ATE313699T1 - Unabhängiges bohrlochwerkzeug für die erdölindustrie - Google Patents

Unabhängiges bohrlochwerkzeug für die erdölindustrie

Info

Publication number
ATE313699T1
ATE313699T1 AT97944386T AT97944386T ATE313699T1 AT E313699 T1 ATE313699 T1 AT E313699T1 AT 97944386 T AT97944386 T AT 97944386T AT 97944386 T AT97944386 T AT 97944386T AT E313699 T1 ATE313699 T1 AT E313699T1
Authority
AT
Austria
Prior art keywords
drilling tool
petroleum industry
independent drilling
downhole
environment
Prior art date
Application number
AT97944386T
Other languages
English (en)
Inventor
Paulo Tubel
Colin M Angle
Thomas W Mcintyre
Jeffrey E Johnson
Original Assignee
Halliburton Energy Serv Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from US08/891,530 external-priority patent/US5947213A/en
Application filed by Halliburton Energy Serv Inc filed Critical Halliburton Energy Serv Inc
Application granted granted Critical
Publication of ATE313699T1 publication Critical patent/ATE313699T1/de

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
    • E21B17/10—Wear protectors; Centralising devices, e.g. stabilisers
    • E21B17/1078—Stabilisers or centralisers for casing, tubing or drill pipes
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
    • E21B17/10—Wear protectors; Centralising devices, e.g. stabilisers
    • E21B17/1014—Flexible or expansible centering means, e.g. with pistons pressing against the wall of the well
    • E21B17/1021—Flexible or expansible centering means, e.g. with pistons pressing against the wall of the well with articulated arms or arcuate springs
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B23/00—Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes or wells
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B23/00—Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes or wells
    • E21B23/001—Self-propelling systems or apparatus, e.g. for moving tools within the horizontal portion of a borehole
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B23/00—Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes or wells
    • E21B23/14—Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes or wells for displacing a cable or a cable-operated tool, e.g. for logging or perforating operations in deviated wells
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B4/00—Drives for drilling, used in the borehole
    • E21B4/18—Anchoring or feeding in the borehole
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B44/00—Automatic control systems specially adapted for drilling operations, i.e. self-operating systems which function to carry out or modify a drilling operation without intervention of a human operator, e.g. computer-controlled drilling systems; Systems specially adapted for monitoring a plurality of drilling variables or conditions
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B44/00—Automatic control systems specially adapted for drilling operations, i.e. self-operating systems which function to carry out or modify a drilling operation without intervention of a human operator, e.g. computer-controlled drilling systems; Systems specially adapted for monitoring a plurality of drilling variables or conditions
    • E21B44/005—Below-ground automatic control systems
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B47/00—Survey of boreholes or wells
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B47/00—Survey of boreholes or wells
    • E21B47/002—Survey of boreholes or wells by visual inspection
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B47/00—Survey of boreholes or wells
    • E21B47/08—Measuring diameters or related dimensions at the borehole
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B47/00—Survey of boreholes or wells
    • E21B47/12—Means for transmitting measuring-signals or control signals from the well to the surface, or from the surface to the well, e.g. for logging while drilling
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B47/00—Survey of boreholes or wells
    • E21B47/26—Storing data down-hole, e.g. in a memory or on a record carrier
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B2200/00—Special features related to earth drilling for obtaining oil, gas or water
    • E21B2200/22—Fuzzy logic, artificial intelligence, neural networks or the like

Landscapes

  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geophysics (AREA)
  • Mechanical Engineering (AREA)
  • Remote Sensing (AREA)
  • Earth Drilling (AREA)
  • Lubricants (AREA)
  • Infusion, Injection, And Reservoir Apparatuses (AREA)
AT97944386T 1996-09-23 1997-09-23 Unabhängiges bohrlochwerkzeug für die erdölindustrie ATE313699T1 (de)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US2655896P 1996-09-23 1996-09-23
US3218396P 1996-12-02 1996-12-02
US08/891,530 US5947213A (en) 1996-12-02 1997-07-11 Downhole tools using artificial intelligence based control
PCT/US1997/017010 WO1998012418A2 (en) 1996-09-23 1997-09-23 Autonomous downhole oilfield tool

Publications (1)

Publication Number Publication Date
ATE313699T1 true ATE313699T1 (de) 2006-01-15

Family

ID=27362796

Family Applications (1)

Application Number Title Priority Date Filing Date
AT97944386T ATE313699T1 (de) 1996-09-23 1997-09-23 Unabhängiges bohrlochwerkzeug für die erdölindustrie

Country Status (9)

Country Link
US (1) US6378627B1 (de)
EP (1) EP0862682B1 (de)
AT (1) ATE313699T1 (de)
AU (1) AU738284C (de)
BR (1) BR9706796A (de)
CA (1) CA2238334C (de)
DE (1) DE69734917D1 (de)
NO (1) NO321265B1 (de)
WO (1) WO1998012418A2 (de)

