Matches 1 - 50 out of 123 1 2 3 >
Match Document Document Title
7654328 Subsea compressor module and a method for controlling the pressure in such a subsea compressor module  
A subsea gas compressor module having a housing comprising a sealing element generally defining within the pressure housing a first compartment holding as compressor and a second compartment...
7621338 Non-orienting tree cap  
A wellhead assembly includes a tree cap having a production mandrel extending down into a production passage of a Christmas tree to form a seal. The tree has an annulus bore and an annular cavity...
7600570 Drilling rig placed on the sea bed and equipped for drilling of oil and gas wells  
A drilling placed on the seabed and arranged for drilling of oil and gas wells is remote controlled from a light drilling vessel ( 2 ) through pipes and signal cables ( 3 ). The main structure of...
7575254 Stiffener fixation assembly for a protective assembly that protects a flexible tube against wear due to friction  
A stiffener fixation assembly fixed to the outer cover of a flexible tube, the flexible tube being in contact with a stiffener in an I-tube, at the end of which a bell mouth may be fixed, whereby...
7393158 Shrink for centralizer assembly and method  
A centralizer system is provided for use in a marine riser system, the centralizer being preferably heat-shrink fitted to an upset portion of a keel joint, the upset portion having tapered sections...
7261164 Floatable drill cuttings bag and method and system for use in cuttings disposal  
In aspects, embodiments of the present invention provide devices, systems and methods for managing cuttings formed during drilling of a subsea wellbore. By managing, it is meant the processing,...
7210531 Protective element for a riser segment  
A protective element for a riser segment, including an elongated buffer body, at least one foot connected with the buffer body, the at least one foot being provided with an engagement part arranged...
7200540 System and method for automated platform generation  
Systems for implementing methods for generating platform location sets comprising selecting a set of platform locations; determining additional platform locations to add to the set of platform...
7185705 System and method for recovering return fluid from subsea wellbores  
A subsea return fluid recovery system for recovering drilling fluid and cuttings (“return fluid”) from a subsea wellbore in one embodiment includes a hub at the opening of the subsea wellbore...
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...
6889770 Method for thermally protecting subsea installations, and apparatus for implementing such thermal protection  
Method for protecting subsea installations against cooling which leads to hydrate formation, in particular during production halts. This is achieved by thermally isolating portions of the...
6796379 Drilling waste handling  
A method and an apparatus for storage and transport of drilling waste is provided. A number of storage containers ( 12 ) are anchored to the sea bed by means of anchors ( 15 ) and cables ( 13 )....
6622793 Method for carrying out operations on petroleum and gas fields and deep-sea platform for realizing the same  
A method for carrying out operations on petroleum and gas fields is provided. The method involves using a platform which is located underwater when in working position at a depth where it is not...
6564873 Apparatus for offshore production of hydrocarbon fluids  
An apparatus for offshore production of hydrocarbon fluids is disclosed. The apparatus comprises a base and a buoyant structure secured to said base and connected or adapted to be connected to a...
6457526 Sub sea bottom hole assembly change out system and method  
The components required for changing out a bottom hole assembly are stored within a submerged storage chamber adjacent the lower end of a riser extending up from the bottom of a body of water. A...
6341572 Explosion prevention system for internal turret mooring system  
A method and apparatus for ensuring against explosion of the gaseous atmosphere of a closed chamber, such as the QDCD room of an internal turret of an offshore production and offloading buoy...
6182762 Storm valve  
A method and apparatus for temporarily storing the lower portion of a string of drill pipe in a well which has a cased portion wherein a packer, installed between a storm valve located below the...
6102124 Flying lead workover interface system  
Flying lead hydraulic and electrical umbilical arrangements are disclosed for control of a subsea christmas tree for production and workover operations. Alternative arrangements for deep water ROV...
5992526 ROV deployed tree cap for a subsea tree and method of installation  
A lightweight ROV deployable tree cap (28) for deployment on a subsea production hub (10) of a subsea tree. A tree cap (28) has a lightweight body (30) with parallel planar sides and including...
5894890 Normally closed retainer valve with fail-safe pump through capability  
A retainer valve provides increased safety in wellsite operations. In a preferred embodiment, operation of the retainer valve may be responsive to control line pressure or to tubing pressure. The...
5860478 Sub-sea test tree apparatus  
Apparatus and a method for killing a live well after activation of a well blowout preventer is described. This is achieved by providing apparatus in the form of a shear or kill sleeve (34) in a...
5810515 Protective device for an installation mounted on the seabed  
A means (20) for protecting a device (2) which a installed on the sea bed (11) and projects up therefrom. The means comprises a central section (21) which is arranged to be attached to the upper...
5642965 Interface system for operation of remote control vehicle  
All points at which torque is usually applied to subsea equipment, particularly in the search for and production of oil, are centralized at a single panel upon which standard kinds of connecting...
5607901 Environmentally safe annular fluid  
An environmentally acceptable, thermally insulating annular fluid comprised of a liquid which is non-aqueous, non-corrosive, and thermally insulating, a clay gellant, and a clay dispersant. A...
