraulic supply system positioned within the at least one housing. | 10-30-2008 |
| 20090314494 | Wellhead Housing Bootstrap Device - A running tool for coaxially setting together subsea wellhead housings, such as a high pressure wellhead housing within a low pressure wellhead housing. The tool includes a conically shaped body that is insertable within the inner most housing, a frame with a base, an axial bore and latches. The base perpendicularly rests on top of an inner housing and the latches extend from the base to connect with an outer housing. The bore is formed to accommodate the tool freely therethrough. Wedge shaped members are provided between the base and inner housing top having their wide ends contactable by the tool. Urging the tool through the bore pushes the wedges radially outward that imparts a force between the base and inner housing top in one direction. The attached latches apply an oppositely directed force onto the outer housing. | 12-24-2009 |
| 20100059230 | COIL TUBING GUIDE - A guide system includes a flexible pipe and a plurality of bend restrictor members disposed along the flexible pipe. The bend restrictor members define a first channel and are operable to limit a degree of bending present in the first channel. An apparatus for interfacing with a subsea well includes a flexible pipe extending from a surface vessel to the subsea well. A plurality of bend restrictor members is disposed along the flexible pipe and defines a first channel. The bend restrictor members are operable to limit a degree of bending present in the first channel. Coil tubing extends from the surface vessel to the subsea well through the first channel. | 03-11-2010 |
| 20100155076 | SYSTEM FOR PROVIDING ROTATIONAL POWER IN A SUBSEA ENVIRONMENT - A technique facilitates the pumping of fluids in a subsea environment. A pumping system is formed by combining a submersible pump with a permanent magnet motor to power the submersible pump. The pumping system is positioned in cooperation with a subsea structure to improve the fluid flow and the functionality of the system in specific applications. | 06-24-2010 |
| 20100170678 | Mounting a Module on an Underwater Structure - A method of mounting a subsea control module ( | 07-08-2010 |
| 20100175885 | System and Apparatus for Drilling Riser Conduit Clamp - A clamp for securing about annular casing via a centrally oriented aperture having a radius includes at least one aperture for grasping a longitudinally extending accessory disposed about the radius of the centrally oriented aperture and at least one fastening member for securing the longitudinally extending accessory about the clamp. At least one fastening member and at least one aperture act to secure a longitudinally extending accessory relative to the annular casing. | 07-15-2010 |
| 20100236786 | SYSTEM AND METHOD FOR PERFORMING INTERVENTION OPERATIONS WITH A SUBSEA Y-TOOL - A technique utilizes a Y-tool ( | 09-23-2010 |
| 20100282474 | SUBSEA OVERLOAD RELEASE SYSTEM AND METHOD - The disclosure provides a subsea overload release system and method. The disclosure provides a releasable connection system than can be overridden during an overload condition, and is resettable in a subsea location in situ. During normal operation, a collet sleeve is slidably engageable with a collet having one or more fingers that can releasably couple a first member with a second member. During an overload condition, an overload piston acting on fluid in an overload reservoir causes an overload pressure and a rupture or other release of fluid through an overload pressure member, causing the overload reservoir to at least partially collapse. The collapse allows the system to extend and force open the fingers to disengage the second member from the first member. When the overload symptom is rectified, the overload reservoir can be reset and the overload pressure member reset or replaced without requiring repairs above sea surface. | 11-11-2010 |
| 20110036589 | WELLHEAD CONNECTION - A wellhead connection including first and second housings with the first housing partly within the second housing to form an annulus. The housings form a seal to a cylindrical inner bore when connected together. The first housing has a circumferential groove formed in its outer periphery. A radially expandable and contractable latch ring formed from latch ring segments is located in the annulus adjacent the circumferential groove. Radial actuators extend through the second housing to the latch ring segments to move the latch ring segments between a contracted position with the latch ring in contact with the circumferential groove, and an expanded position, with the latch ring out of contact with the circumferential groove. The upper and lower housings are adapted to lock the latch ring in the contracted position by applying a downward force on the latch rings, or by tightening the bottom connector to a wellhead member. | 02-17-2011 |
| 20110042095 | RISER CLAMP - A riser clamp ( | 02-24-2011 |
| 20110061871 | MANIFOLD STRUCTURE HAVING ADJUSTABLE BRACKETS - The invention relates to a manifold structure that includes a frame construction ( | 03-17-2011 |
| 20110120722 | SUBSEA CONTROL SYSTEM WITH INTERCHANGEABLE MANDREL - A technique enables protection of subsea wells. The technique employs a subsea test tree designed to ensure control over the well in a variety of situations. The subsea test tree is formed with at least one shut-off valve to protect against unwanted release of fluids from the subsea test tree. The subsea test tree also is coupled with and controlled by a control system having a subsea control module mounted to an interior mandrel. | 05-26-2011 |