Families Citing this family (199)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7040420B2 (en) 1994-10-14 2006-05-09 Weatherford/Lamb, Inc. Methods and apparatus for cementing drill strings in place for one pass drilling and completion of oil and gas wells
US6868906B1 (en) 1994-10-14 2005-03-22 Weatherford/Lamb, Inc. Closed-loop conveyance systems for well servicing
US7108084B2 (en) 1994-10-14 2006-09-19 Weatherford/Lamb, Inc. Methods and apparatus for cementing drill strings in place for one pass drilling and completion of oil and gas wells
US7147068B2 (en) 1994-10-14 2006-12-12 Weatherford / Lamb, Inc. Methods and apparatus for cementing drill strings in place for one pass drilling and completion of oil and gas wells
US7013997B2 (en) 1994-10-14 2006-03-21 Weatherford/Lamb, Inc. Methods and apparatus for cementing drill strings in place for one pass drilling and completion of oil and gas wells
US7036610B1 (en) 1994-10-14 2006-05-02 Weatherford / Lamb, Inc. Apparatus and method for completing oil and gas wells
US7228901B2 (en) * 1994-10-14 2007-06-12 Weatherford/Lamb, Inc. Method and apparatus for cementing drill strings in place for one pass drilling and completion of oil and gas wells
US7100710B2 (en) 1994-10-14 2006-09-05 Weatherford/Lamb, Inc. Methods and apparatus for cementing drill strings in place for one pass drilling and completion of oil and gas wells
BR9610373A (pt) * 1995-08-22 1999-12-21 Western Well Toll Inc Ferramenta de furo de tração-empuxo
GB9614761D0 (en) 1996-07-13 1996-09-04 Schlumberger Ltd Downhole tool and method
US6536520B1 (en) 2000-04-17 2003-03-25 Weatherford/Lamb, Inc. Top drive casing system
US6742596B2 (en) 2001-05-17 2004-06-01 Weatherford/Lamb, Inc. Apparatus and methods for tubular makeup interlock
US7509722B2 (en) 1997-09-02 2009-03-31 Weatherford/Lamb, Inc. Positioning and spinning device
FR2769665B1 (fr) 1997-10-13 2000-03-10 Inst Francais Du Petrole Methode et systeme de mesure dans un conduit horizontal
AR018460A1 (es) 1998-06-12 2001-11-14 Shell Int Research MÉTODO Y DISPOSICIoN PARA MEDIR DATOS DE UN CONDUCTO DE TRANSPORTE DE FLUIDO Y APARATO SENSOR UTILIZADO EN DICHA DISPOSICIoN.
AR018459A1 (es) 1998-06-12 2001-11-14 Shell Int Research Metodo y disposicion para mover equipos hacia y a traves de un conducto y dispositivo de vaiven para ser usado en dicha disposicion
GB9815809D0 (en) 1998-07-22 1998-09-16 Appleton Robert P Casing running tool
GB2340858A (en) 1998-08-24 2000-03-01 Weatherford Lamb Methods and apparatus for facilitating the connection of tubulars using a top drive
GB2340859A (en) 1998-08-24 2000-03-01 Weatherford Lamb Method and apparatus for facilitating the connection of tubulars using a top drive
GB2340857A (en) 1998-08-24 2000-03-01 Weatherford Lamb An apparatus for facilitating the connection of tubulars and alignment with a top drive
US6347674B1 (en) * 1998-12-18 2002-02-19 Western Well Tool, Inc. Electrically sequenced tractor
AU772327B2 (en) 1998-12-22 2004-04-22 Weatherford Technology Holdings, Llc Procedures and equipment for profiling and jointing of pipes
US7188687B2 (en) 1998-12-22 2007-03-13 Weatherford/Lamb, Inc. Downhole filter
GB2345074A (en) 1998-12-24 2000-06-28 Weatherford Lamb Floating joint to facilitate the connection of tubulars using a top drive
GB2347441B (en) 1998-12-24 2003-03-05 Weatherford Lamb Apparatus and method for facilitating the connection of tubulars using a top drive
US6429784B1 (en) * 1999-02-19 2002-08-06 Dresser Industries, Inc. Casing mounted sensors, actuators and generators
US6896075B2 (en) 2002-10-11 2005-05-24 Weatherford/Lamb, Inc. Apparatus and methods for drilling with casing
US6854533B2 (en) * 2002-12-20 2005-02-15 Weatherford/Lamb, Inc. Apparatus and method for drilling with casing
US6857487B2 (en) 2002-12-30 2005-02-22 Weatherford/Lamb, Inc. Drilling with concentric strings of casing
US7311148B2 (en) 1999-02-25 2007-12-25 Weatherford/Lamb, Inc. Methods and apparatus for wellbore construction and completion
US6820653B1 (en) 1999-04-12 2004-11-23 Carnegie Mellon University Pipe inspection and repair system
GB2352041B (en) 1999-07-14 2002-01-23 Schlumberger Ltd Downhole sensing apparatus with separable elements
US6189621B1 (en) * 1999-08-16 2001-02-20 Smart Drilling And Completion, Inc. Smart shuttles to complete oil and gas wells
US6658460B1 (en) 1999-11-09 2003-12-02 Gas Products, Inc. Computer based system for evaluating a particular natural resource property
GB2374623B (en) * 1999-12-03 2004-03-10 Wireline Engineering Ltd Downhole device
GB9929180D0 (en) * 1999-12-09 2000-02-02 Oxford Instr Uk Ltd Method and device for transferring data
EP1242711B1 (de) 1999-12-22 2006-08-16 Weatherford/Lamb, Inc. Bohrmeissel zum gleichzeitigen bohren und verrohren
US6464003B2 (en) 2000-05-18 2002-10-15 Western Well Tool, Inc. Gripper assembly for downhole tractors
