U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Icon_funbox Did You Know...

...When G.G. Hubbard learned of his future son-in-law's invention, he called it "only a toy." His daughter was engaged to a young man named Alexander Graham Bell.

Newsletter  PatentStorm News

Make the Most of Our Site

See this month's Top Inventors and Most Cited Patents.

Stay on top of the latest innovations by subscribing to an RSS feed.

Registered users: Manage your profile.

 

Class 166/335 - SUBMERGED WELL


Subclass of Class 166 - Wells
Definition: Process, apparatus, or device including a step of, or means
No. of patents: 99
Last issue date: 06/21/2011


1      
NumberTitleIssue Date
7963335Subsea 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 units that can be disposed in the vicinity of the sea-floor, sea-bed, o...
06/21/2011
7806186Submersible 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 system. The foaming agent injection system injects a foaming agent upstream ...
10/05/2010
7424917Subsea 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 side by water, e.g. sea water, to provide operational hydraulic fluid fo...
09/16/2008
7407022Apparatus 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 cylinders, and a hopper with an inclined surface. ...
08/05/2008
7387166Electrically 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 by the motor and at least one hydraulic line which communicates betw...
06/17/2008
7360595Method and system for underground treatment of materials
A method for underground treatment of subsurface materials comprises providing an injection pattern and a recovery pattern, the injection pattern and the recovery pattern located proximate to a subsurface treatment zone and at least one of the injection pattern and ...
04/22/2008
7328741System for sensing riser motion
A riser monitoring assembly is provided to monitor and manage a riser extending between subsea well equipment and a floating vessel. A riser measurement instrument module is connected adjacent a selected portion of the riser provides dynamic orientation data for the...
02/12/2008
7325598Vacuum assisted seal engagement for ROV deployed equipment
A method and apparatus for attaching a first component which comprises a depending portion to a second component which comprises a bore that is sized and configured to receive the depending portion, wherein the first and second components are exposed to a fluid whic...
02/05/2008
7316525Vortex induced vibration optimizing system
There is disclosed a system comprising a structure, a vortex induced vibration monitoring system, adapted to monitor a vortex induced vibration level of the structure, a tensioner connected to the structure, and a controller adapted to calculate a tension on the str...
01/08/2008
7314084Subsea pumping module system and installation method
The present invention contemplates a system comprising a pumping module coupled to an intermediate flow inlet (IFI) wherein said IFI is coupled to a base structure disposed on the flow line that routes production from one or more oil wells, allowing for the quick an...
01/01/2008
7308943Well operations system
A wellhead has, instead of a conventional Christmas tree, a spool tree in which a tubing hanger is landed at a predetermined angular orientation. As the tubing string can be pulled without disturbing the tree, many advantages follow, including access to the producti...
12/18/2007
7287595Electric-hydraulic power unit
The present invention is directed to an electric-hydraulic power unit. In one illustrative embodiment, the power unit comprises a body having a movable pressure barrier positioned therein, the movable pressure barrier defining first and second chambers therein, a co...
10/30/2007
7275595Method and apparatus to isolate fluids during gravel pack operations
The present invention provides for an apparatus and method to displace fluids and to prevent the mixing or bypassing of fluids used in gravel pack operations. A moveable plug is used to create a physical partition between fluids. ...
10/02/2007
7270185Drilling system and method for controlling equivalent circulating density during drilling of wellbores
A drilling system for drilling subsea wellbores includes a tubing-conveyed drill bit that passes through a subsea wellhead. Surface supplied drilling fluid flows through the tubing, discharges at the drill bit, returns to the wellhead through a wellbore annulus, and...
09/18/2007
7264048Slot cavity
A method for accessing a subterranean zone from the surface includes drilling a substantially vertical well bore from the surface to the subterranean zone and forming a slot cavity in the substantially vertical well bore proximate to the subterranean zone. The slot ...
09/04/2007
7261164Floatable 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, storage, transportation and disposal of the cuttings. In an exemplary ap...
08/28/2007
7259688Wireless reservoir production control
A reservoir production control system includes a plurality of wells for producing a reservoir linked to a central computer over a downhole communication network and a surface communication network. Both the downhole and the surface communication networks are wireles...
08/21/2007
7249634Apparatus for production in oil wells
An apparatus uses at least one injection pump (9) positioned in proximity to an undersea petroleum well (10) to provide hydraulic fluid for hydraulic pumping equipment positioned in the bottom of the well, in order to cause a flow of produced oil. The ...
07/31/2007
7234522Apparatus and method for drilling a wellbore with casing and cementing the casing in the wellbore
A float system for use in cementing a casing in a wellbore. The wellbore is drilled with a drill bit attached to the casing. The drill bit is removed after the wellbore is drilled. The float system is lowered into the casing after the drill bit is removed. The float...
06/26/2007
7234524Subsea chemical injection unit for additive injection and monitoring system for oilfield operations
A system monitors and controls the injection of additives into formation fluids recovered through a subsea well. The system includes a chemical injection unit and a controller positioned at a remote subsea location. The injection unit uses a pump to supply one or mo...
06/26/2007
7225877Subsea intervention fluid transfer system