5398761 Subsea blowout preventer modular control pod  
A modular subsea control pod assembly having a retrievable pod assembly and a receptacle assembly. The retrievable pod assembly has a stab block and at least one function port having an opening in...
5398762 Compressor system in a subsea station for transporting a well stream  
In a subsea station for transporting a well stream, comprising a compressor (12, 13) with a motor (8) in a common drive atmosphere within a pressure shell (21), and provided with a lube oil circuit...
5310286 Cased glory hole system  
A glory hole silo comprising a cylindrical casing open at the upper end thereof; an upwardly open porch for supporting a flowline, said porch extending horizontally from and cantilevered with...
5279368 Anti-fouling covering for use in sub-sea structures  
An anti-fouling covering is applied to a tubular offshore structure to prevent fouling tubular goods by marine growth. The covering comprises metal sheeting which is deformed to provide spaced...
5259458 Subsea shelter and system for installation  
A subsea abandoned wellhead protection system which may be installed underwater without the need for underwater assistance from divers or the like, the system allowing full site preparation and...
5238069 System for preventing cutting gas explosion during subterranean pipe cutting operations  
An apparatus and system designed to prevent cutting gas buildup and explosion of same during the cutting of underwater abandoned wellheads and the like. The present system as configured is...
5176471 Arrangement and method for protecting components in subsea systems  
Arrangement for protecting components such as valves and control units incorporated in subsea structures particularly for hydrocarbon production, including a template structure adapted to rest on...
5098219 Mobile submersible caisson for underwater oil-well drilling and production  
A mobile submersible caisson is employed to drill for and recover petroleum products from subsea wells and to deliver the products to shore or to vessels at the well site. The well drilling...
5050680 Environmental protection for subsea wells  
An enclosed protective chamber for a subsea wellhead assembly includes a main body installed on the sea floor. Subsea wellhead apparatus is mounted in the chamber on top of a well. A...
5044440 Underwater station for pumping a well flow  
The invention relates to an underwater station for pumping a well flow, comprising a separator for separating the well flow into liquid (oil/water) and gas, a pump assembly comprising a pump with a...
5026219 Portable wellhead and welder protector system  
Wellhead and welder protector comprising an easily erected, temporary shelter designed to envelope a wellhead and the immediate surrounding area of either a production platform, well bay area or...
4919210 Subsea wellhead protection system  
An artificial submerged structure and underwater wellhead protection system for sheltering a submerged, permanently or temporarily abandoned wellhead utilizing a sloped structure configured to...
4913238 Floating/tensioned production system with caisson  
A floating/tensioned production system for use in deepwater drilling and production operations generally combining a relatively small tension leg platform with a semisubmersible platform. The...
4913590 Mono-atmospheric chamber  
A mono-atmospheric chamber module for placing on the top of a Christmas tree (1) in a well-head, to keep equipment and personnel at surface conditions during the execution of varied well...
4903764 Swivelsub  
A swivelsub comprising a sleeve member which is sealable and lockable by means of the annular preventer of a blowout preventer, with at least one end portion of the sleeve being lockable to the...
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...
4825953 Well servicing system  
Disclosed is a wireline well servicing system for underwater wells utilizing a lubricator stack having upper and lower sections connected by a remotely operable connector. The lower lubricator...
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....
4694909 Riser support system  
An off-shore floating oil production system is provided with an improved riser support. The oil production system comprises a floating vessel 2 having a moonpool 3 and a support system for...
4679964 Offshore well support miniplatform  
For use with a subsea well incorporating an external conductor pipe extending upwardly above the seabed, a well support miniplatform is set forth. In the preferred and illustrated embodiments, the...
4674915 Manipulator apparatus for gripping submerged objects  
A manipulator apparatus carried by a remotely operated vehicle is provided with a suction device capable of gripping underwater objects. The suction portion of the manipulator apparatus utilizes...
4673041 Connector for well servicing system  
A remotely operable connector having releasably connectable male and female members. The male member sealingly engages the female member on connection. The female member houses radially moveable...
4669915 Manipulator apparatus with flexible membrane for gripping submerged objects  
A manipulator apparatus carried by a remotely operated vehicle is provided with a suction device having a flexible membrane wall capable of gripping underwater objects. The suction portion of the...
4660496 Remotely releasable connections at a floating processing plant  
In an arrangement including remotely releasable couplings for riser conduits between the sea floor and a floating plant processing crude oil and/or gas, the couplings are located in at least one...
4604001 Jackdown tension leg platform  
A jackdown tension leg platform is set forth which may be used for processing a commodity liberated from the ocean floor by one or more wells. The platform includes a closed buoyant hull which...
4600339 Shield for protecting a well head and functional modules of an under sea station  
A shield for protecting a well head and functional modules in an under sea station comprising a composite cushion formed from a floor 6 made from a material less dense than water, such as a plastic...
Matches 1 - 50 out of 123 1 2 3 >