US7385523B2 (en) * 2000-03-28 2008-06-10 Schlumberger Technology Corporation Apparatus and method for downhole well equipment and process management, identification, and operation
US7334650B2 (en) 2000-04-13 2008-02-26 Weatherford/Lamb, Inc. Apparatus and methods for drilling a wellbore using casing
US7325610B2 (en) 2000-04-17 2008-02-05 Weatherford/Lamb, Inc. Methods and apparatus for handling and drilling with tubulars or casing
GB0010378D0 (en) 2000-04-28 2000-06-14 Bbl Downhole Tools Ltd Expandable apparatus for drift and reaming a borehole
GB2365463B (en) 2000-08-01 2005-02-16 Renovus Ltd Drilling method
GB0020177D0 (en) * 2000-08-17 2000-10-04 Psl Technology Ltd Intelligent sensor depositor
US8245796B2 (en) * 2000-12-01 2012-08-21 Wwt International, Inc. Tractor with improved valve system
CA2440344C (en) 2001-03-07 2007-06-26 Carnegie Mellon University Gas main robotic inspection system
AU2002323445A1 (en) * 2001-08-29 2003-03-18 Sensor Highway Limited Method and apparatus for determining the temperature of subterranean wells using fiber optic cable
US6843317B2 (en) * 2002-01-22 2005-01-18 Baker Hughes Incorporated System and method for autonomously performing a downhole well operation
NO20020648L (no) * 2002-02-08 2003-08-11 Poseidon Group As Automatisk system for måling av fysiske parametere i rör
US8739354B2 (en) * 2002-03-11 2014-06-03 Lynn A. Buckner Mobile method for servicing or cleaning a utility sewer or drainage pipe
GB0206227D0 (en) 2002-03-16 2002-05-01 Weatherford Lamb Bore-lining and drilling
US7668041B2 (en) * 2002-03-28 2010-02-23 Baker Hughes Incorporated Apparatus and methods for acquiring seismic data while tripping
US6990045B2 (en) * 2002-03-28 2006-01-24 Baker Hughes Incorporated Methods for acquiring seismic data while tripping
WO2003089760A1 (en) * 2002-04-22 2003-10-30 Eni S.P.A. Telemetry system for the bi-directional communication of data between a well point and a terminal unit situated on the surface
US6799633B2 (en) * 2002-06-19 2004-10-05 Halliburton Energy Services, Inc. Dockable direct mechanical actuator for downhole tools and method
US6994176B2 (en) 2002-07-29 2006-02-07 Weatherford/Lamb, Inc. Adjustable rotating guides for spider or elevator
US7730965B2 (en) 2002-12-13 2010-06-08 Weatherford/Lamb, Inc. Retractable joint and cementing shoe for use in completing a wellbore
US6899186B2 (en) 2002-12-13 2005-05-31 Weatherford/Lamb, Inc. Apparatus and method of drilling with casing
US7303022B2 (en) 2002-10-11 2007-12-04 Weatherford/Lamb, Inc. Wired casing
US7131791B2 (en) * 2002-11-13 2006-11-07 Redzone Robotics, Inc. Pipeline rehabilitation systems
US7163065B2 (en) * 2002-12-06 2007-01-16 Shell Oil Company Combined telemetry system and method
US7938201B2 (en) 2002-12-13 2011-05-10 Weatherford/Lamb, Inc. Deep water drilling with casing
US6953096B2 (en) 2002-12-31 2005-10-11 Weatherford/Lamb, Inc. Expandable bit with secondary release device
US7128154B2 (en) 2003-01-30 2006-10-31 Weatherford/Lamb, Inc. Single-direction cementing plug
USRE42877E1 (en) 2003-02-07 2011-11-01 Weatherford/Lamb, Inc. Methods and apparatus for wellbore construction and completion
US7096982B2 (en) 2003-02-27 2006-08-29 Weatherford/Lamb, Inc. Drill shoe
GB2416360B (en) 2003-03-05 2007-08-22 Weatherford Lamb Drilling with casing latch
CA2683763C (en) 2003-03-05 2013-01-29 Weatherford/Lamb, Inc. Full bore lined wellbores
GB2428059B (en) 2003-03-05 2007-10-10 Weatherford Lamb Method and apparatus for drilling with casing
CA2517895C (en) 2003-03-05 2009-12-01 Weatherford/Lamb, Inc. Casing running and drilling system
CA2520072C (en) 2003-04-04 2010-02-16 Weatherford/Lamb, Inc. Method and apparatus for handling wellbore tubulars
US7650944B1 (en) 2003-07-11 2010-01-26 Weatherford/Lamb, Inc. Vessel for well intervention
US7264067B2 (en) 2003-10-03 2007-09-04 Weatherford/Lamb, Inc. Method of drilling and completing multiple wellbores inside a single caisson
US7150318B2 (en) * 2003-10-07 2006-12-19 Halliburton Energy Services, Inc. Apparatus for actuating a well tool and method for use of same
US7392859B2 (en) * 2004-03-17 2008-07-01 Western Well Tool, Inc. Roller link toggle gripper and downhole tractor
DE602004007619T2 (de) * 2004-03-18 2008-06-05 Schlumberger Technology B.V. Bohrlochvorrichtung
US20050269083A1 (en) * 2004-05-03 2005-12-08 Halliburton Energy Services, Inc. Onboard navigation system for downhole tool
US7284617B2 (en) 2004-05-20 2007-10-23 Weatherford/Lamb, Inc. Casing running head
CA2514136C (en) 2004-07-30 2011-09-13 Weatherford/Lamb, Inc. Apparatus and methods of setting and retrieving casing with drilling latch and bottom hole assembly
US7720570B2 (en) * 2004-10-01 2010-05-18 Redzone Robotics, Inc. Network architecture for remote robot with interchangeable tools
US20070062693A1 (en) * 2005-09-21 2007-03-22 Vetco Gray Inc. System, method, and apparatus for degassing tool for coal bed methane gas wells
GB0520860D0 (en) * 2005-10-14 2005-11-23 Weatherford Lamb Tubing expansion
