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1956-02-21 |
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Apparatus for automatically |
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1936-10-10 |
1938-05-17 |
Baker Oil Tools Inc |
Valve structure for well casings and tubing
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1955-10-17 |
1960-07-19 |
Union Oil Co |
Well packer
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1957-02-01 |
1961-04-25 |
Montgomery K Miller |
Well screening method and device therefor
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1957-10-08 |
1961-04-25 |
Montgomery K Miller |
Well screening method and device therefor
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1968-07-22 |
1969-11-11 |
Lynes Inc |
Apparatus relating to fabrication and installation of expanded members
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1976-02-27 |
1977-09-13 |
Duke John A |
Well cementing method and apparatus
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1980-12-04 |
1982-11-23 |
Otis Engineering Corporation |
Valve
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1982-11-16 |
1985-01-01 |
Smith International, Inc. |
Automatic drilling process and apparatus
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1984-12-27 |
1990-01-16 |
Gilman A. Hill |
Well treating method and associated apparatus for stimulating recovery of production fluids
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1989-03-21 |
1990-12-04 |
Westinghouse Electric Corp. |
Extraction system with a pump having an elastic rebound inner tube
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1989-11-14 |
1991-03-12 |
Qed Environmental Systems, Inc. |
Floating layer recovery apparatus
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1990-02-16 |
1994-08-02 |
James C. Walter |
Downhole gas separator
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1991-01-17 |
1995-10-10 |
Gregg Peterson |
Method and apparatus for the determination of formation fluid flow rates and reservoir deliverability
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1991-12-31 |
1992-02-19 |
Stirling Design Int |
The control of"u"tubing in the flow of cement in oil well casings
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1992-09-18 |
1999-09-20 |
Norsk Hydro As |
Fremgangsmate og produksjonsror for produksjon av olje eller gass fra et olje- eller gassreservoar
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1995-10-31 |
1997-12-09 |
Sonoma Corporation |
Downhole oil well tool running and pulling with hydraulic release using deformable ball valving member
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1995-10-30 |
1995-10-30 |
Norsk Hydro As |
Anordning for innströmningsregulering i et produksjonsrör for produksjon av olje eller gass fra et olje- og/eller gassreservoar
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1996-01-24 |
1998-03-24 |
Halliburton Energy Services, Inc. |
Sand control screen assembly having an adjustable flow rate and associated methods of completing a subterranean well
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1996-07-01 |
1999-04-27 |
Baker Hughes Incorporated |
Flow restriction device for use in producing wells
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1996-12-31 |
1998-09-08 |
Halliburton Energy Services, Inc. |
Screened well drainage pipe structure with sealed, variable length labyrinth inlet flow control apparatus
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1997-04-23 |
1999-04-26 |
Shore Tec As |
FremgangsmÕte og apparat til bruk ved produksjonstest av en forventet permeabel formasjon
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1997-05-06 |
2005-12-27 |
Baker Hughes Inc |
System og fremgangsmate for produksjon av formasjonsfluid i en undergrunnsformasjon
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1998-02-25 |
2001-07-03 |
Specialised Petroleum Services Limited |
Circulation tool
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1998-06-05 |
1999-09-06 |
Ziebel As |
Anordning og fremgangsmate til innbyrdes uavhengig styring av reguleringsinnretninger for regulering av fluidstrom mellom et hydrokarbonreservoar og en bronn
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1998-08-21 |
2007-04-10 |
Bj Services Company |
Washpipeless isolation strings and methods for isolation with object holding service tool
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1999-01-29 |
2003-01-14 |
Schlumberger Technology Corporation |
Controlling production
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1999-04-09 |
2002-08-13 |
Shell Oil Company |
Method for annular sealing
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1999-04-29 |
2004-01-20 |
Shell Oil Company |
Downhole device for controlling fluid flow in a well
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2000-01-24 |
2004-04-06 |
Shell Oil Company |
Controllable gas-lift well and valve
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2000-02-04 |
2002-05-21 |
Allamon Interest |
Drop ball sub and system of use
