|
Match
|
Document |
Document Title |
|
|
7614453 |
Stress distributing wellhead connector
In accordance with certain embodiments, the present invention provides a connector for attaching to a multi-toothed profile on a wellhead features a tooth profile that staggers loading preferably...
|
|
|
7600569 |
Method for installing and connecting a sub-sea riser
A method and a device for installing a sub-sea riser for an offshore operation, between a base installation disposed on the sea bed and a sea installation protruding above the base installation....
|
|
|
7451821 |
Blow out preventer transfer platform
An offshore well drilling assembly includes a drilling facility or support platform for location at sea. A drilling platform connects to the support platform so the drilling platform is...
|
|
|
7419006 |
Apparatus for protecting wellheads and method of installing the same
An apparatus and method for protecting wellheads of a fixed-leg drilling and production platform which provide an alternative from the shutting in of producing wells as currently required. The...
|
|
|
7387166 |
Electrically operated actuation tool for subsea completion system components
An electrically operated actuation tool for a subsea completion system component having at least one hydraulically actuatable mechanism comprises an electric motor, a hydraulic pump which is driven...
|
|
|
7360601 |
Submersible well pump installation procedure
A method of installing an electrical pump assembly in a subsea wellhead member avoids having to run the pump assembly through the wellhead member after removing the wear bushing. The operator first...
|
|
|
7264057 |
Subsea intervention
A method and system of subsea intervention comprises lowering one or more assemblies of intervention equipment into the sea. Underwater marine units (such as remote operated vehicles or small...
|
|
|
7219737 |
Subsea wellhead arrangement for hydraulically pumping a well
A subsea well pumping system for installing and retrieving a hydraulically actuated down hole pump employed within the tubing suspended within casing extending from above a seabed, the system...
|
|
|
7216714 |
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)...
|
|
|
7216699 |
Sub mudline abandonment connector
An inner tubular member of a subsea wellhead assembly carries a locking member that moves between a locked and unlocked positions lands within an outer tubular member having a grooved profile in...
|
|
|
7152682 |
Subsea process assembly
A subsea process assembly for separating a multiphase flow, the assembly comprising: an inlet for a multiphase medium; a pressure reducing means for reducing the pressure of the multiphase flow...
|
|
|
7024081 |
Fiber optic cable for use in harsh environments
Fiber optic cables suitable for use in harsh environments such as down hole oil and gas well applications and methods for fabricating the same have been provided. In one embodiment, an optic cable...
|
|
|
6832874 |
Modular seabed processing system
To install a modular seabed processing system ( 1 ) on a seabed, a monopile foundation ( 3 ) is first lowered down and driven into the seabed. A docking unit ( 4 ) is lowered towards the installed...
|
|
|
6725936 |
Method for drilling a plurality of offshore underwater wells
An underwater well system in which an initially vertical drilling riser conduit is fixed by a template at the seabed in a non-vertical orientation. Drilling is carried out through wellhead in the...
|
|
|
6516861 |
Method and apparatus for injecting a fluid into a well
An injection spool for use in the injection of a fluid, for example a slurry of drilling cuttings, into a subsea wellhead assembly has an outer housing having a central bore therethrough. The...
|
|
|
6481504 |
Flowline connector with subsea equipment package
A flowline connector having a first connector portion for mounting on a first piece of subsea equipment, such as a wellhead. A second connector portion of the flowline connector is attached to an...
|
|
|
6435279 |
Method and apparatus for sampling fluids from a wellbore
A method and apparatus for sampling fluids from an undersea wellbore comprising a self-propelled underwater vehicle and a collection and storage device; so that samples may be recovered directly...
|
|
|
6422316 |
Mounting system for offshore structural members subjected to dynamic loadings
A mounting system for supporting elongate, metallic structural members used in offshore applications and subject to dynamic forces comprising a support assembly having a socket that at least...
|
|
|
6161618 |
Subsea control module
A subsea control module consists of three primary sections. The lower portion consists of a plate for carrying hydraulic couplings and hydraulic passages from valves to couplings. The lower portion...
|
|
|
6142236 |
Method for drilling and completing a subsea well using small diameter riser
A subsea wellhead assembly located at the sea floor that includes a subsea wellhead and a stationary blowout preventer mounted to the subsea wellhead for controlling a well during drilling. A drill...
|
|
|
6068427 |
System and method for replacement of components on sea bottom-based installations
A system and methods for diverless replacement of a functional component installed on a service unit on a sea bottom-based installation is provided. The component is fitted releasably into the...
|
|
|
6041865 |
Method and apparatus for moving a diverter
A movable diverter housing including a guide adapted to be mounted to the underside of a drill floor on a drilling rig and a diverter housing adapted to move in engagement with the guide.
|
|
|
5628586 |
Elastomeric riser tensioner system
A riser tensioner system for applying a substantially constant tensioning force to a riser and allowing a floating platform to move within a given range along a longitudinal axis of the riser. The...
|
|
|
5290126 |
Antirotation device for subsea wellheads
A subsea well assembly has an antirotation device to prevent rotation of an inner wellhead housing within an outer wellhead housing. A number of slots are formed in the upper rim of the outer...
|
|
|
5107931 |
Temporary abandonment cap and tool
A protective cap (12) can be run onto and retrieved from a subsea wellhead (10) from a floating service vessel. Slidably mounted shear pins (32) in the cylindrical wall (14) of the protective cap...
|
|
|
5088556 |
Subsea well guide base running tool
A running tool for use with a subsea well guide base when drilling from a floating drill ship is designed to be releasably detached without rotation so that the tool can be uncoupled at the surface...
