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US20100307760 SUBSEA WIRELINE INTERVENTION SYSTEM  
The present invention is a system for subsea well intervention on a vessel with a boom above a well tree. The system includes a subsea deployment reel, a subsea wireline reel, and an intervention...
US20140076574 METHOD AND SYSTEM FOR INSTALLING SUBSEA WELL TREES  
The disclosure provides a method and system of installing subsea well trees, comprising: creating a glory hole having a depth below a seabed at a well location of a hydrocarbon reservoir; moving a...
US20140224499 MODULAR WELL INTERVENTION ASSEMBLY  
A modular well intervention assembly includes a jack assembly having increased stroke length that can be installed directly over a well or above a BOP assembly. Modular work platforms and a...
US20120227974 METHOD AND APPARATUS FOR PULLING A CROWN PLUS  
Provided is a method and apparatus for pulling a crown plug comprising: (a) providing a subsea lubricator having a longitudinal through bore and a jack attached to the subsea lubricator, the jack...
US20110240303 SUBSEA WELL INTERVENTION MODULE  
Subsea well intervention module for well intervention operations to be performed in a well from a surface vessel via a wireline. The intervention module comprises a supporting structure, an...
US20120085543 Backup Wellhead Blowout Prevention System and Method  
A backup blowout assembly for a subsea wellhead that is positioned between an existing blowout preventer system and the wellhead. The backup blowout assembly includes an independently operated...
US20130075103 METHOD AND SYSTEM FOR PERFORMING AN ELECTRICALLY OPERATED FUNCTION WITH A RUNNING TOOL IN A SUBSEA WELLHEAD  
A subsea running tool receives electric potential from a control unit located at a platform through a tubular string having an electrically conductive wire formed in tubular wall of the tubular...
US20130213660 ROV Retrievable Regulator Module  
A retrievable module assembly can be used to install and/or de-install a blowout preventer (BOP) module from a BOP subsea where the BOP comprises one or more corresponding BOP module receivers....
US20100025043 SYSTEM AND VESSEL FOR HYDROCARBON PRODUCTION AND METHOD FOR INTERVENTION ON SUBSEA EQUIPMENT  
A system for operation and service of at least one hydrocarbon-producing well and of equipment, which is disposed under water, for further transport of the well stream, where the system comprises...
US20110209875 INSTALLATION FOR THE EXTRACTION OF FLUID FROM AN EXPANSE OF WATER, AND ASSOCIATED METHOD  
This installation comprises an upper structure (12), and a flexible hose (16) capable of moving through the expanse of water (11 B) between an upper connected configuration and a lower...
US20110017465 RISER SUPPORT  
A riser system including: at least one riser for extending from infrastructure on a sea bed and each riser having a riser termination; an end support restrained above and relative to the sea bed...
US20120181038 SUBSEA WINCH  
A subsea winch is described. The subsea winch comprises a housing adapted to be attached to a well intervention system, the housing having an inlet and an outlet and at least one powered sheave...
US20150107846 METHOD AND APPARATUS FOR PULLING A CROWN PLUG  
Provided is a method and apparatus for pulling a crown plug from a subsea horizontal christmas tree, the method comprising: (a) providing a subsea lubricator having a longitudinal through bore and...
US20050205261 System and method for remediating pipeline blockage  
A system and method for reducing fluid pressure in a pipe connecting a well to a remote location, according to which a section of tubing is inserted into the pipe to define a space between the...
US20090260830 RIGLESS WELL COMPLETION METHOD  
A method and system for completing a well below the bottom of a body of water includes assembling a completion string at a location away from a location of the wellbore, moving the assembled...
US20090283274 CONNECTOR ASSEMBLY FOR CONNECTING A HOT STAB TO A HYDRAULIC HOSE  
An apparatus having a hot stab having a fluid conduit connector thereon, a hydraulic hose having a connector assembly at an end thereof suitable for joining to the fluid conduit connector of the...
US20110048726 INTERNAL TREE CAP AND ITC RUNNING TOOL  
Internal tree cap (201) (ITC) adapted to be installed in the bore of a subsea well unit (301) or to an internal tubular element (303) of the same, comprising a locking element (209) for releasably...