TWI287103B (en) * 2005-11-04 2007-09-21 Univ Nat Chiao Tung Embedded network controlled optical flow image positioning omni-direction motion system
US7624808B2 (en) 2006-03-13 2009-12-01 Western Well Tool, Inc. Expandable ramp gripper
US7607478B2 (en) 2006-04-28 2009-10-27 Schlumberger Technology Corporation Intervention tool with operational parameter sensors
CA2651966C (en) 2006-05-12 2011-08-23 Weatherford/Lamb, Inc. Stage cementing methods used in casing while drilling
US8276689B2 (en) 2006-05-22 2012-10-02 Weatherford/Lamb, Inc. Methods and apparatus for drilling with casing
US20080217024A1 (en) * 2006-08-24 2008-09-11 Western Well Tool, Inc. Downhole tool with closed loop power systems
US20080053663A1 (en) * 2006-08-24 2008-03-06 Western Well Tool, Inc. Downhole tool with turbine-powered motor
WO2008034144A2 (en) * 2006-09-15 2008-03-20 Redzone Robotics, Inc. Manhole modeler
WO2008061100A1 (en) 2006-11-14 2008-05-22 Rudolph Ernst Krueger Variable linkage assisted gripper
WO2008085946A2 (en) * 2007-01-08 2008-07-17 Baker Hughes Incorporated Drilling components and systems to dynamically control drilling dysfunctions and methods of drilling a well with same
US7687770B2 (en) * 2007-01-19 2010-03-30 Schlumberger Technology Corporation Methods and apparatus for multi dimension fluorescence spectrum measurement downhole
US8770303B2 (en) 2007-02-19 2014-07-08 Schlumberger Technology Corporation Self-aligning open-hole tractor
US7832485B2 (en) 2007-06-08 2010-11-16 Schlumberger Technology Corporation Riserless deployment system
ATE492709T1 (de) * 2007-11-22 2011-01-15 Prad Res & Dev Nv Autonome bohrlochnavigationsvorrichtung
US8265789B2 (en) * 2007-12-03 2012-09-11 Electronics And Telecommunications Research Institute Network-based robot system and method for action execution of robot
FR2930337B1 (fr) * 2008-04-22 2011-03-25 Freyssinet Systeme pour obtenir des informations relativement a une canalisation et procede associe
US8991245B2 (en) * 2008-07-15 2015-03-31 Schlumberger Technology Corporation Apparatus and methods for characterizing a reservoir
US9027668B2 (en) * 2008-08-20 2015-05-12 Foro Energy, Inc. Control system for high power laser drilling workover and completion unit
EP2352981B1 (de) * 2008-11-03 2015-04-08 Redzone Robotics, Inc. Vorrichtung zur röhreninspektion und verfahren zu ihrer verwendung
US9593573B2 (en) * 2008-12-22 2017-03-14 Schlumberger Technology Corporation Fiber optic slickline and tools
EP2290190A1 (de) * 2009-08-31 2011-03-02 Services Petroliers Schlumberger Verfahren und Vorrichtung für gesteuerte bidirektionale Bewegungen eines Ölfeldwerkzeugs in einer Bohrlochumgebung
DK178477B1 (en) 2009-09-16 2016-04-11 Maersk Oil Qatar As A device and a system and a method of examining a tubular channel
US8485278B2 (en) * 2009-09-29 2013-07-16 Wwt International, Inc. Methods and apparatuses for inhibiting rotational misalignment of assemblies in expandable well tools
DK179473B1 (en) 2009-10-30 2018-11-27 Total E&P Danmark A/S A device and a system and a method of moving in a tubular channel
DK177946B9 (da) 2009-10-30 2015-04-20 Maersk Oil Qatar As Brøndindretning
DK178339B1 (en) 2009-12-04 2015-12-21 Maersk Oil Qatar As An apparatus for sealing off a part of a wall in a section drilled into an earth formation, and a method for applying the apparatus
WO2011079169A2 (en) 2009-12-23 2011-06-30 Schlumberger Canada Limited Hydraulic deployment of a well isolation mechanism
CN102141197B (zh) * 2010-01-28 2013-03-20 杨志雄 探索管内路径走向的测量设备
WO2011149597A1 (en) 2010-05-26 2011-12-01 Exxonmobil Upstream Research Company Assembly and method for multi-zone fracture stimulation of a reservoir using autonomous tubular units
US9187977B2 (en) 2010-07-22 2015-11-17 Exxonmobil Upstream Research Company System and method for stimulating a multi-zone well
US9068447B2 (en) 2010-07-22 2015-06-30 Exxonmobil Upstream Research Company Methods for stimulating multi-zone wells
PH12013501050A1 (en) 2010-12-17 2022-03-30 Exxonmobil Upstream Res Co Autonomous downhole conveyance system
WO2012082302A1 (en) 2010-12-17 2012-06-21 Exxonmobil Upstream Research Company Method for automatic control and positioning of autonomous downhole tools
DK177547B1 (da) 2011-03-04 2013-10-07 Maersk Olie & Gas Fremgangsmåde og system til brønd- og reservoir-management i udbygninger med åben zone såvel som fremgangsmåde og system til produktion af råolie
RU2487230C2 (ru) * 2011-05-03 2013-07-10 Аскар Салаватович Валиуллин Скважинный трактор
US9903192B2 (en) 2011-05-23 2018-02-27 Exxonmobil Upstream Research Company Safety system for autonomous downhole tool
EP2540957A1 (de) * 2011-06-30 2013-01-02 Welltec A/S Bohrlochwerkzeug zur Bestimmung von Seitenkanälen
CA2841254C (en) * 2011-07-14 2016-07-19 Halliburton Energy Services, Inc. Methods and systems for controlling torque transfer from rotating equipment
US9447648B2 (en) 2011-10-28 2016-09-20 Wwt North America Holdings, Inc High expansion or dual link gripper