A system for subsea transfer of intervention fluids to a subsea intervention apparatus, the system, in certain aspects, including a structure and a frame pivotably mounted thereto, a plurality of frame fluid conduits on the frame for conducting fluid from a connecto...
06/05/2007
7213644Cavity positioning tool and method
In accordance with the teachings of the present invention, a method is provided for preventing formation of sludge in a subsurface cavity having particulate laden fluid disposed therein. The method includes positioning a downhole device having a fluid agitator into ...
05/08/2007
7207390Method and system for lining multilateral wells
In accordance with one embodiment of the present invention, a method for lining a lateral wellbore includes drilling a main wellbore extending from a surface to a subterranean zone, casing the main wellbore with a main casing having a plurality of lateral wellbore w...
04/24/2007
7207395Method and system for testing a partially formed hydrocarbon well for evaluation and well planning refinement
A method and system for testing a partially formed well includes forming a first well bore intersecting a subterranean formation. The first well bore includes a portion of a planned well having a first configuration. A production characteristic of the subterranean f...
04/24/2007
7163063Method and system for extraction of resources from a subterranean well bore
A method for stimulating production of resources from a coal seam includes forming a drainage well bore in the coal bed that has a first end coupled to a ground surface and a second end in the coal seam. The method further includes inserting a liner into the well bo...
01/16/2007
7156183Electric hydraulic power unit and method of using same
An apparatus includes a housing defining a chamber therein and defining an inlet port and an outlet port and a movable pressure barrier, disposed in the chamber, separating the chamber into first and second portions, the inlet port and the outlet port being in fluid...
01/02/2007
7152682Subsea 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 from the inlet and creating a source of energy; a multiphase separator f...
12/26/2006
7137450Electric-hydraulic power unit
The present invention is directed to an electric-hydraulic power unit. In one illustrative embodiment, the power unit comprises a body having a movable pressure barrier positioned therein, the movable pressure barrier defining first and second chambers therein, a co...
11/21/2006
7137451Controlling and/or testing a hydrocarbon production system
A system for use in controlling and/or testing an underwater hydrocarbon production system, has a number of control modules for controlling well trees. The control modules are provided, not at the trees, but at a control center for location underwater. The trees are...
11/21/2006
7123162Subsea communication system and technique
A subsea communication system is used to communicate between a position that is proximal to a surface of the sea and an apparatus of the seabed. The subsea communication system includes an umbilicalless communication system. ...
10/17/2006
7100687Multi-purpose well bores and method for accessing a subterranean zone from the surface
A well system includes at least two well bores extending from a surface to a subterranean zone. Each of the two well bores is used to form a well bore pattern for the subterranean zone that intersects the other well bore and transports fluid from the subterranean zo...
09/05/2006
7096955Long duration fuel cell system
A subsea fuel cell and system adapted for long duration use. The subsea fuel cell comprises a fuel cell stack and a water discharge system. In alternate embodiments, the subsea fuel cell can further comprise an impurity discharge system. ...
08/29/2006
7093660Well operations system
A wellhead has, instead of a conventional Christmas tree, a spool tree in which a tubing hanger is landed at a predetermined angular orientation. As the tubing string can be pulled without disturbing the tree, many advantages follow, including access to the producti...
08/22/2006
7090019Casing cutter
A subsea well casing cutting tool for use as part of a well abandonment procedure, the casing cutting tool deployable from a vessel located at a water surface, where in certain embodiments the casing cutting tool comprises a casing gripper; a rotary cutter drive ass...
08/15/2006
7073595Method and system for controlling pressure in a dual well system
A method for controlling pressure of a dual well system includes drilling a substantially vertical well bore from a surface to a subterranean zone and drilling an articulated well bore from the surface to the subterranean zone using a drill string. The articulated w...
07/11/2006
7070361Apparatus and methods for providing VIV suppression to a riser system comprising umbilical elements
Apparatus for suppressing vortex induced vibrations on a marine element of a riser system wherein the riser system comprises at least one umbilical element. Systems comprising and methods of using said apparatus to suppress vortex induced vibrations. The apparatus, ...
07/04/2006
7055610Plug concealment and diversion tool
A tool for capturing and retaining a pump down plug or ball which has been released from equipment above in a well bore, concealing the pump down plug from subsequent flow of fluid or other material through the tool, and diverting flow from a normal circulation port...
06/06/2006
7055623Method for the drilling of the initial phase of deep water oil wells with an underwater well head
Improved method for the drilling of the initial phase of deep water oil wells with an underwater well head consisting in the positioning and cementation of the conductor pipe and anchorage casing by means of a single drilling phase. A tapered hole (with a double dia...
06/06/2006
7051804Subsea protective cap
A cap for covering an open upper end of a subsea structure includes a base and a body. The base has a size, after shrinkage, at least slightly larger than the exterior of the open upper end of the subsea structure. The body is connected to the base and projects down...
05/30/2006
7048049Slant entry well system and method
A system for accessing a subterranean zone from the surface includes an entry well bore extending down from the surface. A plurality of slanted well bores extend from the entry well bore to the subterranean zone. Drainage patterns extend from the slanted well bores ...
05/23/2006
1      
 
Sign InRegister
Username  
Password   
forgot password?