NO20011363L - Fremgangsmåte og anordning for å skape en avbildning av et borehull eller en brönnfôring - Google Patents

Fremgangsmåte og anordning for å skape en avbildning av et borehull eller en brönnfôring

Info

Publication number
NO20011363L
NO20011363L NO20011363A NO20011363A NO20011363L NO 20011363 L NO20011363 L NO 20011363L NO 20011363 A NO20011363 A NO 20011363A NO 20011363 A NO20011363 A NO 20011363A NO 20011363 L NO20011363 L NO 20011363L
Authority
NO
Norway
Prior art keywords
wellbore
borehole
creating
image
Prior art date
Application number
NO20011363A
Other languages
English (en)
Norwegian (no)
Other versions
NO20011363D0 (no
Inventor
Georgios L Varsamis
Abbas Arian
Laurence T Wisniewski
Original Assignee
Dresser Ind
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 Dresser Ind filed Critical Dresser Ind
Publication of NO20011363D0 publication Critical patent/NO20011363D0/no
Publication of NO20011363L publication Critical patent/NO20011363L/no

Links

Classifications

    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B47/00Survey of boreholes or wells
    • E21B47/06Measuring temperature or pressure
    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B47/00Survey of boreholes or wells
    • E21B47/002Survey of boreholes or wells by visual inspection
    • E21B47/0025Survey of boreholes or wells by visual inspection generating an image of the borehole wall using down-hole measurements, e.g. acoustic or electric
    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B47/00Survey of boreholes or wells
    • E21B47/02Determining slope or direction
    • E21B47/022Determining slope or direction of the borehole, e.g. using geomagnetism
    • E21B47/0224Determining slope or direction of the borehole, e.g. using geomagnetism using seismic or acoustic means
    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B47/00Survey of boreholes or wells
    • E21B47/08Measuring diameters or related dimensions at the borehole
    • E21B47/085Measuring diameters or related dimensions at the borehole using radiant means, e.g. acoustic, radioactive or electromagnetic
    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B47/00Survey of boreholes or wells
    • E21B47/12Means 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
    • E21B47/14Means 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 using acoustic waves
    • E21B47/18Means 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 using acoustic waves through the well fluid, e.g. mud pressure pulse telemetry
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01VGEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V1/00Seismology; Seismic or acoustic prospecting or detecting
    • G01V1/40Seismology; Seismic or acoustic prospecting or detecting specially adapted for well-logging
    • G01V1/44Seismology; Seismic or acoustic prospecting or detecting specially adapted for well-logging using generators and receivers in the same well
    • G01V1/46Data acquisition

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Geophysics (AREA)
  • Fluid Mechanics (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Acoustics & Sound (AREA)
  • Remote Sensing (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Geophysics And Detection Of Objects (AREA)
NO20011363A 1998-09-17 2001-03-16 Fremgangsmåte og anordning for å skape en avbildning av et borehull eller en brönnfôring NO20011363L (no)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/154,910 US5987385A (en) 1997-08-29 1998-09-17 Method and apparatus for creating an image of an earth borehole or a well casing
PCT/US1999/021802 WO2000016128A1 (en) 1998-09-17 1999-09-17 Method and apparatus for creating an image of an earth borehole or a well casing

Publications (2)

Publication Number Publication Date
NO20011363D0 NO20011363D0 (no) 2001-03-16
NO20011363L true NO20011363L (no) 2001-03-16

Family

ID=22553335

Family Applications (1)

Application Number Title Priority Date Filing Date
NO20011363A NO20011363L (no) 1998-09-17 2001-03-16 Fremgangsmåte og anordning for å skape en avbildning av et borehull eller en brönnfôring

Country Status (4)

Country Link
US (1) US5987385A (de)
EP (1) EP1114334B1 (de)
NO (1) NO20011363L (de)
WO (1) WO2000016128A1 (de)