| 20110155387 | APPARATUS FOR IMPROVING WELL SAFETY AND RECOVERY AND INSTALLATION PROCESS THEREOF - Apparatus for improving the safety and recovery of wells to be installed in oil wells comprising a Deep Set Well Head (DSWH), a Casing Receptacle ( | 06-30-2011 |
| 20110297390 | SUBSEA WELL CONTAINMENT AND INTERVENTION APARATUS - A subsea well containment and intervention apparatus. The invention provides a rigid frame that includes a set of pilings for securely affixing the apparatus to the seafloor. Buoyancy modules included in the frame make the weight of the invention more manageable when in the water. Lifting eyes are provided on the frame for installation and removal. A series of tools are attached to the frame to eliminate the need for frequent trips to the surface to replace and replenish. | 12-08-2011 |
| 20120006558 | SUBMERGIBLE OIL WELL SEALING DEVICE AND METHOD FOR SEALING UNDERWATER OIL WELLS - An oil well sealing device that is submergible for sealing under water oil wells and a method for sealing underwater oil wells are described. The device comprises a housing having at least one lower opening at a lower end of the housing and at least one upper opening at an upper end of the housing; a pump sucking oil through the lower opening into the housing and pushing the oil through the upper opening out of the housing; and a closing element movable to close or open the upper opening. | 01-12-2012 |
| 20120037378 | TREE PROTECTION SYSTEM - A subsea wellhead assembly having a net that protects the wellhead assembly from impacts with falling objects. The net can be deployed from a vessel onto a wellhead on the seafloor, or mounted onto a wellhead component above the sea surface and lowered with the wellhead component. The net can be retractable, so that an ROV can access the wellhead assembly by temporarily moving the net into a retracted configuration, then redeploying the net when finished accessing the wellhead assembly. | 02-16-2012 |
| 20120085545 | APPARATUS AND METHOD FOR CONTROLLED PRESSURE DRILLING - A rotating flow head (RFH) has a housing having an internal bore with diameter substantially equal to that of a riser and at least one flow port proximate one longitudinal end thereof. First and second arrays of radially extensible and retractable locking elements are disposed circumferentially around the RFH housing. The RFH has a bearing assembly (BA) housing having an exterior diameter selected to fit within the internal bore of the RFH housing so as to provide an annular space therein. The BA housing engages one of the arrays of locking elements when extended. A mandrel is rotatably, sealingly supported within the BA housing. Another end of the BA housing and the other array of locking elements provide longitudinal force on the BA housing when the other array is extended. A seal element disposed in the annular space is energized by the longitudinal force applied to the BA housing. | 04-12-2012 |
| 20120152561 | EMERGENCY SUBSEA WELLHEAD CLOSURE DEVICES - Wellhead-based systems, apparatus, and methods for controlling a well are provided. During a failure of an emergency system such as a blowout provider, a wellhead based emergency control apparatus according to an embodiment of the invention can be employed to control the well. A casing strings compression assembly can radially compress each of the casing strings and/or drilling pipe extending through the wellhead housing to restrict or stop well fluid passage. A casing strings penetrator of an emergency well fluid diversion assembly can also or alternatively be employed to form an aperture in the casing strings. A diverter, integral with or connected to the penetrator, is extended through an aperture in a side of the wellhead housing and one or more of the apertures cut by the penetrator to divert well fluid from within the wellhead housing through a passageway in the diverter and to an external conduit. | 06-21-2012 |
| 20120227977 | TORQUE WRENCH SYSTEM HAVING A MULTIPLE TORQUE STATIONS - An improved multi-bolt and nut torque wrench for installing and removing bolts or nuts from flanged joints or the like which includes a plurality of torque stations having a plurality of high torque wrenches for engaging the heads of the bolts or nuts during a high torque phase of removal or installation; a plurality of low-torque motors operatively engaged with the wrenches for rotating the bolts or nuts during the low torque phase of removal or installation; a source of hydraulic fluid for driving the low-torque motors during the low-torque phase, and driving the high-torque wrenches during the high torque phase; and a mechanism for switching between the two phases depending on the torque needed. | 09-13-2012 |
| 20120267117 | Device for a Safety Connector for a Pipe String Suspension - A device is for a release module for attaching a pipe string to a heave compensated, load bearing unit arranged on a floating installation, where two or more hydraulic cylinder units form an extendable connection between the heave compensated, load bearing unit and a portion of the pipe string. | 10-25-2012 |