US9238953B2 (en) 2011-11-08 2016-01-19 Schlumberger Technology Corporation Completion method for stimulation of multiple intervals
US9255849B2 (en) * 2012-02-27 2016-02-09 Halliburton Energy Services, Inc. Temperature compensation apparatus, methods, and systems
WO2013184743A2 (en) 2012-06-05 2013-12-12 Saudi Arabian Oil Company Downhole fluid transport plunger with thruster
US9650851B2 (en) 2012-06-18 2017-05-16 Schlumberger Technology Corporation Autonomous untethered well object
MX342670B (es) * 2012-06-27 2016-10-06 Halliburton Energy Services Inc Exclusor de fluido para diagrafia en lodos de agua.
US9677882B2 (en) * 2012-09-27 2017-06-13 Lmk Technologies, Llc Method and means for determining pipe diameter
WO2014077948A1 (en) 2012-11-13 2014-05-22 Exxonmobil Upstream Research Company Drag enhancing structures for downhole operations, and systems and methods including the same
EA031097B1 (ru) 2012-11-16 2018-11-30 ПЕТРОМАК АйПи ЛИМИТЕД Транспортировочное устройство и направляющее устройство
US9951607B2 (en) 2013-01-31 2018-04-24 Baker Hughes, LLC System and method for characterization of downhole measurement data for borehole stability prediction
US9441478B2 (en) 2013-02-12 2016-09-13 Halliburton Energy Services, Inc. Conveying data from a wellbore to a terranean surface
US9249641B2 (en) * 2013-02-28 2016-02-02 Guy Wheater Articulated wireline hole finder
CA2868309A1 (en) * 2013-06-14 2014-12-14 Kenneth Miller Multiple gamma controller assembly
CA2911369A1 (en) 2013-06-17 2014-12-24 Halliburton Energy Services, Inc. Cable system control using fluid flow for applying locomotive force
US10329863B2 (en) 2013-08-06 2019-06-25 A&O Technologies LLC Automatic driller
US9631468B2 (en) 2013-09-03 2017-04-25 Schlumberger Technology Corporation Well treatment
US9719315B2 (en) 2013-11-15 2017-08-01 Ge Oil & Gas Esp, Inc. Remote controlled self propelled deployment system for horizontal wells
US9488020B2 (en) 2014-01-27 2016-11-08 Wwt North America Holdings, Inc. Eccentric linkage gripper
GB2540684B (en) * 2014-05-19 2018-01-03 Halliburton Energy Services Inc Nuclear magnetic resonance sensors embedded in cement
US9638000B2 (en) 2014-07-10 2017-05-02 Inflow Systems Inc. Method and apparatus for controlling the flow of fluids into wellbore tubulars
WO2016022252A1 (en) 2014-08-08 2016-02-11 Exxonmobil Upstream Research Company Methods for multi-zone fracture stimulation of a well
WO2016057011A1 (en) 2014-10-06 2016-04-14 Halliburton Energy Services, Inc. Self-propelled device for use in a subterranean well
US10459107B2 (en) 2014-11-13 2019-10-29 Halliburton Energy Services, Inc. Well monitoring with autonomous robotic diver
US10300804B2 (en) * 2015-04-29 2019-05-28 General Electric Company Apparatus and method for automated positioning of a vehicle
US10385657B2 (en) 2016-08-30 2019-08-20 General Electric Company Electromagnetic well bore robot conveyance system
US10717166B2 (en) * 2016-12-02 2020-07-21 General Electric Company Motorized apparatus for use with rotary machines
NO343273B1 (en) * 2017-02-28 2019-01-14 Archer Oiltools As Autonomous plug tool
BR102017015062B1 (pt) 2017-07-13 2021-12-07 Petróleo Brasileiro S.A. - Petrobras Método de inserção de um dispositivo autônomo em um poçó submarino de petróleo, método de remoção de um dispositivo autônomo de um poço submarino de petróleo, e, sistema de inserção e remoção de um dispositivo autônomo em um poço submarino de petróleo
WO2019103777A1 (en) 2017-11-22 2019-05-31 Exxonmobil Upstream Research Company Perforation devices including trajectory-altering structures and methods of utilizing the same
US10662745B2 (en) 2017-11-22 2020-05-26 Exxonmobil Upstream Research Company Perforation devices including gas supply structures and methods of utilizing the same
BR102017027366B1 (pt) * 2017-12-18 2024-01-09 Insfor - Innovative Solutions For Robotics Ltda - Me Sistema operacional de lançamento, gerenciamento e controle de unidade autônoma robotizada (rau) para trabalhos em poços de óleo e gás e método de perfilagem de poços com auxílio do dito sistema
JP2021509703A (ja) * 2017-12-29 2021-04-01 サウジ アラビアン オイル カンパニー 深くまで届く坑井の検層および介入を行なうダウンホールモビリティモジュール
GB2583843B (en) 2018-02-05 2022-05-25 Halliburton Energy Services Inc Volume, size, and shape analysis of downhole particles
US11753885B2 (en) 2018-06-01 2023-09-12 Halliburton Energy Services, Inc. Autonomous tractor using counter flow-driven propulsion
NO20201171A1 (en) 2018-06-04 2020-10-26 Halliburton Energy Services Inc Velocity measurement of drilled cuttings on a shaker
GB2583860B (en) * 2018-06-05 2022-05-18 Halliburton Energy Services Inc Identifying a line of coherent radiation in a captured image of illuminated downhole particles
CN108798648A (zh) * 2018-06-07 2018-11-13 西南石油大学 一种低渗致密气藏改进正序修正等时试井测试方法
US10914126B2 (en) 2018-06-14 2021-02-09 Allegiant Energy Services, LLC Drill string testing system