Families Citing this family (88)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6170573B1 (en) * 1998-07-15 2001-01-09 Charles G. Brunet Freely moving oil field assembly for data gathering and or producing an oil well
WO2001061141A1 (en) 2000-02-16 2001-08-23 Performance Research & Drilling, Llc Horizontal directional drilling in wells
US6530439B2 (en) 2000-04-06 2003-03-11 Henry B. Mazorow Flexible hose with thrusters for horizontal well drilling
US6584407B2 (en) * 2001-01-10 2003-06-24 Halliburton Energy Services, Inc. Formation resistivity measurement method that eliminates effects of lateral tool motion
GB2404984B (en) * 2001-01-10 2005-06-08 Halliburton Energy Serv Inc Downhole formation property logging
US6467341B1 (en) 2001-04-24 2002-10-22 Schlumberger Technology Corporation Accelerometer caliper while drilling
US7000700B2 (en) * 2002-07-30 2006-02-21 Baker Hughes Incorporated Measurement-while-drilling assembly using real-time toolface oriented measurements
ATE319914T1 (de) 2002-12-31 2006-03-15 Schlumberger Services Petrol Vorrichtung und verfahren zur messung von ultraschallgeschwindigkeit in bohrflüssigkeiten
US7423930B2 (en) * 2003-12-10 2008-09-09 Schlumberger Technology Corporation Methods and systems for detecting arrivals of interest
US7364007B2 (en) * 2004-01-08 2008-04-29 Schlumberger Technology Corporation Integrated acoustic transducer assembly
US7460435B2 (en) * 2004-01-08 2008-12-02 Schlumberger Technology Corporation Acoustic transducers for tubulars
US7357182B2 (en) * 2004-05-06 2008-04-15 Horizontal Expansion Tech, Llc Method and apparatus for completing lateral channels from an existing oil or gas well
US20060278393A1 (en) * 2004-05-06 2006-12-14 Horizontal Expansion Tech, Llc Method and apparatus for completing lateral channels from an existing oil or gas well
US7660196B2 (en) * 2004-05-17 2010-02-09 Schlumberger Technology Corporation Methods for processing dispersive acoustic waveforms
US20050259512A1 (en) * 2004-05-24 2005-11-24 Halliburton Energy Services, Inc. Acoustic caliper with transducer array for improved off-center performance
US7388382B2 (en) * 2004-06-01 2008-06-17 Kjt Enterprises, Inc. System for measuring Earth formation resistivity through an electrically conductive wellbore casing
US7260477B2 (en) * 2004-06-18 2007-08-21 Pathfinder Energy Services, Inc. Estimation of borehole geometry parameters and lateral tool displacements
US7529152B2 (en) * 2005-05-10 2009-05-05 Schlumberger Technology Corporation Use of an effective tool model in sonic logging data processing
US7652950B2 (en) * 2005-06-03 2010-01-26 Schlumberger Technology Corporation Radial profiling of formation mobility using horizontal and vertical shear slowness profiles
US20070005251A1 (en) * 2005-06-22 2007-01-04 Baker Hughes Incorporated Density log without a nuclear source
US20070070811A1 (en) * 2005-08-23 2007-03-29 Baker Hughes, Inc. Multiple tracks scanning tool
US7464588B2 (en) 2005-10-14 2008-12-16 Baker Hughes Incorporated Apparatus and method for detecting fluid entering a wellbore
US20070213935A1 (en) * 2005-12-29 2007-09-13 Schlumberger Technology Corporation Method and System to Display Well Properties Information
US8015868B2 (en) * 2007-09-27 2011-09-13 Baker Hughes Incorporated Formation evaluation using estimated borehole tool position
US7966874B2 (en) * 2006-09-28 2011-06-28 Baker Hughes Incorporated Multi-resolution borehole profiling
US7874362B2 (en) 2007-03-26 2011-01-25 Schlumberger Technology Corporation Determination of downhole pressure while pumping
US9103203B2 (en) * 2007-03-26 2015-08-11 Schlumberger Technology Corporation Wireless logging of fluid filled boreholes
US8260554B2 (en) * 2008-02-29 2012-09-04 Halliburton Energy Services, Inc. Apparatus and method for motion correction to sensor measurements