| 20120267118 | OFFSHORE UNIVERSAL RISER SYSTEM - An offshore universal riser system may include a valve module which selectively permits and prevents fluid flow through a flow passage extending longitudinally through a riser string. An anchoring device may releasably secure the valve module in the passage. A method of constructing a riser system may include the steps of installing the valve module in the passage, and installing at least one annular seal module in the passage. The annular seal module may prevent fluid flow through an annular space between the riser string and a tubular string positioned in the passage. Drilling methods may include injecting relatively low density fluid compositions into the annular space, and selectively varying a restriction to flow through a subsea choke in a drilling fluid return line. The riser string, including housings for the various modules and external control systems, may be dimensioned for installation through a rotary table. | 10-25-2012 |
| 20120273219 | EMERGENCY DISCONNECT SYSTEM FOR RISERLESS SUBSEA WELL INTERVENTION SYSTEM - A method for riserless intervention of a subsea well includes: lowering a pressure control assembly (PCA) from a vessel to a subsea production tree; fastening the PCA to the tree; lowering a control pod from the vessel to the PCA using an umbilical; fastening the control pod to the PCA; lowering an end of a fluid conduit from the vessel to the PCA; and fastening the fluid conduit to the PCA using a dry break connection. | 11-01-2012 |
| 20120273220 | PRESSURE RELIEF VALVE - A pressure relief valve for use submerged in a body of water includes a first seal element in a water-filled chamber having an outlet into the body of water. In addition, the pressure relief valve comprises a spring in a water-filled chamber biasing the first seal element into sealing engagement with a second seal element and forming a seal until the pressure opposing the seal equals or exceeds a predetermined pressure. | 11-01-2012 |
| 20120298374 | WELL HEAD CONTAINMENT FITTING DEVICE - A containment fitting for a wellhead capping device including a truncated conical section capable of fitting into a central aperture of a flange that is attached to a ruptured wellhead pipe end and which can be fitted into position by several wires or cables that are pulled through apertures in the pipe wellhead flange. A method of installation includes undersea welding of the flange onto the end of the ruptured wellhead and inserting plural bobbin structures attached to cable wires into through holes extending at angularly opposed sides of the flange such and when completely in line through a second flange on constriction equipment, can bring the flanges adjacent and in line to permit attachment therebetween by bolts. | 11-29-2012 |
| 20130105170 | MEASUREMENT OF RELATIVE TURNS AND DISPLACEMENT IN SUBSEA RUNNING TOOLS | 05-02-2013 |
| 20130133895 | MECHANICAL BENDING WEAK LINK - A method and a safety device are disclosed for protection of well barrier(s) against excessive bending moments from a riser. The safety device is arranged to detect critical bending loads in or in between the well barrier(s) and/or riser, and may include: a device for detecting changes in a curvature between a load carrying riser pipe and an unloaded stiff body attached to or in the vicinity of the riser pipe, said device for detecting changes in the curvature being arranged to measure a relative distance between the load carrying riser pipe and the unloaded stiff body, and a device for triggering disconnection of a releasable riser connector when the distance between the load carrying riser pipe and the unloaded stiff body reaches a predefined critical distance. | 05-30-2013 |
| 20130168103 | DAMPING SLEEVE AND ANCHORING METHOD - The present invention relates to an accessory device which comprises a damping sleeve ( | 07-04-2013 |
| 20130220628 | High-Pressure Cap Equalization Valve - A cap for protecting a sealing surface of a hub of a subsea device includes an equalization valve and a fluid conduit. The equalization valve includes a valve body having a pressure equalization conduit, a sleeve disposed about the valve body and having a port allowing fluid communication across the sleeve, and a valve spring configured to bias the sleeve to a closed position. The sleeve is configured to move to an open position in response to a force that depresses the sleeve and causes the valve spring to compress and the port is fluidly isolated from the pressure equalization conduit in the closed position and is in fluid communication with the pressure equalization conduit in the open position. In the open position, an interior environment of the subsea device is in fluid communication with the environment outside the cap through the equalization valve. | 08-29-2013 |
| 20130306325 | TREE CAP WEDGE SEAL SYSTEM AND METHOD TO OPERATE THE SAME - A tree cap has a wedge type annular metal seal for capping and sealing a subsea tree and associated methods to energize the same. The tree cap includes a cam element having a lower end with a conical profile adapted to be disposed within a respective bore of the subsea tree. The cam element moves along an axis of the bore. The annular metal seal is disposed on an outer diameter of the cam element so that the cam element may compress the annular metal seal against an actuation member to seal the bore of the subsea tree. The tree cap includes a housing adapted to be disposed on and secure to the subsea tree. The housing carries the cam element and exerts an axial force on the cam element to deform the annular metal seal into sealing engagement between the tree cap and the subsea tree. | 11-21-2013 |