US20080190621 Locking cap for subsea tree  
A locking tree cap for use on a subsea tree. The tree cap may be installed and retrieved using a remote operated vehicle. The tree cap may include deflectable collet fingers that lock the tree cap...
US20130032351 RELEASABLE CONNECTIONS FOR SUBSEA FLEXIBLE JOINTS AND SERVICE LINES  
A method for shutting in a subsea wellbore is described, comprising disconnecting a flexible joint from the lower marine riser package subsea after a subsea blowout. The flexible joint is...
US20090236100 PLUG RETRIEVAL AND DEBRIS REMOVAL TOOL  
An apparatus adapted for removing a plug (12) from a subsea Christmas tree (10) is disclosed which includes a housing (84), a distal end of the apparatus that is adapted to engage the plug (12)...
US20100307761 Subsea Control Module with Interchangeable Segments  
A subsea control module for subsea well equipment has an actuator having a rod with a remote operated vehicle (ROV) interface on one end and a latch on an opposite end that latches to a subsea...
US20090255680 Subsea Inflatable Bridge Plug Inflation System  
A remotely operated submersible vehicle (ROV) is used to carry a bridge plug down to a sub sea well. The ROV is operated from a surface vessel or platform and is outfitted with a submersible...
US20100147527 SUBSEA BOOSTING CAP SYSTEM  
A subsea boosting cap system is disclosed. The system comprises an anchor assembly capable of attaching to the sea floor. The anchor assembly comprises a pump cavity capable of receiving a...
US20130020086 SYSTEMS AND METHODS FOR CAPPING A SUBSEA WELL  
A method for capping a subsea wellbore comprises (a) identifying a subsea landing site on the BOP or LMRP for connection of a capping stack. In addition, the method comprises (b) preparing the...
US20150107845 REDEPLOYABLE SUBSEA MANIFOLD-RISER SYSTEM  
A subsea manifold-riser system is redeployed from a first production location to a second production location. A manifold module is lowered to the ocean floor at the first production location...
US20130292127 PLUG INSTALLATION SYSTEM AND METHOD  
A system for maneuvering a plug in and out of a tubing hanger mounts to a subsea wellhead assembly. The system includes a tractor and an end effector that are sheltered in a housing. A control...
US20100326665 METHODS AND APPARATUS FOR SUBSEA WELL INTERVENTION AND SUBSEA WELLHEAD RETRIEVAL  
The present invention generally relates to methods and apparatus for subsea well intervention operations, including retrieval of a wellhead from a subsea well. In one aspect, a method of...
US20140048275 Modular, Distributed, ROV Retrievable Subsea Control System, Associated Deepwater Subsea Blowout Preventer Stack Configuration, and Methods of Use  
A distributed function control module adapted for use in a modular blowout preventer (BOP) stack for use subsea comprises a housing adapted to be manipulated by a remotely operated vehicle (ROV)...
US20150083431 Recovery Valve  
A tubing hanger landing system includes a tubing hanger running tool, a locking flowline to lock the tubing hanger running tool into a tubing hanger, and a lower body shear joint comprising a...
US20080047714 High pressure large bore utility line connector assembly  
A utility line connector assembly having a male stab having a central bore with a port that communicates with a second bore in a receptacle where the stab is fixedly inserted into a receiving...
US20100025044 SUBSEA WELL INTERVENTION SYSTEMS AND METHODS  
Systems and methods for well intervention include a lower riser package (LRP), and an emergency disconnect package (EDP). The LRP includes a tree connector, a connector and seal stab adapter...
US20090194290 CONTROL SYSTEM FOR BLOWOUT PREVENTER STACK  
A modular control system consisting of multiple, remotely retrievable functional modules for controlling a blowout preventer stack. The various functional modules can be located on the lower...
US20120125622 WELLSITE EQUIPMENT REPLACEMENT SYSTEM AND METHOD FOR USING SAME  
A system and method for replacing equipment at a wellsite is provided. The wellsite has a subsea stripper installed proximate a subsea borehole. The system has a conveyance for delivering a BHA...