|
|
|
5069287 |
Retrievable guide base for subsea well
A retrievable guide base and gimbal unit for a subsea well, and a tool for use with a pipe running to retrieve the guide base and gimbal from the subsea wellhead.
|
|
|
5007482 |
Offshore oil production system
An offshore oil production and mooring system comprises a subsea well head production system connected to a subsea base located on the sea bed. A subsea restraining buoy is located at a position...
|
|
|
5002130 |
System for handling reeled tubing
A system for handling a reeled tubing including a guide, a shear for cutting the tubing and a tubing injector including upper and lower strippers and guides and an enclosure for the injector. The...
|
|
|
4993492 |
Method of inserting wireline equipment into a subsea well
A subsea wireline lubricator comprises in sequence (a) a stuffing box, (b) at least one blow-out preventer, (c) a riser, (d) a foot valve and (e) a connector for connection to a subsea well head...
|
|
|
4960174 |
Equipment for oil well drilling and completing operations in deep water
A system for oil well drilling and completing operations in deep water which allows an oil well drilled in deep water to start producing, the operations being conducted from a dynamically placed...
|
|
|
4899823 |
Method and apparatus for running coiled tubing in subsea wells
A method and apparatus for injecting coiled tubing into a submerged well. The end of a coiled tubing is latched in a tubing injector and the tubing and injector are lowered through a body of water...
|
|
|
4877088 |
Process and equipment for oil well drilling and completing operations in deep water
A process for oil well drilling and completing operations in deep water which allows an oil well drilled in deep water to start producing, the operations being conducted from a dynamically placed...
|
|
|
4867605 |
Method and apparatus for retrieving a running tool/guideframe assembly
Method and apparatus for retrieving a running tool/guideframe assembly without the use of winch wires. A portion or each guidepost assembly can be unlatched from the seafloor-mounted template to...
|
|
|
4848475 |
Sea bed process complex
A sea bed oil producing and processing complex has a template with three bays housing pairs of modules, viz, well, gas and oil production modules. The complex includes a separator for separating...
|
|
|
4848474 |
Modular subsea station on a monopodial structure
The field of crude oil exploitation on a sub-marine site. The station comprises a platform 1 of octagonal shape carried by a central column 2 anchored in the ground on which is fixed an effluent...
|
|
|
4762180 |
Modular near-surface completion system
A modular near-surface completion system that positions the production wellheads in a quiescent zone beneath significant wave activity yet within reach of divers for maintenance and inspection....
|
|
|
4706756 |
Subsea tool launching equipment
A subsea pumpdown tool launcher is provided which permits pumpdown operations without requiring riser access from the surface. The launcher includes an entry valve connected to an upper connection...
|
|
|
4441742 |
Connectors for securing members together under large clamping
Connectors, particularly remotely operated connectors used to connect underwater well members under large clamping forces, are provided with rigid rolling antifriction elements engaged between a...
|
|
|
4441741 |
Connectors for securing members together under large clamping force
Connector, particularly for use in underwater well installations, for securing members together under large clamping forces. The connector is characterized by two successive stages of actuation of...
|
|
|
4417624 |
Method and apparatus for controlling the flow of fluids from an open well bore
A method and apparatus for controlling the flow of fluids from an open well bore, fluidly communicating the surface and a subterranean formation, the apparatus comprising (a) a slideable base; ...
|
|
|
4378848 |
Method and apparatus for controlling subsea well template production systems
Method and apparatus for remotely controlling subsea template production systems having a plurality of satellite wells and a plurality of subsea trees on the well templates uses a significantly...
|
|
|
4362215 |
Marine riser provided with a hinged foot for offshore hydrocarbon production
This riser has a central pipe connected to an underwater installation through a flexible assembly, and a plurality of satellite pipes connected to corresponding tubes of the underwater installation...
|
|
|
4359095 |
Well support system
A well support system is provided including a tubular riser connecting a subsea well to a surface platform. A flexible elastomeric mounting column is providing for supporting the tubular riser from...
|
|
|
4317488 |
Apparatus for use in placing a submarine structure on the sea bed alongside an underwater well and method of drilling a plurality of closely spaced underwater wells
A template for spacing a submarine structure such as an anchor block or a guide base for a second underwater well alongside an existing underwater well comprises a beam attached at one end, by...
|
|
|
4310052 |
Offshore structure for production of hydrocarbons
An offshore structure for the production of hydrocarbons is constructed and arranged to rest on a base over predrilled wells in a sea bed. A moveable base plate closes the base. Attached to the...
|
|
|
4260289 |
Connection-disconnection device between tubing and underwater wellhead for use with articulated production installations
This invention concerns a seabed device to support tubing connected to a wellhead. The device comprises a flange at the bottom end of the tubing, fitting into a rigid frame attached to and...
|
|
|
4100753 |
Marine structure with riser conductor and pipeline connection
A marine structure having a conductor adapted to receive a flow of fluid from a subsea pipeline. Said structure includes means to facilitate engagement of the fluid conductor with the pipeline, by...
|
|
|
4095649 |
Reentry system for subsea well apparatus
A reentry system for a subsea apparatus or station including a normally retracted guide post, which is extendable above the well apparatus for connection to a single guide line. A frame structure...
|
|
|
4052703 |
Intelligent multiplex system for subsurface wells
A subsea well installation is equipped with means for performing required control functions as directed by electrical command signals transmitted over a primary cable from a remote surface...
|