|
Match
|
Document |
Document Title |
|
|
7588393 |
Method for supporting top tension drilling and production risers on a floating vessel
A method for supporting top tension drilling and production risers on a floating vessel using a tensioner assembly above the water line of the vessel. The method can include attaching at least one...
|
|
|
7530399 |
Delivery system for downhole use
A delivery system for downhole use comprising an elongate delivery member, such as a length of wireline cable or coiled tubing, an injector to control the insertion of the delivery member into the...
|
|
|
7506702 |
Method and apparatus for disposal of cuttings
A method and apparatus for disposing of drill cuttings 500 from an oil and/or gas well drilling platform 510 , comprising (a) transporting the drill cuttings 520 to a cuttings collection area ...
|
|
|
7434624 |
Hybrid tension-leg riser
This invention provides a production riser system that enables fluid communication in a deepwater drilling environment through the use of a variable buoyancy device supporting both a hybrid riser...
|
|
|
7373985 |
Two-part telescopic tensioner for risers at a floating installation for oil and gas production
A tensioning device ( 15 ) for a riser ( 5 ) connecting a subsea borehole ( 7 ) with a floating installation ( 1 ) on the surface of the sea ( 11 ), where the tensioning device ( 15 ) is provided...
|
|
|
7240734 |
System and method for fail-safe disconnect from a subsea well
A system and method for controllably separating a conduit into an upper portion and a lower portion. The system includes a first valve in the upper portion of the conduit above a point of...
|
|
|
7231981 |
Inline compensator for a floating drill rig
An apparatus and method for protecting against the problems associated with heave of a floating drilling rig are disclosed. The disclosed invention is a unique inline compensator in which a...
|
|
|
7219739 |
Heave compensation system for hydraulic workover
The present invention relates generally to offshore drilling and production operations, and, more particularly, to marine drilling workover/intervention tensioning and compensating devices and...
|
|
|
7191837 |
Motion compensator
A motion compensator is used on a floating vessel servicing a subsea well. The motion compensator includes a first frame assembly adapted to be connected to a cable extending from a lifting...
|
|
|
7188677 |
Tensioning system for production tubing in a riser at a floating installation for hydrocarbon production
A device for tensioning and relieving production tubing ( 49 ) extending from a subsea hydrocarbon well ( 107 ) up through a riser ( 63 ) to a floating installation ( 87 ), a continuous production...
|
|
|
7104330 |
Marine riser tower
This invention relates to a marine riser tower ( 112, 114 ) for use in the production of hydrocarbons from offshore wells. The riser tower ( 112, 114 ) includes a plurality of fluid conduits, which...
|
|
|
7086463 |
Methods of downhole testing subterranean formations and associated apparatus therefor
Methods and apparatus are provided which permit well testing operations to be performed downhole in a subterranean well. In various described methods, fluids flowed from a formation during a test...
|
|
|
7073579 |
Methods of downhole testing subterranean formations and associated apparatus therefor
Methods and apparatus are provided which permit well testing operations to be performed downhole in a subterranean well. In various described methods, fluids flowed from a formation during a test...
|
|
|
7063158 |
Bottom tensioned offshore oil well production riser
An offshore oil well riser system comprises one or more tubular conduits suspended from a floating platform and having bottom ends extending downward substantially vertically toward the sea floor....
|
|
|
7011152 |
Integrated subsea power pack for drilling and production
A power supply assembly, which is placed subsea and is connected to an umbilical from a platform, supplies electrical power to subsea equipment. The power supply assembly supplies power during...
|
|
|
6968901 |
Oil production processing system for swaying service
A method for processing oil from oil wells having water bound locations whereby it is necessary to place the process containment vessels upon host structures that are floating and subjected to a...
|
|
|
6968899 |
Drilling-workover vessel having a drill string extending through at least one swivel
A vessel ( 1 ) comprises a rotatable turret ( 14 ) and a supporting structure ( 3 ) over or on the turret for supporting a swivel ( 5 ). The swivel comprising an inner and an outer ring ( 21,...
|
|
|
6926467 |
Method and device for replacing equipment on the seabed
A device ( 20 ) for replacing equipment, i.e. modules on an installation ( 10 ) on the seabed. The device comprises a box-shaped buoyancy element which has storage spaces ( 25 ) for equipment...
|
|
|
6907326 |
Autonomous surf zone line charge deployment system
A system and method autonomously clears obstacles and mines from an approach lane. A ship is distantly located from an approach lane spanning a surf zone and beach portion, and the ship has...
|
|
|
6877565 |
Arrangement for the removal of cuttings and gas arising from drilling operations
An end piece arrangement is mounted on an end of a pipe sleeve to close off the annular passage between the pipe sleeve and drill stem and to divert an upward flow of sludge, cuttings and gas into...
|
|
|
6840322 |
Subsea well intervention vessel
A subsea well intervention vessel including a dynamically positionable tanker and direct well intervention equipment mounted on a deck of the tanker. The direct well intervention equipment is...
|
|
|
6718899 |
Method for installing a number of risers or tendons and vessel for carrying out said method
A method of connecting two or more elongate connection members ( 105 ) between the seabed and a floating vessel ( 106 ) carrying a connector ( 102 ) which is suspended from the vessel by at least...
|
|
|
6685397 |
Riser system
Where a submarine wellhead is coupled to a floating vessel by a riser in the form of a flexible hose, vessel movements subject the riser to excessive strains where the riser is tethered ask to the...
|
|
|
6672391 |
Subsea well production facility
A method and system for separating and treating water produced from a subsea well includes separating the water subsea, and then separating the water from residual hydrocarbons on a surface vessel....
