NO20012277L - System og fremgangsmåter for selvstyrt avviksboring - Google Patents

System og fremgangsmåter for selvstyrt avviksboring

Info

Publication number
NO20012277L
NO20012277L NO20012277A NO20012277A NO20012277L NO 20012277 L NO20012277 L NO 20012277L NO 20012277 A NO20012277 A NO 20012277A NO 20012277 A NO20012277 A NO 20012277A NO 20012277 L NO20012277 L NO 20012277L
Authority
NO
Norway
Prior art keywords
self
methods
guided
deviation drilling
drilling
Prior art date
Application number
NO20012277A
Other languages
English (en)
Other versions
NO20012277D0 (no
NO322913B1 (no
Inventor
Volker Krueger
Original Assignee
Baker Hughes 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
Application filed by Baker Hughes Inc filed Critical Baker Hughes Inc
Publication of NO20012277D0 publication Critical patent/NO20012277D0/no
Publication of NO20012277L publication Critical patent/NO20012277L/no
Publication of NO322913B1 publication Critical patent/NO322913B1/no

Links

Classifications

    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21BEARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B7/00Special methods or apparatus for drilling
    • E21B7/04Directional drilling
    • E21B7/06Deflecting the direction of boreholes
    • E21B7/068Deflecting the direction of boreholes drilled by a down-hole drilling motor
    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21BEARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B44/00Automatic 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
    • E21B44/005Below-ground automatic control systems
NO20012277A 1998-11-10 2001-05-09 System og fremgangsmate for selvstyrt avviksboring NO322913B1 (no)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10785698P 1998-11-10 1998-11-10
PCT/US1999/026539 WO2000028188A1 (en) 1998-11-10 1999-11-10 Self-controlled directional drilling systems and methods

Publications (3)

Publication Number Publication Date
NO20012277D0 NO20012277D0 (no) 2001-05-09
NO20012277L true NO20012277L (no) 2001-07-09
NO322913B1 NO322913B1 (no) 2006-12-18

Family

ID=22318842

Family Applications (1)

Application Number Title Priority Date Filing Date
NO20012277A NO322913B1 (no) 1998-11-10 2001-05-09 System og fremgangsmate for selvstyrt avviksboring

Country Status (6)

Country Link
US (2) US6513606B1 (no)
AU (1) AU1614800A (no)
CA (1) CA2350143C (no)
GB (1) GB2362173B (no)
NO (1) NO322913B1 (no)
WO (1) WO2000028188A1 (no)