| 20140166298 | CLOSED-LOOP HYDRAULIC RUNNING TOOL - A method and apparatus for setting an inner wellhead member in a subsea wellhead housing includes connecting an inner wellhead member to a running tool and running the running tool and wellhead member through a tubular member to a wellhead housing. A plurality of pistons urge fluid through a closed-loop hydraulic system. That fluid actuates a locking mechanism to lock the inner wellhead member into the wellhead housing, and also actuates a release mechanism to release the running tool from the inner wellhead member. The pistons are moved from one position to another in response to fluid pressure from the running string to which the running tool is connected, fluid pressure from the tubular member in which the running tool is located, or in response to fluid in the closed-loop hydraulic system that is being moved in response to the other one of the pistons. | 06-19-2014 |
| 20140166299 | ARRANGEMENT IN A HOSE CONNECTION BETWEEN A WELLHEAD AND A SURFACE INSTALLATION - Arrangement in a hose connector of a riser provided between a wellhead and a floating surface installation. One or more hoses form a flexible fluid communicating connection between an upper portion of the riser and the floating surface installation. The first end portion of at least one fluid conduit is fixed to the riser by an upwardly directed, first pipe muzzle and is provided with a rotatable connecting sleeve. Each of one or more flexible hoses is connected to a conduit spool of a connecting assembly provided with a second and pipe muzzle that is arranged for releasable mating with the first end portion of the fluid conduit. A lifting yoke is connected to the connecting assembly and forms an actuator which is able to effect rotary motion to the connecting sleeve to enable engagement. | 06-19-2014 |
| 20150101821 | Flow Head Swivel System and Method of Use - A flow head system, comprising a one or more load diversion devices releaseably attached to a first set of components. Said one or more load diversion devices comprising a lower load diversion device releaseably attached to said first set of components. Said one or more load diversion devices attached to an offshore facility. Said one or more load diversion devices holding a load created by said first set of components. Said first set of components releaseably attached to a string of pipe. Said first set of components capable of rotating about a center axis relative to said one or more load diversion devices. Said one or more load diversion devices comprising a one or more lower load bypass devices attached to said lower load diversion device. Said well control equipment releaseably attached to said first set of components. | 04-16-2015 |
| 20150114659 | WELLSITE CONNECTOR WITH PISTON DRIVEN COLLETS AND METHOD OF USING SAME - A wellsite connector ( | 04-30-2015 |
| 20150136412 | RISER TENSIONING SYSTEM - The riser tensioning system ( | 05-21-2015 |
| 20150136413 | SINGLE UPSET LANDING STRING RUNNING SYSTEM - Systems, apparatus, and methods for longitudinally moving or running a tubular, with the system including an elevator suspended from a rig. The elevator includes a body defining a bore to receive a tubular and wedges defining channels therebetween, with the wedges being configured to engage the tubular. The system may also include a spider including a body defining a bore to receive the tubular and wedges defining channels therebetween. The wedges of the spider may be configured to engage the tubular, and the wedges of the elevator may be configured to slide axially at least partially in the channels of the spider. The wedges of the spider may be configured to slide axially at least partially in the channels of the elevator. | 05-21-2015 |
| 20160002997 | ELECTRICAL SUBMERSIBLE PUMP TREE CAP - Systems and methods providing a tree cap that allows power, signal, and/or hydraulic function connections to be established between an Electrical Submersible Pump and a vertical Christmas tree (VXT) control system are provided. The tree cap includes an Electrical Feed-through System (EFS) having an electro-hydraulic stinger configured to form a connection to an ESP hanger plug of the Electrical Submersible Pump (ESP). The tree cap is configured to lock onto the vertical Christmas tree (VXT) and provide a secondary seal barrier element to the environment. | 01-07-2016 |
| 20160010434 | Submersible Pump Assembly Inside Subsea Flow Line Jumper and Method of Operation | 01-14-2016 |
| 20160160638 | SANDFACE LINER WITH POWER, CONTROL AND COMMUNICATION LINK VIA A TIE BACK STRING - In one aspect, a method of completing a wellbore is disclosed that in one non-limiting embodiment includes: placing a completion assembly in the wellbore, the completion assembly including a first link along an outside the completion; placing a second link between a surface location and a subsea location; placing a string having a third link between the first link and the second link; and connecting the third link to the first link and the second link to provide a continuous link between the completion assembly and the surface location. | 06-09-2016 |
| 20160168926 | System and Method of Alignment for Hydraulic Coupling | 06-16-2016 |
| 20160177649 | Subsea Completion with Crossover Passage | 06-23-2016 |
| 20160251931 | RISERLESS COMPLETIONS | 09-01-2016 |
