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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 175/5 - BORING A SUBMERGED FORMATION


Subclass of Class 175 - Boring or penetrating the earth
Definition: Process or apparatus comprising a step or means for sinking
No. of patents: 205
Last issue date: 03/16/2010


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NumberTitleIssue Date
7677329Method and device for controlling drilling fluid pressure
A method of reducing drilling fluid pressure during subsea drilling, where drilling fluid is pumped down into a borehole and then flows back to a drilling rig via the lined and/or unlined sections of the borehole and a liner, wherein the drilling fluid pressure is c...
03/16/2010
7644784Transport watercraft
A transport floor connected to the transport watercraft. An elevated drilling floor integrally connected to the transport floor; supporting a derrick comprising at least two rails for supporting a traveling top drive supported by a crown block. The crown block is co...
01/12/2010
7628225Drilling device
The present embodiments relate to systems for building and/or handling a tubular string of a drilling device. The drilling device comprises a drill floor and a drilling derrick extending from the drill floor. The drill floor has an extension in a first plane (P1
12/08/2009
7628224Shallow/intermediate water multipurpose floating platform for arctic environments
A method and apparatus for conducting simultaneous drilling and production are provided. The apparatus can include a ship shape floating vessel, wherein the ship shape floating vessel includes at least two drilling derricks, at least two drilling modules, and at lea...
12/08/2009
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
7367750Riser installation vessel and method of using the same
A vessel for exploration of hydrocarbons includes one or more risers extending from the vessel to the seabed, a hydrocarbon processing unit connected to the one or more risers and to a storage or transport structure for storing the processed hydrocarbons. The vessel...
05/06/2008
7367410Method and device for liner system
Method for drilling and lining a well wherein at least one liner (1, 2, 32) with a larger external diameter than the substantial part of a drilling riser (10) is pre-installed at a point below the substantial part of the drilling riser (10). A b...
05/06/2008
7353887Control systems and methods for active controlled bottomhole pressure systems
An active differential pressure device (APD device) in fluid communication with a returning fluid creates a differential pressure across the device, which controls pressure below the APD Device. In embodiments, a control unit controls the APD Device to provide a sel...
04/08/2008
7350597Drilling system and method
A drilling system for drilling a bore hole into an earth formation, the bore hole having an inside wall. A drill string reaches into the bore hole from a surface, leaving a drilling fluid return passage between the drill string and the bore hole inside wall. A botto...
04/01/2008
7334967Method and arrangement by a workover riser connection
A slip joint for a riser between a well and a floating petroleum installation, for example an oil platform. The slip joint includes, an outer pipe and an inner pipe, the pipes arranged to enable telescopic movement relative to one another in order to compensate for ...
02/26/2008
7325607Methods and systems for using high-yielding non-Newtonian fluids for severe lost circulation prevention
A system and method to model and analyze the mixing energies of high-yielding non-Newtonian fluids to prevent chemical lost circulation. Laboratory tests are performed under varying conditions from which data on the mixing energies needed to optimize the use of high...
02/05/2008
7320371Method and device for producing pretensioned anchorings
A method and device for boring, particularly percussion boring or rotary percussion boring, a hole in soil or rock material and for forming an anchoring. A borehole is formed by inserting a drill bit, and a casing tube is placed inside the borehole during the boring...
01/22/2008
7301472Big bore transceiver
In a subterranean well completion a bi-directional signal transmission system includes an in-line acoustic transceiver mounted in a tubing string extending through the wellbore, the transceiver being disposed beneath a hanger structure engaging the tubing string. Vi...
11/27/2007
7296628Downhole swivel apparatus and method
What is provided is a method and apparatus which can be detachably connected to an annular blowout preventer thereby separating the drilling fluid or mud into upper and lower sections and allowing the fluid to be displaced in two stages, such as while the drill stri...
11/20/2007
7287935Tendon assembly for mooring offshore structure
An offshore system for petroleum production has a buoyant platform. A tendon assembly secures to the platform and extends down to a counterweight located near the lower end. A piling is embedded in the sea floor. A socket at the counterweight telescopingly slides ov...
10/30/2007
7281585Offshore coiled tubing heave compensation control system
An offshore oil well assembly is provided that includes a floating vessel and a coiled tubing injector supported on the floating vessel. A coiled tubing string is movable by the injector into and out of a wellbore. The assembly also includes at least one measurement...
10/16/2007
7275605Rotatable drill shoe
A rotatable drilling shoe attachable to a section of casing that allows for drilling and casing of a well bore in a single trip. The drilling shoe includes a fixed section and a rotatable section that has a drillable bit attached thereto. The drilling shoe further i...
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
7264058Arrangement and method for regulating bottom hole pressures when drilling deepwater offshore wells
An arrangement and a method to control and regulate the bottom hole pressure in a well during subsea drilling at deep waters: The method involves adjustment of a liquid/gas interface level in a drilling riser up or down. The arrangement comprises a high pressure dri...
