Matches 1 - 50 out of 115 1 2 3 >


Match Document Document Title
9033053 Method and device for extending lifetime of a wellhead  
A method and a device are for extending the lifetime of a Christmas tree. The Christmas tree is provided with at least a first high-pressure hydraulic valve pack, a first low-pressure hydraulic...
8955592 Grease delivery system  
A grease delivery system for delivering grease to a location is provided. The grease delivery system comprises: a first grease reservoir having a first grease output and a first output device...
8939215 Gasless pilot accumulator  
A gasless subsea accumulator having a series of opposing springs in two separate chambers defined by a central cross shaped member for translating force on a piston in the accumulator to dampen...
8939212 Corrosion barrier cap system  
A subsea cap method and system having a canister attached to a port in a subsea cap that is positioned on a subsea structure and materials contained within the canister for release through the...
8905141 Subsea operating valve connectable to low pressure recipient  
A valve useable in an undersea apparatus for generating a force for closing a blowout preventer (BOP) based on a pressure difference between a low pressure recipient and ambient pressure, an...
8887814 Offshore universal riser system  
An offshore universal riser system. A riser system includes a valve module which selectively permits and prevents fluid flow through a flow passage extending longitudinally through a riser string....
8863844 Subsea arrangement  
A subsea arrangement comprising an external casing and a pressure equalizing valve for equalization of the fluid pressure in an internal space of the casing. The pressure equalizing valve...
8851181 Method for circulating a fluid entry out of a subsurface wellbore without shutting in the wellbore  
A method for removing a fluid influx from a subsea wellbore drilled using a pump to return fluid from the wellbore to the surface. The method includes detecting the influx when a rate of the...
8844633 Method for maintaining wellbore pressure  
A method for maintaining wellbore pressure includes reducing flow rate of a drilling fluid pump fluidly connected to a drill pipe in the wellbore. Flow out of the well is enabled into a first...
8807226 Subsea wellhead assembly  
Subsea wellhead assembly with an inner bore for conduction of produced hydrocarbons, equipped with a cooling means for cooling a section of the wellhead assembly exposed to heating by said...
8807224 Subsea arrangement  
A subsea arrangement comprising an external casing and a pressure equalizing valve for equalization of the fluid pressure in an internal space of the casing. The pressure equalizing valve is...
8807223 Method and apparatus to control fluid flow from subsea wells  
The present invention is directed to methods and apparatus to construct subsea wells with redundant parallel fluid flow control systems to allow new methods to stop subsea blow outs. More...
8800664 Non-rotating buoyancy modules for sub-sea conduits  
A buoyancy module assembly reduces the effective weight of a sub-sea conduit used in a deep-water wellbore drilling installation. The assembly includes a buoyant sleeve positioned around the...
8794333 Combination blowout preventer and recovery device  
A combination blowout preventer and recovery device, comprising a lower part that is placed over a well pipe, and an upper part having a channel and plates to close it. The large end of the valve...
8794308 Blowout preventer and flow regulator  
A blowout preventer and flow regulator, comprising blocks, each having a channel and plates to close it. The blocks are placed over a pipe through which oil or other fluid is escaping, so that the...
8768628 Rise in core wettability characterization method  
The various embodiments herein provide a method for determining core wettability characteristics of reservoir rock samples based on modified form of Washburn equation. The method involves...
8657011 Underwater power generation  
A method for providing auxiliary electrical power to an underwater well installation, the installation being linked to a surface location via an umbilical cable, to supplement any electrical power...
8653985 Shutdown system  
A production shutdown system for an underwater hydrocarbon production facility, comprising, on the topside: a safety system, anda communications module;and, underwater;drive control means, andan...
8651189 Blowout recovery valve  
removable blowout recovery valve. The large end of the valve (or funnel) is placed over a well pipe (or other pipe) through which oil (or other fluid) is flowing out. The small end of the valve is...
8555977 Remotely operated underwater redirection plenum chamber for spill response  
Remotely operated underwater redirection plenum chamber for spill response. A method for operating an underwater redirection plenum chamber including aligning a first end of the redirection plenum...
8540028 Autonomous junk collecting sleeve for a riser  
An autonomous junk collecting sleeve for a riser is provided. The sleeve is constructed and arranged to be independently lowered and seated above a subsea tree section and, subsequently, raised...
8534363 Methods and devices for restoring control and resuming production at an offshore oil well following an uncontrolled fluid release after an explosion  
Methods and devices for restoring control of at an offshore oil well following an uncontrolled fluid release after an explosion include lowering through a riser of successive flow restricting...
8528666 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 530...
8500419 Subsea pumping system with interchangable pumping units  
A technique is provided for pumping fluid in subsea applications. A self-contained pumping module is created by mounting one or more removable pumping units on a skid that can be lowered to a sea...