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2000-05-04 |
2002-11-12 |
Halliburton Energy Services, Inc. |
Expandable liner and associated methods of regulating fluid flow in a well
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2000-06-01 |
2008-11-25 |
Schlumberger Technology Corporation |
Expandable elements
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2000-08-12 |
2005-08-02 |
Paul Bernard Lee |
Activating ball assembly for use with a by-pass tool in a drill string
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2000-08-17 |
2004-11-16 |
Abb Offshore Systems Limited |
Flow control device
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2000-09-08 |
2002-05-13 |
Freyer Rune |
Fremgangsmåte for å tette ringrom ved oljeproduksjon
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2000-10-09 |
2002-12-06 |
Johnson Filtration Systems |
Elements de drain ayant une crepine consitituee de tiges creuses pour collecter notamment des hydrocarbures
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2000-10-10 |
2002-04-16 |
Weatherford/Lamb, Inc. |
Flow control apparatus for use in a wellbore
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2001-01-16 |
2004-02-24 |
Schlumberger Technology Corporation |
Wellbore isolation technique
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2001-01-26 |
2003-09-23 |
Baker Hughes Incorporated |
Sand screen with active flow control and associated method of use
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2001-01-31 |
2001-03-14 |
Sps Afos Group Ltd |
Downhole Tool
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2001-02-19 |
2007-11-30 |
Shell Int Research |
Method for controlling fluid into an oil and/or gas production well
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2001-03-20 |
2007-10-08 |
Reslink As |
Stromningsstyreanordning for struping av innstrommende fluider i en bronn
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2001-04-09 |
2003-02-04 |
Jerry P. Allamon |
System for running tubular members
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2001-04-17 |
2003-04-15 |
Halliburton Energy Services, Inc. |
PDF valve
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2001-04-25 |
2003-11-11 |
Weatherford/Lamb, Inc. |
Flow control apparatus for use in a wellbore
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2001-05-08 |
2002-12-16 |
Freyer Rune |
Anordning og fremgangsmÕte for begrensning av innströmning av formasjonsvann i en brönn
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2001-06-12 |
2005-03-16 |
Schlumberger Holdings |
Flow control regulation methods
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2001-10-09 |
2005-02-22 |
Schlumberger Technology Corporation |
Apparatus and methods for flow control gravel pack
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2001-11-19 |
2012-06-19 |
Packers Plus Energy Services Inc. |
Method and apparatus for wellbore fluid treatment
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2002-01-25 |
2004-04-13 |
Halliburton Energy Services, Inc. |
Sand control screen assembly and treatment method using the same
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2002-08-21 |
2006-09-19 |
Packers Plus Energy Services Inc. |
Method and apparatus for wellbore fluid treatment
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2002-08-23 |
2010-01-12 |
Baker Hughes Incorporated |
Self-conforming screen
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2002-09-26 |
2005-01-11 |
Weatherford/Lamb, Inc. |
Expandable connection for use with a swelling elastomer
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FR2845617B1
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2002-10-09 |
2006-04-28 |
Inst Francais Du Petrole |
Crepine a perte de charge controlee
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2002-12-12 |
2004-12-28 |
Weatherford/Lamb, Inc. |
Reinforced swelling elastomer seal element on expandable tubular
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2002-12-23 |
2005-06-21 |
Weatherford/Lamb, Inc. |
Expandable sealing apparatus
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2003-02-24 |
2006-04-04 |
Bj Services Company |
Bi-directional ball seat system and method
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2003-06-20 |
2007-04-24 |
Bj Services Company |
Method of hydraulic fracturing to reduce unwanted water production
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2003-11-25 |
2005-06-09 |
Baker Hughes Incorporated |
Swelling layer inflatable
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2004-07-30 |
2006-02-09 |
Baker Hughes Incorporated |
Downhole inflow control device with shut-off feature
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2004-07-30 |
2007-11-06 |
Baker Hughes Incorporated |
Inflow control device with passive shut-off feature
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2005-02-23 |
2011-09-06 |
Schlumberger Technology Corporation |
Downhole flow control with selective permeability
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