Families Citing this family (143)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6857486B2 (en) 2001-08-19 2005-02-22 Smart Drilling And Completion, Inc. High power umbilicals for subterranean electric drilling machines and remotely operated vehicles
US6923273B2 (en) * 1997-10-27 2005-08-02 Halliburton Energy Services, Inc. Well system
US6529834B1 (en) * 1997-12-04 2003-03-04 Baker Hughes Incorporated Measurement-while-drilling assembly using gyroscopic devices and methods of bias removal
EP1365103B1 (en) * 1999-08-05 2008-10-29 Baker Hughes Incorporated Continuous wellbore drilling system with stationary sensor measurements
GB2370304B (en) * 1999-08-05 2003-10-01 Baker Hughes Inc Continuous wellbore drilling system with stationary sensor measurements
US9586699B1 (en) 1999-08-16 2017-03-07 Smart Drilling And Completion, Inc. Methods and apparatus for monitoring and fixing holes in composite aircraft
US6446737B1 (en) * 1999-09-14 2002-09-10 Deep Vision Llc Apparatus and method for rotating a portion of a drill string
US6315062B1 (en) 1999-09-24 2001-11-13 Vermeer Manufacturing Company Horizontal directional drilling machine employing inertial navigation control system and method
US6419033B1 (en) 1999-12-10 2002-07-16 Baker Hughes Incorporated Apparatus and method for simultaneous drilling and casing wellbores
IT1316157B1 (it) * 2000-01-05 2003-04-03 Eni Spa Metodo migliorato per la perforazione di pozzi petroliferi
US6622803B2 (en) * 2000-03-22 2003-09-23 Rotary Drilling Technology, Llc Stabilizer for use in a drill string
FR2812338B1 (fr) * 2000-07-25 2002-11-08 Total Fina Elf S A Procede et dispositif de forage rotary d'un puits
WO2002035048A1 (en) * 2000-10-27 2002-05-02 Vermeer Manufacturing Company Solid-state inertial navigation control system for a horizontal drilling machine
US6920085B2 (en) 2001-02-14 2005-07-19 Halliburton Energy Services, Inc. Downlink telemetry system
GB2398091B (en) * 2001-05-14 2005-06-29 Baker Hughes Inc Method and apparatus for monitoring and recording of the operating condition of a downhole drill bit during drilling operations
US9625361B1 (en) 2001-08-19 2017-04-18 Smart Drilling And Completion, Inc. Methods and apparatus to prevent failures of fiber-reinforced composite materials under compressive stresses caused by fluids and gases invading microfractures in the materials
US7066284B2 (en) * 2001-11-14 2006-06-27 Halliburton Energy Services, Inc. Method and apparatus for a monodiameter wellbore, monodiameter casing, monobore, and/or monowell
US20030127252A1 (en) * 2001-12-19 2003-07-10 Geoff Downton Motor Driven Hybrid Rotary Steerable System
US7556105B2 (en) 2002-05-15 2009-07-07 Baker Hughes Incorporated Closed loop drilling assembly with electronics outside a non-rotating sleeve
US6913095B2 (en) 2002-05-15 2005-07-05 Baker Hughes Incorporated Closed loop drilling assembly with electronics outside a non-rotating sleeve
ES2342596T3 (es) * 2002-08-29 2010-07-09 MERCK SHARP & DOHME CORP. Indoles con actividad anti-diabetica.
USRE42877E1 (en) 2003-02-07 2011-11-01 Weatherford/Lamb, Inc. Methods and apparatus for wellbore construction and completion
US7185715B2 (en) * 2003-03-10 2007-03-06 Baker Hughes Incorporated Apparatus and method of controlling motion and vibration of an NMR sensor in a drilling bha
US7044239B2 (en) * 2003-04-25 2006-05-16 Noble Corporation System and method for automatic drilling to maintain equivalent circulating density at a preferred value
US7320370B2 (en) 2003-09-17 2008-01-22 Schlumberger Technology Corporation Automatic downlink system
US7395882B2 (en) 2004-02-19 2008-07-08 Baker Hughes Incorporated Casing and liner drilling bits
US7757784B2 (en) * 2003-11-17 2010-07-20 Baker Hughes Incorporated Drilling methods utilizing independently deployable multiple tubular strings
GB2408526B (en) * 2003-11-26 2007-10-17 Schlumberger Holdings Steerable drilling system
CA2550405C (en) * 2003-12-19 2009-09-01 Pushkar Nath Jogi Method and apparatus for enhancing directional accuracy and control using bottomhole assembly bending measurements
US7954570B2 (en) * 2004-02-19 2011-06-07 Baker Hughes Incorporated Cutting elements configured for casing component drillout and earth boring drill bits including same
