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Patent No. 6711769

Pillow with retractable umbrella

A pillow assembly having a supporting assembly and a retractable umbrella assembly that is easily transportable and allows a user to support his/her head while covering their face from sunlight.

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Class 166/250.08 - Leak testing or locating


Subclass of Class 166 - Wells
Definition: Testing or locating including the step(s) of finding a
No. of patents: 85
Last issue date: 09/13/2011


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NumberTitleIssue Date
8016035Chemical injection check valve incorporated into a tubing retrievable safety valve
Disclosed herein is a safety valve with a chemical injection configuration. The device includes a hydraulic fluid pressure operated piston at the housing. The device further includes a flow tube in operable communication with the piston and a chemical injection conf...
09/13/2011
8002032Hydraulic overshot with removable setting and testing core
A hydraulic overshot apparatus designed to slide over plain end tubing and set by applying hydraulic fluid, under pressure, via a hydraulic setting port, into a center chamber which allows pressure to direct to two different piston areas. The setting piston compress...
08/23/2011
7909095Valve device and associated methods of selectively communicating between an interior and an exterior of a tubular string
A valve device and associated methods of selectively communicating between an interior and an exterior of a tubular string. A valve device includes an openable and closable flowpath for selectively permitting and preventing flow between an interior and exterior of t...
03/22/2011
7775274Method for detecting fluid leakage from a subterranean formation
A method for the detection of a carbon dioxide leak from a plugged well extending from a surface of the earth to penetrate a subterranean formation which contains carbon dioxide by logging a collection chamber positioned in the plugged well. ...
08/17/2010
7748449Tubingless electrical submersible pump installation
A method of producing a well utilizes a submersible pump run on a line, such as braided wire rope, that includes power conductors. The operator sets a packer in the casing, the packer having a check valve and a tieback receptacle. The operator pressure tests the int...
07/06/2010
7708066Full bore valve for downhole use
Downhole tools and methods for producing hydrocarbons from a wellbore. A downhole tool can include a body having a bore formed therethrough and at least one end adapted to threadably engage one or more tubulars. A sliding sleeve, adapted to move between a first posi...
05/04/2010
7604050Wellhead and control stack pressure test plug tool
A test plug tool for use in testing a pressure integrity of a pressure control stack mounted to a wellhead, including a joint between a casing and a casing support in the wellhead. The test plug tool includes a test plug of an appropriate diameter used to pressure t...
10/20/2009
7516786Wellhead and control stack pressure test plug tool
A test plug tool for use in testing a pressure integrity of a pressure control stack mounted to a wellhead, including a joint between a casing and a casing support in the wellhead. The test plug tool includes a test plug of an appropriate diameter used to pressure t...
04/14/2009
7506688System and method for breach detection in petroleum wells
The present invention includes a method and system for detecting and locating a breach of a pipe in nested multi-pipe petroleum wells through the use and measurement of pressure valves and pressure sensors. The system “locates” breaches in the sense that it dete...
03/24/2009
7438135Method of suspending, completing and working over a well
Methods are provided in which reliance is placed on a first and second barrier respectively positioned in a well 10 to provide well control during well suspension, completion and/or workover operations. Each of the barriers is below the depth of the lowermost...
10/21/2008
7424915Vacuum pumping of conductor-in-conduit heaters
Certain embodiments provide a method that includes placing a heater element in an opening in a subsurface formation. The heater element is in a conduit. A pressure is reduced inside the conduit to a pressure below the vapor pressure of water at the temperature in th...
09/16/2008
7401654Blowout preventer testing system
A method and apparatus is disclosed for testing a blowout preventer (BOP) by: using a drillpipe to install a test plug into one end of the throughbore of a (BOP); using a valve in the BOP to isolate the opposite end of the throughbore of the BOP, using piping to con...
07/22/2008
7380598Method for detecting fluid leakage from a subterranean formation
A method for the detection of a fluid leak from a plugged well extending from a surface of the earth to penetrate a subterranean formation which contains fluid by logging a collection chamber positioned in the plugged well. ...
06/03/2008
7353879Biodegradable downhole tools
A disposable downhole tool or a component thereof comprises an effective amount of biodegradable material such that the tool or the component thereof desirably decomposes when exposed to a wellbore environment. In an embodiment, the biodegradable material comprises ...
04/08/2008
7318473Methods relating to maintaining the structural integrity of deviated well bores
Methods of enhancing at least partially the structural integrity of a longitudinal portion of a deviated well bore are provided. The methods include providing a gravel matrix composition; providing a longitudinal portion of a deviated well bore; and placing a suffic...
01/15/2008
7314089Method of wellbore pumping apparatus with improved temperature performance and method of use
Oil is recovered from a borehole using a pump having limited high temperature breakdown resistance. The pump is located in a borehole having a cooling zone, in which the temperature of the well fluid is reduced to, or below, the temperature at which the temperature ...
01/01/2008
7314082Methods of improving well bore pressure containment integrity
Methods of improving the pressure containment integrity of subterranean well bores are provided. The methods include pumping a fracture sealing composition into the well bore that rapidly converts into a high friction pressure sealing composition which is impermeabl...
01/01/2008
7299878High pressure multiple branch wellbore junction
A high pressure multiple branch wellbore junction. A wellbore junction system includes a wellbore junction with at least three bores extending therethrough. Exits of the three bores are axially spaced apart. At least two deflectors are formed on the wellbore junctio...
11/27/2007
7267179Method for rapid installation of a smaller diameter pressure control device usable on blow out preventers
The method for rapid installation of a smaller diameter pressure control device usable on an annular BOP or any type of BOP. The step are first installing a flange with a threaded profile upon an annular BOP. Next, install a bell nipple on the flange, then install a...