US11248427B2 (en) * 2018-08-06 2022-02-15 Schlumberger Technology Corporation Systems and methods for manipulating wellbore completion products
US10920586B2 (en) * 2018-12-28 2021-02-16 Saudi Arabian Oil Company Systems and methods for logging while treating
US11131160B2 (en) * 2019-08-06 2021-09-28 Saudi Arabian Oil Company Smart tubular running machine
US11796434B2 (en) * 2019-08-16 2023-10-24 Schlumberger Technology Corporation Apparatus and method for testing rock heterogeneity
US11047179B2 (en) 2019-09-18 2021-06-29 Saudi Arabian Oil Company In-pipe passive centering mechanism with radial probe or tool deployment mechanism
CN114630719A (zh) * 2019-10-17 2022-06-14 德兰博特公司 用于隧道系统的自动自清洁排水系统
US11105165B2 (en) * 2019-11-01 2021-08-31 Baker Hughes Oilfield Operations Llc Downhole device including a fluid propulsion system
EP3839199B1 (de) * 2019-12-20 2023-11-15 Services Pétroliers Schlumberger System und verfahren zum drahtgebundenen schalten
EP4143413B1 (de) * 2020-05-02 2025-03-26 Services Pétroliers Schlumberger Systeme und verfahren zur positionierung einer schaltprofilgeometrie
CN113700443B (zh) * 2020-05-19 2023-11-28 中国石油天然气股份有限公司 电动修井系统及方法
US12060973B2 (en) * 2020-07-12 2024-08-13 Southwest Petroleum University System and method for pumping lubricant in gas pipeline
US11713635B2 (en) 2020-08-28 2023-08-01 Saudi Arabian Oil Company Mobility platform for efficient downhole navigation of robotic device
US11492862B2 (en) 2020-09-02 2022-11-08 Saudi Arabian Oil Company Cutting pipes in wellbores using downhole autonomous cutting tools
US11549329B2 (en) 2020-12-22 2023-01-10 Saudi Arabian Oil Company Downhole casing-casing annulus sealant injection
US11530584B2 (en) 2020-12-24 2022-12-20 Baker Hughes Oilfield Operations Llc Downhole robotic shuttle for performing programed operations
US11828128B2 (en) 2021-01-04 2023-11-28 Saudi Arabian Oil Company Convertible bell nipple for wellbore operations
US11598178B2 (en) 2021-01-08 2023-03-07 Saudi Arabian Oil Company Wellbore mud pit safety system
US11828174B2 (en) * 2021-01-27 2023-11-28 Baker Hughes Oilfield Operations Llc Utilizing cobots for lab procedures for the purpose of testing and gathering data
US12054999B2 (en) 2021-03-01 2024-08-06 Saudi Arabian Oil Company Maintaining and inspecting a wellbore
US11585207B2 (en) * 2021-03-11 2023-02-21 Saudi Arabian Oil Company Advanced rapid logging system
US11448026B1 (en) 2021-05-03 2022-09-20 Saudi Arabian Oil Company Cable head for a wireline tool
US11859815B2 (en) 2021-05-18 2024-01-02 Saudi Arabian Oil Company Flare control at well sites
US11624263B2 (en) 2021-05-25 2023-04-11 Saudi Arabian Oil Company Entering a lateral wellbore in a multi-lateral wellbore with a guide tool
US11905791B2 (en) 2021-08-18 2024-02-20 Saudi Arabian Oil Company Float valve for drilling and workover operations
US11913298B2 (en) 2021-10-25 2024-02-27 Saudi Arabian Oil Company Downhole milling system
US11624265B1 (en) 2021-11-12 2023-04-11 Saudi Arabian Oil Company Cutting pipes in wellbores using downhole autonomous jet cutting tools
US11859456B2 (en) 2021-12-03 2024-01-02 Saudi Arabian Oil Company Contactless conveyance for logging while levitating (LWL)
US12078029B2 (en) 2021-12-14 2024-09-03 Schlumberger Technology Corporation Wireline automation systems and methods
US12276190B2 (en) 2022-02-16 2025-04-15 Saudi Arabian Oil Company Ultrasonic flow check systems for wellbores
CA3158533A1 (en) 2022-05-05 2023-11-05 Kenneth William Sherwood Guide sleeve for a flexible linear member and kits thereof
US20260036994A1 (en) * 2022-08-05 2026-02-05 Schlumberger Technology Corporation A method and apparatus to perform downhole computing for autonomous downhole measurement and navigation
US12065895B2 (en) * 2022-10-20 2024-08-20 Saudi Arabian Oil Company Passive logging while levitating (PLWL): contactless conveyance
US12221879B2 (en) 2022-12-12 2025-02-11 Saudi Arabian Oil Company Method for creating multiple downhole smart docking stations for robot battery recharging and data transferring
US20240279993A1 (en) * 2023-02-22 2024-08-22 Halliburton Energy Services, Inc. Control of well system using autonomous wellbore tractor
US12078045B1 (en) * 2023-03-01 2024-09-03 Weatherford Technology Holdings, Llc Method for counting restrictions in a subterranean wellbore
US12435615B2 (en) 2023-08-08 2025-10-07 Saudi Arabian Oil Company Autonomous downhole robot tool string
US20250146611A1 (en) * 2023-11-06 2025-05-08 Saudi Arabian Oil Company Smart Scale Locator
CN117418801A (zh) * 2023-12-18 2024-01-19 吉林市双林射孔器材有限责任公司 一种滑行功能的射孔工具串输送装置
US20250327365A1 (en) * 2024-04-22 2025-10-23 Saudi Arabian Oil Company Non-contact gyroscopic centralizer tools and methods of use
US20250334009A1 (en) * 2024-04-29 2025-10-30 Schlumberger Technology Corporation Systems and methods for autonomous well intervention
NO20240442A1 (en) * 2024-05-07 2025-11-10 Altus Intervention Tech As A method and a system for drilling a radial hole in a tubular structure