US7624818B2 (en) 2004-02-19 2009-12-01 Baker Hughes Incorporated Earth boring drill bits with casing component drill out capability and methods of use
BRPI0508357B1 (pt) * 2004-03-01 2016-09-13 Halliburton Energy Services Inc método para determinar a pressão de supercarga em uma formação interceptada por um furo de sondagem
US7260985B2 (en) * 2004-05-21 2007-08-28 Halliburton Energy Services, Inc Formation tester tool assembly and methods of use
US7603897B2 (en) * 2004-05-21 2009-10-20 Halliburton Energy Services, Inc. Downhole probe assembly
US7216533B2 (en) * 2004-05-21 2007-05-15 Halliburton Energy Services, Inc. Methods for using a formation tester
BRPI0511293A (pt) * 2004-05-21 2007-12-04 Halliburton Energy Serv Inc método para medir uma propriedade de formação
AU2005245980B8 (en) * 2004-05-21 2009-07-09 Halliburton Energy Services, Inc. Methods and apparatus for using formation property data
US7243719B2 (en) * 2004-06-07 2007-07-17 Pathfinder Energy Services, Inc. Control method for downhole steering tool
US7708086B2 (en) * 2004-11-19 2010-05-04 Baker Hughes Incorporated Modular drilling apparatus with power and/or data transmission
US7539548B2 (en) * 2005-02-24 2009-05-26 Sara Services & Engineers (Pvt) Ltd. Smart-control PLC based touch screen driven remote control panel for BOP control unit
US8827006B2 (en) 2005-05-12 2014-09-09 Schlumberger Technology Corporation Apparatus and method for measuring while drilling
US20070089909A1 (en) * 2005-10-07 2007-04-26 M-I Llc Mechanically modified filter cake
US7497279B2 (en) * 2005-11-21 2009-03-03 Hall David R Jack element adapted to rotate independent of a drill bit
US7730975B2 (en) * 2005-11-21 2010-06-08 Schlumberger Technology Corporation Drill bit porting system
US7424922B2 (en) * 2005-11-21 2008-09-16 Hall David R Rotary valve for a jack hammer
US8267196B2 (en) * 2005-11-21 2012-09-18 Schlumberger Technology Corporation Flow guide actuation
US7641002B2 (en) * 2005-11-21 2010-01-05 Hall David R Drill bit
US8297378B2 (en) * 2005-11-21 2012-10-30 Schlumberger Technology Corporation Turbine driven hammer that oscillates at a constant frequency
US8528664B2 (en) 2005-11-21 2013-09-10 Schlumberger Technology Corporation Downhole mechanism
US8360174B2 (en) * 2006-03-23 2013-01-29 Schlumberger Technology Corporation Lead the bit rotary steerable tool
US7559379B2 (en) * 2005-11-21 2009-07-14 Hall David R Downhole steering
US7360610B2 (en) * 2005-11-21 2008-04-22 Hall David R Drill bit assembly for directional drilling
US8205688B2 (en) * 2005-11-21 2012-06-26 Hall David R Lead the bit rotary steerable system
US8522897B2 (en) 2005-11-21 2013-09-03 Schlumberger Technology Corporation Lead the bit rotary steerable tool
US8316964B2 (en) * 2006-03-23 2012-11-27 Schlumberger Technology Corporation Drill bit transducer device
US8130117B2 (en) 2006-03-23 2012-03-06 Schlumberger Technology Corporation Drill bit with an electrically isolated transmitter
US7624824B2 (en) * 2005-12-22 2009-12-01 Hall David R Downhole hammer assembly
US7549489B2 (en) 2006-03-23 2009-06-23 Hall David R Jack element with a stop-off
US7967082B2 (en) 2005-11-21 2011-06-28 Schlumberger Technology Corporation Downhole mechanism
US7591327B2 (en) * 2005-11-21 2009-09-22 Hall David R Drilling at a resonant frequency
US8297375B2 (en) * 2005-11-21 2012-10-30 Schlumberger Technology Corporation Downhole turbine
US7753144B2 (en) 2005-11-21 2010-07-13 Schlumberger Technology Corporation Drill bit with a retained jack element
US7533737B2 (en) * 2005-11-21 2009-05-19 Hall David R Jet arrangement for a downhole drill bit
US8225883B2 (en) 2005-11-21 2012-07-24 Schlumberger Technology Corporation Downhole percussive tool with alternating pressure differentials
US7571780B2 (en) 2006-03-24 2009-08-11 Hall David R Jack element for a drill bit
US7900720B2 (en) 2006-01-18 2011-03-08 Schlumberger Technology Corporation Downhole drive shaft connection
US8875810B2 (en) * 2006-03-02 2014-11-04 Baker Hughes Incorporated Hole enlargement drilling device and methods for using same
CA2644442C (en) * 2006-03-02 2013-04-23 Baker Hughes Incorporated Automated steerable hole enlargement drilling device and methods
US7694756B2 (en) 2006-03-23 2010-04-13 Hall David R Indenting member for a drill bit