|
|
|
6672390 |
Systems and methods for constructing subsea production wells
Systems and methods for time, and labor efficient construction and production of subsea wells include a surface blowout preventer stack, a high pressure riser, and a drill thru Xmas tree. The...
|
|
|
6601649 |
Multipurpose unit with multipurpose tower and method for tendering with a semisubmersible
A semisubmersible multipurpose unit (MPU) having a deck, a multipurpose tower secured to the deck, supports, pontoons connected to the supports with each pontoon adapted for ballast transfer, at...
|
|
|
6595725 |
Tethered buoyant support for risers to a floating production vessel
A mid-water tethered buoyant support assembly for a riser system for use in water is described to bring fluids from seabed equipment to a production vessel at the surface. The tethered buoyant...
|
|
|
6591913 |
System and method for lessening impact on Christmas trees during downhole operations involving Christmas trees
A system and method for lessening impact on Christmas trees during downhole operations involving Christmas trees, by way of example and not limitation such as cementing processes. The system...
|
|
|
6470969 |
Arrangement on a floating device for overhauling offshore hydrocarbon wells
An arrangement on a floating device for overhauling offshore hydrocarbon wells comprises a drill floor for conducting the overhaul, where the drill floor is provided with an opening. A vertically...
|
|
|
6352115 |
Device for fitting an oil pipe stiffening sleeve on a support structure
A device for fitting a stiffening sleeve which is located at the end of an oil pipe onto a bearing structure. The device comprises an internal hollow tube fixed on the bearing structure, the tube...
|
|
|
6332500 |
Anchor system for the transfer of fluids
An anchoring system for the production of hydrocarbons at sea by employing a moored production vessel or ship in which the ship is equipped with a mooring apparatus, preferably at the bow portion,...
|
|
|
6278937 |
Method and apparatus for controlling the position of floating rig
Disclosed is a system for controlling the position of a floating rig that permits holding the rig at a position optimum to an excavation riser even if a position signal of the floating rig is not...
|
|
|
6230809 |
Method and apparatus for producing and shipping hydrocarbons offshore
A method and apparatus for off-shore production of oil. Special shuttle tankers with high-pressure cargo tanks capable of containing the produced live crude oil at a pressure close to that of the...
|
|
|
6182763 |
Subsea module
|
|
|
6113314 |
Disconnectable tension leg platform for offshore oil production facility
A quick connect/disconnect system for an offshore oil/gas production platform is facilitated by a submerged connection header for the platform. The platform comprises a vessel with a connection bay...
|
|
|
5950732 |
System and method for hydrate recovery
A system for recovering liquid hydrocarbons from hydrates on an ocean floor includes a vessel, a positioning subsystem coupled to the vessel for holding the vessel in a desired location over a...
|
|
|
5582252 |
Hydrocarbon transport system
A system for transporting hydrocarbon fluid produced from an offshore well using an offshore production platform and a hydrocarbon fluid storage space in fluid communication with the offshore well...
|
|
|
5575592 |
TLP tension adjust system
A tension leg platform system includes a relatively small platform (12, FIG. 3 ) and relatively low capacity tendons (16), despite providing sufficient tension to risers (34) that carry...
|
|
|
5549164 |
Method and apparatus for production of subsea hydrocarbon formations
A well tender system for controlling, separating, storing and offloading well fluids produced from subsea hydrocarbon formations. The system comprises a vertically aligned series of tethered...
|
|
|
5542783 |
TLP and detachable derrick vessel
An offshore production system of the type that includes a TLP (tension leg platform) (12) and a derrick vessel (14) which moves to the TLP platform (16) whenever the derrick is required. The vessel...
|
|
|
5390743 |
Installation and method for the offshore exploitation of small fields
System for optimizing the development of small oil deposit comprising a main platform, a floating structure including pumping means, the system being positioned close to at least one production...
|
|
|
RE34071 |
Surface wellhead
A casing installation system usable with tubular casing having an upper end portion and a lower portion, for anchoring the upper end portion of the casing on an outer casing string secured to a...
|
|
|
5046896 |
Inflatable buoyant near surface riser disconnect system
A riser system includes inflatable buoyancy bladders and a near surface disconnect so that a drilling vessel can rapidly disconnect from the riser leaving the riser in a freestanding buoyant position.
|
|
|
4615542 |
Telescopic riser joint
This invention relates to a joint for risers, and particularly to a telescopic joint suitable for expandably connecting composite-pipe type riser pipes provided internally with tubing pipes. Its...
|
|
|
4566824 |
System for drilling from a water surface, which is insensitive to the swell
System for drilling from a water surface, of the type having means for exerting and maintaining on the drilling tool a bearing stress, which is constant and normal to the surface to be perforated,...
|
|
|
4512409 |
Moonpool guidance system for floating structures
A guidance system for centering and guiding various drill strings or risers within a moonpool of a floating structure, e.g. a caisson vessel. The system comprises one or more guidance vehicles....
|
|
|
4512408 |
Moonpool guidance system for drill strings having attached umbilical lines
A system for guiding a drill string with an attached umbilical line through a moonpool of a floating structure. The system comprises a support means, and a workhead assembly secured to the outer...
|
|
|
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; ...
|
|
|
4258794 |
Underwater completion habitat
A submergible, underwater well completion habitat and a method of employing the same in the completion of wells at extended depths. The well completion habitat may be attached to an underwater well...
|
|
|
4249610 |
Offshore drilling control cable clamp system
A cable clamp for securing a control cable to a kill or choke line in a mud riser used in offshore drilling of oil and gas wells is described. The cable clamp is comprised of two portions, a fixed...
|