8474536 Method and alignment system for killing an uncontrolled oil-gas fountain at an offshore oil platform using a telescopic rod assembly  
A method and an apparatus for killing of uncontrolled oil fountain include a series of rods with the first rod having the smallest diameter and successive rods having increasing diameters. Such...
8430167 Arcuate control line encapsulation  
Control lines on the outer surface of a tubular disposed within a drilling riser casing may be encapsulated to facilitate formation of a seal in an annular space defined by an inner surface of the...
8430165 Increasing the viscosity of viscoelastic fluids  
In hydrocarbon recovery applications, viscoelastic surfactant (VES) gelled fluids may be preheated to a temperature that will increase viscosity of the VES gelled fluid. The preheated VES gelled...
8413722 Method for circulating a fluid entry out of a subsurface wellbore without shutting in the wellbore  
A method for removing a fluid influx from a subsea wellbore drilled using a pump to return fluid from the wellbore to the surface. The method includes detecting the influx when a rate of the...
8281862 Testing subsea umbilicals  
An aspect encompasses a method of testing a subsea umbilical where a first portion of testing is performed on the subsea umbilical, the testing comprising hydraulic testing and at least one of...
8267201 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 providing a barge 10, the barge 10 having at least one storage area 30, a...
8256519 System and method for sub-cooling hydrocarbon production fluid for transport  
A technique is provided for producing a slurry of solid particulates and hydrocarbon production fluid for transport via a subsea flow line. The technique utilizes a cold flow system that cools...
8215028 Slurrification process  
A system for slurrifying drill cuttings including a cuttings dryer, a pump, and a transfer line fluidly connecting the cuttings dryer and the pump, the transfer line having a fluid inlet for...
8201634 Subsea cementing plug system with plug launching tool  
A subsea cementing system that includes a first wiper plug having a central bore releasably connected to a launching mandrel, and a second wiper plug having a central bore releasably connected to...
8191635 Hole opener with hybrid reaming section  
A hole opener having a hybrid reaming section for downhole earth boring operations may include a reamer body having an axis of rotation, an outer periphery, and upper and lower ends, a plurality...
8179279 Method and device for producing hydrocarbons using wireless communication  
A subsea production system adapted for wireless communication so that production tree operation can be controlled locally wirelessly from a workover umbilical or remotely controlled vehicle. The...
8162064 Autonomous junk collecting sleeve for a riser  
An autonomous junk collecting sleeve for a riser is provided. The sleeve is constructed and arranged to be independently lowered and seated above a subsea tree section and, subsequently, raised...
8096365 Hydraulic control system  
A hydraulic control system for controlling an external device (4) at a well installation includes a control module (2) for generating electrical and/or optical control signals. A control pod (8)...
8096371 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 530...
8003573 Method for remediating flow-restricting hydrate deposits in production systems  
A method to remove hydrate plugs in a production system by passing a non-hydrate-forming or a hydrate-forming gas, which forms hydrates at a higher pressure than the existing hydrate, through the...
7997335 Jet pump with a centrifugal pump  
A seafloor pump assembly is installed within a caisson that has an upper end for receiving a flow of fluid containing gas and liquid. The pump assembly is enclosed within a shroud that has an...
7963335 Subsea hydraulic and pneumatic power  
Systems and methods for providing energy to sub-sea support equipment. Energy can be provided by diverting at least a portion of a fluid from a well producing system to sub-sea support equipment...
7886848 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 530...
7806186 Submersible pump with surfactant injection  
A submersible pumping system for use downhole that includes a housing, a pump and gas separator within the housing, a motor for driving the pump and separator, and a foaming agent injection...
7759827 DC voltage converting device having a plurality of DC voltage converting units connected in series on an input side and in parallel on an output side  
A DC voltage converting device is on the output side connected to a DC voltage source and, on the output side, supplies a converted DC voltage to at least one electrical consumer via a cable...
7669670 Procedure for installing horizontal drains for uptake of sea water  
A procedure for the installation of horizontal drains for uptake of seawater of the type of those that use horizontal directional drilling (HDD) with widening by means of reamers and use of...
7650943 Hydraulic control system  
A hydraulic control system for controlling an external device (4) at a well installation includes a control module (2) for generating electrical and/or optical control signals. A control pod (8)...
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 530...
7481270 Subsea pumping system  
A pumping system is disclosed for producing hydrocarbons from a subsea production well with at least one electrical submersible pumping (ESP) hydraulically connected to at least one multiphase...
7424917 Subsea pressure compensation system  
Systems and method for operating subsea devices and pressure compensated reservoir systems useful therewith which in certain aspects, include a chamber with a piston therein acted on an exposed...
7407022 Apparatus for pumping drill cuttings and dual cylinder positive displacement pump for moving drill cuttings and method of use  
A dual cylinder positive displacement pump is used to move drill cuttings. The pump may include one or more of a self-sealing wear ring member/wear plate member interface, stainless steel pumping...

Matches 1 - 50 out of 115 1 2 3 >