US8011457B2 (en) 2006-03-23 2011-09-06 Schlumberger Technology Corporation Downhole hammer assembly
USD620510S1 (en) 2006-03-23 2010-07-27 Schlumberger Technology Corporation Drill bit
US7661487B2 (en) 2006-03-23 2010-02-16 Hall David R Downhole percussive tool with alternating pressure differentials
US7413034B2 (en) * 2006-04-07 2008-08-19 Halliburton Energy Services, Inc. Steering tool
US7621351B2 (en) 2006-05-15 2009-11-24 Baker Hughes Incorporated Reaming tool suitable for running on casing or liner
US9051795B2 (en) 2006-08-11 2015-06-09 Schlumberger Technology Corporation Downhole drill bit
US8449040B2 (en) * 2006-08-11 2013-05-28 David R. Hall Shank for an attack tool
US7637574B2 (en) 2006-08-11 2009-12-29 Hall David R Pick assembly
US8240404B2 (en) * 2006-08-11 2012-08-14 Hall David R Roof bolt bit
US7886851B2 (en) * 2006-08-11 2011-02-15 Schlumberger Technology Corporation Drill bit nozzle
US9316061B2 (en) 2006-08-11 2016-04-19 David R. Hall High impact resistant degradation element
US8567532B2 (en) 2006-08-11 2013-10-29 Schlumberger Technology Corporation Cutting element attached to downhole fixed bladed bit at a positive rake angle
US7871133B2 (en) * 2006-08-11 2011-01-18 Schlumberger Technology Corporation Locking fixture
US9145742B2 (en) 2006-08-11 2015-09-29 Schlumberger Technology Corporation Pointed working ends on a drill bit
US8215420B2 (en) * 2006-08-11 2012-07-10 Schlumberger Technology Corporation Thermally stable pointed diamond with increased impact resistance
US7669674B2 (en) 2006-08-11 2010-03-02 Hall David R Degradation assembly
US8122980B2 (en) * 2007-06-22 2012-02-28 Schlumberger Technology Corporation Rotary drag bit with pointed cutting elements
US8622155B2 (en) * 2006-08-11 2014-01-07 Schlumberger Technology Corporation Pointed diamond working ends on a shear bit
US8590644B2 (en) 2006-08-11 2013-11-26 Schlumberger Technology Corporation Downhole drill bit
US20080035389A1 (en) * 2006-08-11 2008-02-14 Hall David R Roof Mining Drill Bit
US8616305B2 (en) 2006-08-11 2013-12-31 Schlumberger Technology Corporation Fixed bladed bit that shifts weight between an indenter and cutting elements
US8714285B2 (en) * 2006-08-11 2014-05-06 Schlumberger Technology Corporation Method for drilling with a fixed bladed bit
US8596381B2 (en) 2006-08-11 2013-12-03 David R. Hall Sensor on a formation engaging member of a drill bit
US7650952B2 (en) * 2006-08-25 2010-01-26 Smith International, Inc. Passive vertical drilling motor stabilization
US9068410B2 (en) 2006-10-26 2015-06-30 Schlumberger Technology Corporation Dense diamond body
US8960337B2 (en) 2006-10-26 2015-02-24 Schlumberger Technology Corporation High impact resistant tool with an apex width between a first and second transitions
US7954401B2 (en) * 2006-10-27 2011-06-07 Schlumberger Technology Corporation Method of assembling a drill bit with a jack element
US7967081B2 (en) 2006-11-09 2011-06-28 Smith International, Inc. Closed-loop physical caliper measurements and directional drilling method
US8118114B2 (en) 2006-11-09 2012-02-21 Smith International Inc. Closed-loop control of rotary steerable blades
US7464770B2 (en) 2006-11-09 2008-12-16 Pathfinder Energy Services, Inc. Closed-loop control of hydraulic pressure in a downhole steering tool
GB2445019B (en) * 2006-12-21 2011-06-15 Schlumberger Holdings Steering system
US7392857B1 (en) * 2007-01-03 2008-07-01 Hall David R Apparatus and method for vibrating a drill bit
USD678368S1 (en) 2007-02-12 2013-03-19 David R. Hall Drill bit with a pointed cutting element
USD674422S1 (en) 2007-02-12 2013-01-15 Hall David R Drill bit with a pointed cutting element and a shearing cutting element
US8839888B2 (en) 2010-04-23 2014-09-23 Schlumberger Technology Corporation Tracking shearing cutters on a fixed bladed drill bit with pointed cutting elements
US7866416B2 (en) 2007-06-04 2011-01-11 Schlumberger Technology Corporation Clutch for a jack element
CN101074596B (zh) * 2007-06-19 2011-01-26 西安石油大学 变径方位稳定器
US20080314641A1 (en) * 2007-06-20 2008-12-25 Mcclard Kevin Directional Drilling System and Software Method
US7766098B2 (en) * 2007-08-31 2010-08-03 Precision Energy Services, Inc. Directional drilling control using modulated bit rotation