US20150122501 SUBSEA PIPE CUTTING APPARATUSES AND RELATED METHODS  
Some embodiments of the present subsea pipe cutting apparatuses use or include a frame, one or more water jet nozzles coupled to the frame and configured to apply pressurized fluid to a pipe to...
US20150176353 BORE SELECTION APPARATUS  
A bore selection device for use with a dual bore subsea system is disclosed. The bore selector (18) can be remotely actuated to provide selection between a production bore (12) and an annulus bore...
US20070289745 Plug Setting and Retrieving Apparatus  
This invention relates to apparatus for setting a plug in, or retrieving a plug from, a horizontal xmas tree. The apparatus comprises a housing with a throughbore adapted to be releasably...
US20080302535 Subsea Intervention Riser System  
The invention comprises a multi-component system for subsea intervention. The system comprises a lower riser component which is held vertical by a buoyance element and an upper riser system. The...
US20100230110 WELL UNLOADING PACKAGE  
A method of unloading a well using a modular adapter having a pump, a pump suction line, and a pump discharge line. The adapter is connected to a subsea wellhead assembly so that the pump suction...
US20140027123 INTERVENTION WORKOVER CONTROL SYSTEMS  
An apparatus for use in providing an intervention workover control system for an underwater well, comprising a first structure for connecting to a hydraulic flying lead, a first support for...
US20100059221 SUBSEA FLUID SAMPLING AND ANALYSIS  
Subsea apparatus and a method for sampling and analysing fluid from a subsea fluid flowline proximate a subsea well is provided, wherein the apparatus comprises at least one housing located in...
US20120255736 OFFSHORE TOP TENSIONED RISER BUOYANCY CAN SYSTEM AND METHODS OF FIELD DEVELOPMENT  
A method for developing an offshore field comprises (a) coupling a plurality of top-tensioned risers to a first vessel at a first location. In addition, the method comprises (b) decoupling the...
US20150211331 RETRIEVABLE FLOW MODULE UNIT  
A retrievable flow module (RFM) apparatus is provided. In one embodiment, the RFM apparatus is a standalone assembly configured to mate with a subsea device, such as a production tree. The RFM...
US20090050329 SUBSEA ADAPTER FOR CONNECTING A RISER TO A SUBSEA TREE  
A method and system for performing intervention and workover operations on a subsea well are provided, as well as an adapter for connecting a lower end portion of a conduit extending from a vessel...
US20090211760 Well servicing tool storage system for subsea well intervention  
A well servicing tool storage system for subsea well intervention is disclosed which provides a tool storage means as part of the intervention system and which has a plurality of tool storage arms...
US20080277122 Apparatus and a Method For Deployment of a Well Intervention Tool String Into a Subsea Well  
The present invention regards an apparatus and a method for subsea deployment and/or intervention through a wellhead (102) of a petroleum well (112). The apparatus comprises a first module (101)...
US20100270746 Wellsite Replacement System and Method for Using Same  
Systems and methods for replacing equipment at a wellsite, the wellsite having a subsea stripper installed proximate a subsea borehole. The system has at least one seal assembly portion, at least...
US20140318800 HYDROSTATIC TUBULAR LIFTING SYSTEM  
In one embodiment, a tubular lifting system for lifting a wellbore tubular includes an outer tubular; an inner tubular disposed in the outer tubular; an annular chamber defined between the inner...
US20100236785 METHOD FOR REMOVING HYDRATE PLUG FROM A FLOWLINE  
A method of drilling through a blockage in a flowline using a remotely controlled electrically operated drilling tool that comprises a drill bit, a steering means, a pumping means, and a...
US20100101799 SYSTEM, METHOD AND APPARATUS FOR A MODULAR PRODUCTION TREE ASSEMBLY TO REDUCE WEIGHT DURING TRANSFER OF TREE TO RIG  
A modular tree production tree assembly reduces the weight during transfer of the tree components from a barge to a production rig. The tree assembly includes an upper tree module, a lower tree...
US20120152557 Devices and Methods for Locally Replacing Seal Surface  
Devices and methods useable for repairing seal surfaces in an oil and gas installation used at offshore locations are provided. A removable device useable for locally repair a seal surface of a...
Matches 1 - 50 out of 66 1 2 >