Family Cites Families (60)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB149528A (en) 1919-08-22 1920-08-19 George Henry Hockey An improved animal trap for catching rats, mice and other vermin
US3225843A (en) 1961-09-14 1965-12-28 Exxon Production Research Co Bit loading apparatus
US3313346A (en) 1964-12-24 1967-04-11 Chevron Res Continuous tubing well working system
US4006359A (en) 1970-10-12 1977-02-01 Abs Worldwide Technical Services, Inc. Pipeline crawler
US3724567A (en) 1970-11-30 1973-04-03 E Smitherman Apparatus for handling column of drill pipe or tubing during drilling or workover operations
GB1516307A (en) 1974-09-09 1978-07-05 Babcock & Wilcox Ltd Apparatus for conveying a device for inspecting or performing operations on the interior of a tube
DE2604063A1 (de) * 1976-02-03 1977-08-04 Miguel Kling Selbstfahrende und selbstarretierende vorrichtung zum befahren von kanaelen bzw. von langgestreckten gebilden
CH594848A5 (de) 1976-02-24 1978-01-31 Sigel Gfeller Alwin
US4071086A (en) 1976-06-22 1978-01-31 Suntech, Inc. Apparatus for pulling tools into a wellbore
SE414805B (sv) 1976-11-05 1980-08-18 Sven Halvor Johansson Anordning vid don avsedda for uppberning resp forflyttning av en bergborrningsanordning som skall uppborra mycket langa, foretredesvis vertikala schakt i berggrunden
FR2381657A1 (fr) 1977-02-24 1978-09-22 Commissariat Energie Atomique Vehicule autopropulse a bras articules
US4177734A (en) 1977-10-03 1979-12-11 Midcon Pipeline Equipment Co. Drive unit for internal pipe line equipment
US4192380A (en) 1978-10-02 1980-03-11 Dresser Industries, Inc. Method and apparatus for logging inclined earth boreholes
US4369713A (en) 1980-10-20 1983-01-25 Transcanada Pipelines Ltd. Pipeline crawler
FR2512410A1 (fr) 1981-09-04 1983-03-11 Kroczynski Patrice Systeme de robots a pattes
EP0085504B1 (de) 1982-02-02 1988-06-01 Subscan Systems Ltd Rohrleitungsfahrzeug
US4676310A (en) * 1982-07-12 1987-06-30 Scherbatskoy Serge Alexander Apparatus for transporting measuring and/or logging equipment in a borehole
US4463814A (en) 1982-11-26 1984-08-07 Advanced Drilling Corporation Down-hole drilling apparatus
FR2556478B1 (fr) 1983-12-09 1986-09-05 Elf Aquitaine Procede et dispositif de mesures geophysiques dans un puits fore
FR2564894B2 (fr) * 1984-05-25 1986-10-03 Inst Francais Du Petrole Methode et dispositif permettant d'effectuer des mesures et/ou interventions dans un puits.
US4558751A (en) 1984-08-02 1985-12-17 Exxon Production Research Co. Apparatus for transporting equipment through a conduit
JPH07108659B2 (ja) 1985-08-07 1995-11-22 東京瓦斯株式会社 管内走行装置、及び管内点検走行装置
US4919223A (en) 1988-01-15 1990-04-24 Shawn E. Egger Apparatus for remotely controlled movement through tubular conduit
US5210821A (en) 1988-03-28 1993-05-11 Nissan Motor Company Control for a group of robots
US4862808A (en) 1988-08-29 1989-09-05 Gas Research Institute Robotic pipe crawling device
US4838170A (en) 1988-10-17 1989-06-13 Mcdermott International, Inc. Drive wheel unit
US4940095A (en) 1989-01-27 1990-07-10 Dowell Schlumberger Incorporated Deployment/retrieval method and apparatus for well tools used with coiled tubing
EP0584888A3 (en) * 1989-06-07 1994-09-14 Onet Sa Autonomous apparatus and process for the automatic cleaning of ground areas through performance of programmed tasks
FR2648861B1 (fr) 1989-06-26 1996-06-14 Inst Francais Du Petrole Dispositif pour guider un train de tiges dans un puits
US5080020A (en) 1989-07-14 1992-01-14 Nihon Kohden Corporation Traveling device having elastic contractible body moving along elongated member
US5018451A (en) 1990-01-05 1991-05-28 The United States Of America As Represented By The United States Department Of Energy Extendable pipe crawler
GB2241723B (en) 1990-02-26 1994-02-09 Gordon Alan Graham Self-propelled apparatus