US20100163308A1 (en) 2008-12-29 2010-07-01 Precision Energy Services, Inc. Directional drilling control using periodic perturbation of the drill bit
US7721826B2 (en) * 2007-09-06 2010-05-25 Schlumberger Technology Corporation Downhole jack assembly sensor
US7967083B2 (en) 2007-09-06 2011-06-28 Schlumberger Technology Corporation Sensor for determining a position of a jack element
US7954571B2 (en) 2007-10-02 2011-06-07 Baker Hughes Incorporated Cutting structures for casing component drillout and earth-boring drill bits including same
US8245797B2 (en) 2007-10-02 2012-08-21 Baker Hughes Incorporated Cutting structures for casing component drillout and earth-boring drill bits including same
US8121971B2 (en) 2007-10-30 2012-02-21 Bp Corporation North America Inc. Intelligent drilling advisor
US8360172B2 (en) * 2008-04-16 2013-01-29 Baker Hughes Incorporated Steering device for downhole tools
WO2009146190A1 (en) * 2008-04-16 2009-12-03 Halliburton Energy Services Inc. Apparatus and method for drilling a borehole
US8540037B2 (en) * 2008-04-30 2013-09-24 Schlumberger Technology Corporation Layered polycrystalline diamond
GB0811016D0 (en) * 2008-06-17 2008-07-23 Smart Stabilizer Systems Ltd Steering component and steering assembly
US8443883B2 (en) * 2008-07-28 2013-05-21 Baker Hughes Incorporated Apparatus and method for detecting poor hole cleaning and stuck pipe
CA2642713C (en) * 2008-11-03 2012-08-07 Halliburton Energy Services, Inc. Drilling apparatus and method
US9388635B2 (en) 2008-11-04 2016-07-12 Halliburton Energy Services, Inc. Method and apparatus for controlling an orientable connection in a drilling assembly
US7950473B2 (en) 2008-11-24 2011-05-31 Smith International, Inc. Non-azimuthal and azimuthal formation evaluation measurement in a slowly rotating housing
GB2479685B (en) 2009-02-09 2013-04-24 Baker Hughes Inc Downhole apparatus with a wireless data communication device between rotating and non-rotating members
US8701799B2 (en) 2009-04-29 2014-04-22 Schlumberger Technology Corporation Drill bit cutter pocket restitution
US8235145B2 (en) * 2009-12-11 2012-08-07 Schlumberger Technology Corporation Gauge pads, cutters, rotary components, and methods for directional drilling
US20110203805A1 (en) * 2010-02-23 2011-08-25 Baker Hughes Incorporated Valving Device and Method of Valving
US8550190B2 (en) 2010-04-01 2013-10-08 David R. Hall Inner bit disposed within an outer bit
US8418784B2 (en) 2010-05-11 2013-04-16 David R. Hall Central cutting region of a drilling head assembly
US9145736B2 (en) 2010-07-21 2015-09-29 Baker Hughes Incorporated Tilted bit rotary steerable drilling system
US9273517B2 (en) 2010-08-19 2016-03-01 Schlumberger Technology Corporation Downhole closed-loop geosteering methodology
US8333254B2 (en) 2010-10-01 2012-12-18 Hall David R Steering mechanism with a ring disposed about an outer diameter of a drill bit and method for drilling
US8820440B2 (en) 2010-10-01 2014-09-02 David R. Hall Drill bit steering assembly
US9932818B2 (en) * 2010-11-17 2018-04-03 Halliburton Energy Services, Inc. Apparatus and method for drilling a well
US8342266B2 (en) 2011-03-15 2013-01-01 Hall David R Timed steering nozzle on a downhole drill bit
US9038747B2 (en) 2011-06-20 2015-05-26 David L. Abney, Inc. Adjustable bent drilling tool having in situ drilling direction change capability
US8640793B2 (en) * 2011-10-19 2014-02-04 Earth Tool Company, Llc Dynamic steering tool
US20160003028A1 (en) * 2013-03-28 2016-01-07 Schlumberger Technology Corporation Automatic Wellbore Survey Evaluation
US9399892B2 (en) 2013-05-13 2016-07-26 Baker Hughes Incorporated Earth-boring tools including movable cutting elements and related methods
US9759014B2 (en) 2013-05-13 2017-09-12 Baker Hughes Incorporated Earth-boring tools including movable formation-engaging structures and related methods
GB2539817B (en) * 2014-03-11 2020-08-26 Halliburton Energy Services Inc Controlling a bottom-hole assembly in a wellbore
US10590757B1 (en) 2019-04-09 2020-03-17 Erdos Miller, Inc. Measurement while drilling communication scheme
CN110965941A (zh) * 2019-12-24 2020-04-07 西南石油大学 一种地质导向钻井测试工具及使用方法
RU2733536C1 (ru) * 2020-05-21 2020-10-05 Публичное акционерное общество «Татнефть» имени В.Д. Шашина Устройство для контроля положения ствола горизонтальной скважины при бурении