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
7255180Modular drill system requiring limited field assembly and limited equipment support
A modular transfigurable drilling rig comprises one or more transfigurable containers with drilling equipment to form an operational drilling rig. The transfigurable containers include a first and second load bearing support and a load bearing bottom disposed betwee...
08/14/2007
7240736Drilling and producing deep water subsea wells
Subsea wells are drilled and completed with an offshore floating platform in a manner that allows simultaneous work on more than one well. A first well is drilled and casing. Then a tubing hanger is run through a drilling riser and landed in the wellhead housing. Th...
07/10/2007
7237613Underbalanced marine drilling riser
A riser assembly for offshore drilling has an inner conduit suspended within an outer riser. A seal assembly seals an annular space between the inner conduit and the riser at the lower end of the inner conduit. The seal assembly has a pressure area that is independe...
07/03/2007
7231981Inline 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 plurality of cylinders housed within a tubular housing and a plurality of lo...
06/19/2007
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
7210530Subsea separation system
A preferred embodiment of the inventive fluid delivery system comprises a vertical liquid/vapor separator and riser assembly that comprises a multi-phase separator inlet, a vapor outlet and riser, and a liquid outlet port connected to a hydraulically-driven centrifu...
05/01/2007
7188677Tensioning 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 tubing extension (85) passing through a te...
03/13/2007
7185719Dynamic annular pressure control apparatus and method
A drilling system for drilling a bore hole into a subterranean earth formation, wherein at least a portion of the mud flow from the primary mud pump is diverted to the mud discharge outlet, thereby creating a backpressure system to readily increase annular pressure....
03/06/2007
7185705System 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 that directs fluid into a transport device. In one embodiment, the hub...
03/06/2007
7178592Closed loop multiphase underbalanced drilling process
The present invention provides apparatus and methods for handling fluids returning from a well. The fluids are introduced into a separator and a separated gas stream is recovered or recycled. The gas stream may comprise more than one phase. The separated gas stream ...
02/20/2007
7174975Control systems and methods for active controlled bottomhole pressure systems
Methods and control systems are provided for a wellbore drilling system having an active differential pressure device (APD device) in fluid communication with a returning fluid. The APD Device creates a differential pressure across the device, which reduces the pres...
02/13/2007
7168507Recalibration of downhole sensors
In downhole drilling tools, a first set of inexpensive and/or relatively small sensors that typically have lower accuracy and higher drift than conventional downhole sensors are located in the drill string adjacent to the bit. A second set of highly accurate sensors...
01/30/2007
7165634Method and apparatus for cementing drill strings in place for one pass drilling and completion of oil and gas wells
The steel drill string attached to a drilling bit during typical rotary drilling operations used to drill oil and gas wells is used for a second purpose as the casing that is cemented in place during typical oil and gas well completions. Methods of operation are des...
01/23/2007
7165610Removable seal
A removable seal 10 is provided for positioning in a bore 14 around an element which, in use, passes therethrough. The seal comprises: a cylindrical outer sleeve 13 having an axial bore, the sleeve 13 having at least one engagement portio...
01/23/2007
7159669Internal riser rotating control head
A holding member provides for releasably positioning a rotating control head assembly in a subsea housing. The holding member engages an internal formation in the subsea housing to resist movement of the rotating control head assembly relative to the subsea housing....
01/09/2007
7150324Method and apparatus for riserless drilling
An offshore riserless drilling system drills a subsea borehole from a platform and through a cased borehole. The system comprises a lightweight drill string suspending a bottomhole assembly and extending from the platform downwardly through a depth of water into the...
12/19/2006
7147068Methods and apparatus for cementing drill strings in place for one pass drilling and completion of oil and gas wells
The steel drill string attached to a drilling bit during typical rotary drilling operations used to drill oil and gas wells is used for a second purpose as the casing that is cemented in place during typical oil and gas well completions. Methods of operation are des...
12/12/2006
7134498Well drilling and completions system
A system for use in down hole operations, the system comprising a wellhead; a BOP ram package connected at one end to the wellhead and having an axial bore extending from the wellhead to the other end; a device above the other end of the BOP ram package for isolatin...
11/14/2006
7128159System and method for limiting vortex-induced vibrations on an offshore production riser
The present invention relates to a method and to a system for limiting vortex-induced vibrations on a riser suspended at one end from a support and subjected to substantially transverse fluid flows. The system comprises suspension means (10) for hanging the r...
10/31/2006
7108066Variable density treatment fluids and methods of using such fluids in subterranean formations
The present invention provides variable density fluid compositions and methods for using such compositions in a subterranean formation. One exemplary embodiment of the variable density fluid compositions of the present invention comprises a variable density fluid co...
09/19/2006
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