US5111401A (en) 1990-05-19 1992-05-05 The United States Of America As Represented By The Secretary Of The Navy Navigational control system for an autonomous vehicle
FR2662989A1 (fr) 1990-06-11 1991-12-13 Esstin Vehicule auto propulse et articule a verins telescopiques pour l'inspection de tuyauteries.
JP3149110B2 (ja) 1990-09-28 2001-03-26 株式会社東芝 走行機構及びその走行機構を備えた走行装置
US5180955A (en) 1990-10-11 1993-01-19 International Business Machines Corporation Positioning apparatus
US5172639A (en) 1991-03-26 1992-12-22 Gas Research Institute Cornering pipe traveler
US5121694A (en) 1991-04-02 1992-06-16 Zollinger William T Pipe crawler with extendable legs
US5272986A (en) 1991-05-13 1993-12-28 British Gas Plc Towing swivel for pipe inspection or other vehicle
US5254835A (en) 1991-07-16 1993-10-19 General Electric Company Robotic welder for nuclear boiling water reactors
US5284096A (en) 1991-08-06 1994-02-08 Osaka Gas Company, Limited Vehicle for use in pipes
US5220869A (en) 1991-08-07 1993-06-22 Osaka Gas Company, Ltd. Vehicle adapted to freely travel three-dimensionally and up vertical walls by magnetic force and wheel for the vehicle
DE4129709C1 (de) * 1991-09-06 1992-12-03 Bergwerksverband Gmbh
US5203646A (en) 1992-02-06 1993-04-20 Cornell Research Foundation, Inc. Cable crawling underwater inspection and cleaning robot
US5293823A (en) 1992-09-23 1994-03-15 Box W Donald Robotic vehicle
US5316094A (en) 1992-10-20 1994-05-31 Camco International Inc. Well orienting tool and/or thruster
US5373898A (en) 1992-10-20 1994-12-20 Camco International Inc. Rotary piston well tool
US5350033A (en) 1993-04-26 1994-09-27 Kraft Brett W Robotic inspection vehicle
US5309844A (en) 1993-05-24 1994-05-10 The United States Of America As Represented By The United States Department Of Energy Flexible pipe crawling device having articulated two axis coupling
US5375530A (en) 1993-09-20 1994-12-27 The United States Of America As Represented By The Department Of Energy Pipe crawler with stabilizing midsection
US5392715A (en) 1993-10-12 1995-02-28 Osaka Gas Company, Ltd. In-pipe running robot and method of running the robot
US5394951A (en) 1993-12-13 1995-03-07 Camco International Inc. Bottom hole drilling assembly
US5435395A (en) 1994-03-22 1995-07-25 Halliburton Company Method for running downhole tools and devices with coiled tubing
US5812068A (en) 1994-12-12 1998-09-22 Baker Hughes Incorporated Drilling system with downhole apparatus for determining parameters of interest and for adjusting drilling direction in response thereto
US5842149A (en) 1996-10-22 1998-11-24 Baker Hughes Incorporated Closed loop drilling system
US5732776A (en) 1995-02-09 1998-03-31 Baker Hughes Incorporated Downhole production well control system and method
GB2302349B (en) 1995-02-09 1999-08-18 Baker Hughes Inc Subsurface valve position and monitoring system for a production well
US5829520A (en) 1995-02-14 1998-11-03 Baker Hughes Incorporated Method and apparatus for testing, completion and/or maintaining wellbores using a sensor device
US5794703A (en) 1996-07-03 1998-08-18 Ctes, L.C. Wellbore tractor and method of moving an item through a wellbore
GB9614761D0 (en) * 1996-07-13 1996-09-04 Schlumberger Ltd Downhole tool and method

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EP0862682A2 (de) 1998-09-09
WO1998012418A3 (en) 1998-07-23
NO321265B1 (no) 2006-04-10
DE69734917D1 (de) 2006-01-26
NO982336L (no) 1998-07-22
CA2238334A1 (en) 1998-03-26
AU738284C (en) 2002-06-13
NO982336D0 (no) 1998-05-22
AU738284B2 (en) 2001-09-13
CA2238334C (en) 2008-04-22
EP0862682B1 (de) 2005-12-21
WO1998012418A2 (en) 1998-03-26
US6378627B1 (en) 2002-04-30
BR9706796A (pt) 2000-01-04
AU4589597A (en) 1998-04-14

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