09/11/2007
7267177Tubing fill and testing valve
The present invention provides for a valve in a tubing string that allows the tubing string to fill with well fluids as the string is assembled and lowered into a well bore, but can be used to check pressure integrity of the tubing string during various stages of th...
09/11/2007
7260446Temperature protection method for machine tool
A method of protecting a rotating device, loaded by temperature of a machine tool with one temperature sensor on that device and a temperature bloc, comprising the steps of inputting specific parameters in the temperature bloc, estimating a value for the device temp...
08/21/2007
7228898Gravel pack completion with fluid loss control fiber optic wet connect
A gravel pack completion with fluid loss control and fiber optic wet connect. In a described embodiment, a system for completing a subterranean well includes multiple assemblies installed in a wellbore. Each assembly has a fiber optic line. The fiber optic lines are...
06/12/2007
7225867Liner top test packer
A liner hanger test packer assembly includes an axially translated liner top dressing mill having a calibrated shear mechanism for securing the mill at a first, top dressing position. Tool string load on the mill bearing upon the liner top in excess of the calibrate...
06/05/2007
7219736Externally testable redundant connections for subsea wells
An externally testable redundant connection for a subsea well includes a tube, a connector assembly, and collar. The connector assembly includes a jam nut over the tube; a ferrule over the tube adjacent the jam nut; and a double jam nut disposed over the tube adjace...
05/22/2007
7210533Disposable downhole tool with segmented compression element and method
A disposable downhole tool includes an elongated body and a compression element. The compression element is disposed about the elongated body. The compression element includes at least one preconfigured division at disposal of the disposable downhole tool. ...
05/01/2007
7210535Isolation system comprising a plug and a circulation valve and method of use
An isolation system for an oil and gas well is described wherein the system comprises an isolation section and a first isolation device integral with the section and a second isolation device sealingly engaged to the section. The first isolation device may be a pres...
05/01/2007
7207384Wellhead and control stack pressure test plug tool
A test plug tool for use in testing a pressure integrity of a pressure control stack mounted to a wellhead, including a joint between a casing and a casing support in the wellhead. The test plug tool includes a test plug of an appropriate diameter used to pressure t...
04/24/2007
7201232Washpipeless isolation strings and methods for isolation with object holding service tool
An isolation string having an upper packer and an isolation pipe in mechanical communication with the upper packer, the isolation pipe comprises an operable valve and an object activated valve. An object holding service tool is adapted to release an object to activa...
04/10/2007
7178391Insertion tube methods and apparatus
A drill string comprises a first drill string member having a male end; and a second drill string member having a female end configured to be joined to the male end of the first drill string member, the male end having a threaded portion including generally square t...
02/20/2007
7168494Dissolvable downhole tools
A disposable downhole tool comprises a material that dissolves when exposed to a chemical solution, an ultraviolet light, a nuclear source, or a combination thereof. In an embodiment, the material comprises an epoxy resin, a fiberglass, or a combination thereof. In ...
01/30/2007
7134491Leak remedy through sealants in local reservoirs
The present invention provides a method for remedying minute seal leaks in downhole tools and equipment. The various embodiments of the present invention utilize pressure activated liquid sealants stored in local reservoirs to remedy such leaks. ...
11/14/2006
7124824Washpipeless isolation strings and methods for isolation
An isolation string having: an upper packer; and an isolation pipe in mechanical communication with the upper packer, wherein the isolation pipe comprises a pressure activated valve and an object activated valve. A method having: running-in an isolation string on a ...
10/24/2006
7108073Multiple interventionless actuated downhole valve and method
The multiple interventionless actuated downhole valve includes a valve movable between an open and a closed position to control communication between an annular region surrounding the valve and an internal bore and more specifically controlling communication between...
09/19/2006
7108071Automatic tubing filler
Methods and apparatus for filling a tubing string as it is lowered into a subterranean hydrocarbon well. In one embodiment, an apparatus to fill a tubular with fluid in a wellbore comprises a housing defining a central bore. An aperture formed in the housing provide...
09/19/2006
7096950Combined milling and scraping tool
A downhole tool (1) for providing the dual role of cleaning and milling within a wellbore casing or liner is described. In an embodiment scraper blades (6) are mounted on a body (2) together with a milling sleeve (4). Additionally, a cent...
08/29/2006
7093664One-time use composite tool formed of fibers and a biodegradable resin
The present invention is directed to disposable composite downhole tool formed of a resin-coated fiber. The fiber is formed of a degradable polymer, such as a poly(lactide) or polyanhydride. The resin is formed of the same degradable polymer as the fiber. It chemica...
08/22/2006
7063146System and method for processing signals in a well
A system and method for transferring data across a component in a well, according to which a first module receives the data and transmits the data, via electromagnetic waves, through the component, and a second module receives the transmitted data from the first mod...
06/20/2006
7062960Blow out preventer testing apparatus
The consequences of any failure of a blow out preventer assembly to operate correctly in an emergency can be far reaching. Thus, there is provided an apparatus for registering parameters in the bore of a member which is, in use, connected to a pressurised housing, t...
06/20/2006
7031841Method for determining pressure of earth formations
A method for determining formation pressure at a depth region of formations surrounding a borehole, including: keeping track of the time since cessation of drilling at the depth region; deriving formation permeability at the depth region; causing wellbore pressure t...
04/18/2006
6966381Drill-through spool body sleeve assembly
A drill-through spool body sleeve assembly comprises a test sleeve removably installed within a drill-through spool body having a bore with the terminal ends of the outer diameter of the test sleeve sealingly engaging the bore wall. The sleeve assembly also comprise...
11/22/2005
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