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1584898A (en) 1923-08-11 1926-05-18 James A Smith Threading die
US5220963A (en) * 1989-12-22 1993-06-22 Patton Consulting, Inc. System for controlled drilling of boreholes along planned profile
GB9204910D0 (en) * 1992-03-05 1992-04-22 Ledge 101 Ltd Downhole tool
US5332048A (en) * 1992-10-23 1994-07-26 Halliburton Company Method and apparatus for automatic closed loop drilling system
WO1998017894A2 (en) * 1996-10-22 1998-04-30 Baker Hughes Incorporated Drilling system with integrated bottom hole assembly
US6092610A (en) * 1998-02-05 2000-07-25 Schlumberger Technology Corporation Actively controlled rotary steerable system and method for drilling wells

Also Published As

Publication number Publication date
GB2362173A (en) 2001-11-14
CA2350143C (en) 2006-05-23
GB2362173B (en) 2003-05-28
NO20012277D0 (no) 2001-05-09
NO322913B1 (no) 2006-12-18
US20030146022A1 (en) 2003-08-07
GB0113644D0 (en) 2001-07-25
WO2000028188A1 (en) 2000-05-18
US6513606B1 (en) 2003-02-04
AU1614800A (en) 2000-05-29
CA2350143A1 (en) 2000-05-18

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