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1970-04-24 |
1971-12-24 |
Schlumberger Prospection |
Anchoring device - for use in locating a detector for a jammed drilling string
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1977-06-10 |
1978-07-25 |
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Control unit for oil wells
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1989-12-27 |
1992-05-26 |
Perf-O-Log, Inc |
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1989-12-27 |
1991-07-23 |
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1991-04-30 |
1993-07-06 |
Halliburton Company |
Retrieving tool for downhole packers utilizing non-rotational workstrings
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1991-11-25 |
1993-07-20 |
Baker Hughes Incorporated |
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1991-08-23 |
1993-07-20 |
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1992-04-03 |
1994-01-11 |
Halliburton Company |
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1992-06-16 |
1994-06-21 |
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1992-06-18 |
1993-08-31 |
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1993-10-12 |
1995-02-28 |
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1994-07-01 |
1998-04-15 |
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1994-10-14 |
2005-03-22 |
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1995-01-12 |
2001-03-27 |
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1995-04-03 |
1997-10-07 |
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1995-05-31 |
1997-01-14 |
Baker Hughes Inc. |
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1995-06-07 |
1996-11-19 |
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1996-05-29 |
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1996-07-17 |
2000-03-28 |
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1996-09-23 |
2008-04-22 |
Intelligent Inspection Corporation Commonwealth Of Massachusetts |
Autonomous downhole oilfield tool
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1996-12-02 |
1999-09-07 |
Intelligent Inspection Corporation |
Downhole tools using artificial intelligence based control
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1996-12-02 |
2000-09-05 |
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Downhole tools with a mobility device
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2001-02-06 |
2004-09-07 |
Baker Hughes Incorporated |
Wellbores utilizing fiber optic-based sensors and operating devices
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1997-05-02 |
2001-08-28 |
Baker Hughes Incorporated |
Monitoring of downhole parameters and tools utilizing fiber optics
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1997-05-02 |
2000-02-29 |
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Method and apparatus for retrieving fluid samples during drill stem tests
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1997-09-24 |
2001-03-13 |
Baker Hughes Incorporated |
Computer controlled downhole safety valve system
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1997-10-20 |
1999-10-05 |
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Underground utility installation tension monitoring arrangement and method
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1997-10-27 |
2005-08-02 |
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1998-01-29 |
1999-08-24 |
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Real-time pump optimization system
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1997-12-18 |
2001-01-30 |
Baker Hughes Incorporated |
Stabilization system for measurement-while-drilling sensors
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1998-12-11 |
2000-12-12 |
Schlumberger Technology Corporation |
Rotary steerable well drilling system utilizing sliding sleeve
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1998-12-11 |
2001-03-06 |
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1999-07-19 |
2001-04-17 |
Schlumberger Technology Corporation |
Heave compensated wireline logging winch system and method of use
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1999-07-29 |
2001-04-17 |
Halliburton Energy Services, Inc. |
Subsurface electro-hydraulic power unit
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1999-09-14 |
2001-07-10 |
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Well management system
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1999-11-05 |
2006-08-29 |
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2000-01-24 |
2004-04-06 |
Shell Oil Company |
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2000-02-15 |
2002-05-28 |
Exxonmobil Upstream Research Company |
Method and apparatus for stimulation of multiple formation intervals
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2001-03-13 |
2004-08-18 |
Sondex Ltd |
Apparatus for anchoring a tool within a tubular
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2002-06-19 |
2003-12-25 |
Echols Ralph H. |
Internal support apparatus for downhole tubular structures and method of use
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2002-08-05 |
2005-05-03 |
Weatherford/Lamb, Inc. |
Inflation tool with real-time temperature and pressure probes
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2002-12-13 |
2004-06-17 |
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Packer set monitoring and compensating system and method
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2003-01-14 |
2004-11-27 |
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Устройство на кабеле для ловильных работ в скважине
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2003-02-14 |
2004-09-02 |
Baker Hughes Incorporated |
Downhole measurements during non-drilling operations
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2003-05-15 |
2007-04-10 |
Halliburton Energy Services, Inc. |
Hydraulic control and actuation system for downhole tools
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2003-06-03 |
2005-06-28 |
Thomas L. Butler |
Pressure monitoring technique and applications involving wells
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2003-09-15 |
2006-05-30 |
Halliburton Energy Services, Inc. |
Downhole force generator and method for use of same
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2004-01-05 |
2006-12-05 |
Schlumberger Technology Corp. |
Traction control for downhole tractor
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2004-03-04 |
2007-05-22 |
Halliburton Energy Services, Inc. |
Providing a local response to a local condition in an oil well
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2004-03-30 |
2007-07-24 |
Core Laboratories Canada Ltd |
Systems and methods for controlling flow control devices
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2004-04-24 |
2004-05-26 |
Expro North Sea Ltd |
Plug setting and retrieving apparatus
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2004-05-28 |
2009-11-17 |
Schlumberger Technology Corporation |
System and methods using fiber optics in coiled tubing
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2004-11-04 |
2008-07-01 |
Schlumberger Technology Corporation |
Inflatable packer assembly
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2005-04-25 |
2009-11-19 |
Schlumberger Technology Corporation |
Zonal isolation system
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2005-05-06 |
2009-12-01 |
Halliburton Energy Services, Inc. |
Apparatus and method for measuring movement of a downhole tool
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2005-07-14 |
2009-07-14 |
Star Oil Tools, Inc. |
Downhole force generator
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2006-02-03 |
2007-10-23 |
Schlumberger Technology Corporation |
Method and apparatus for assembling stackable gun system inside a well bore
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2006-03-29 |
2008-12-02 |
Schlumberger Technology Corporation |
Method of sealing an annulus surrounding a slotted liner
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2006-03-31 |
2010-02-16 |
Schlumberger Technology Corporation |
System and method for unsticking a tool stuck in a wellbore
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2006-04-26 |
2008-07-21 |
Aker Well Service As |
Fremgangsmate og rotasjonsanordning for mekanisk rotasjonsorientering av en bronntraktor
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2006-04-28 |
2009-10-27 |
Schlumberger Technology Corporation |
Intervention tool with operational parameter sensors
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2006-04-28 |
2009-06-02 |
Schlumberger Technology Corporation |
Abrasive jet cutting system and method for cutting wellbore tubulars
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2007-03-13 |
2009-01-19 |
Aker Well Service As |
Wirelinetraktor med forskyvbar hjulforstillingsmekanisme
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2007-03-20 |
2010-03-23 |
Baker Hughes Incorporated |
Downhole bridge plug or packer setting assembly and method
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2007-09-18 |
2011-02-15 |
Schlumberger Technology Corporation |
Anchoring system for use in a wellbore
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2007-09-19 |
2012-10-16 |
Schlumberger Technology Corporation |
Low stress traction system
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2007-10-11 |
2013-08-06 |
Schlumberger Technology Corporation |
Electrically activating a jarring tool
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2008-03-25 |
2010-10-05 |
Foster Anthony P |
Method and system for anchoring and isolating a wellbore
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