US8069913B2 (en) 2008-03-26 2011-12-06 Schlumberger Technology Corporation Method and apparatus for detecting acoustic activity in a subsurface formation
US8186459B1 (en) 2008-06-23 2012-05-29 Horizontal Expansion Tech, Llc Flexible hose with thrusters and shut-off valve for horizontal well drilling
GB2460096B (en) 2008-06-27 2010-04-07 Wajid Rasheed Expansion and calliper tool
US9175559B2 (en) 2008-10-03 2015-11-03 Schlumberger Technology Corporation Identification of casing collars while drilling and post drilling using LWD and wireline measurements
US7950451B2 (en) * 2009-04-10 2011-05-31 Bp Corporation North America Inc. Annulus mud flow rate measurement while drilling and use thereof to detect well dysfunction
US8634272B2 (en) * 2009-04-21 2014-01-21 Baker Hughes Incorporated Televiewer image wood-grain reduction techniques
US20100271031A1 (en) * 2009-04-27 2010-10-28 Baker Hughes Incorporated Standoff-Independent Resistivity Sensor System
US9022145B2 (en) * 2009-05-27 2015-05-05 Halliburton Energy Services, Inc. Vibration detection in a drill string based on multi-positioned sensors
EP2270420B1 (de) * 2009-06-30 2014-11-12 Services Pétroliers Schlumberger Verfahren und Vorrichtung zur Entfernung der doppelten Anzeige von Defekten bei der ferngesteuerten Wirbelstrom-Prüfung von Rohren
US8881414B2 (en) 2009-08-17 2014-11-11 Magnum Drilling Services, Inc. Inclination measurement devices and methods of use
WO2011022416A1 (en) 2009-08-17 2011-02-24 Magnum Drilling Services, Inc. Inclination measurement devices and methods of use
US20120127830A1 (en) * 2010-11-23 2012-05-24 Smith International, Inc. Downhole imaging system and related methods of use
US9335195B2 (en) * 2011-02-16 2016-05-10 Baker Hughes Incorporated Multiphase meter to provide data for production management
BR112013030927A2 (pt) * 2011-05-31 2017-03-01 Halliburton Energy Services Inc sistemas e métodos de perfilagem de fragilidade azimutal
US8788207B2 (en) 2011-07-29 2014-07-22 Baker Hughes Incorporated Precise borehole geometry and BHA lateral motion based on real time caliper measurements
WO2013017969A1 (en) * 2011-08-04 2013-02-07 Sik- The Swedish Institute For Food And Biotechnology Fluid visualisation and characterisation system and method; a transducer
CN102900430B (zh) * 2012-09-16 2015-04-22 中国石油大学(华东) 钻井液连续压力波信号的泵压干扰消除方法
US9453407B2 (en) 2012-09-28 2016-09-27 Rosemount Inc. Detection of position of a plunger in a well
US10253618B2 (en) 2013-03-06 2019-04-09 Visuray Intech Ltd X-ray backscatter imaging of an object embedded in a highly scattering medium
US9534491B2 (en) * 2013-09-27 2017-01-03 Rosemount Inc. Detection of position of a plunger in a well
US10690805B2 (en) 2013-12-05 2020-06-23 Pile Dynamics, Inc. Borehold testing device
US10330823B2 (en) 2013-12-05 2019-06-25 Pile Dynamics, Inc. Borehole testing device
US9534487B2 (en) * 2014-01-16 2017-01-03 Schlumberger Technology Corporation Cement acoustic properties from ultrasonic signal amplitude dispersions in cased wells
MX364776B (es) 2014-02-20 2019-05-06 Halliburton Energy Services Inc Control de transmisores acústicos para medición o adquisición de registros en el fondo del pozo.
EP2940246A1 (de) * 2014-05-02 2015-11-04 Piezotech, LLC Druckausgeglichene Wandleranordnung
US9568627B2 (en) * 2014-05-15 2017-02-14 Acoustic Zoom, Inc. System and method for adaptive classification and filtering for imaging diffused energy from the earths subsurface
GB2542069B (en) 2014-07-18 2020-09-02 Halliburton Energy Services Inc Formation density or acoustic impedance logging tool
US9732607B2 (en) 2014-08-18 2017-08-15 Schlumberger Technology Corporation Methods and apparatus for evaluating properties of cement utilizing ultrasonic signal testing
AU2015377244B2 (en) * 2015-01-12 2018-07-12 Halliburton Energy Services, Inc. Wave reflection suppression in pulse modulation telemetry
GB2553724B (en) 2015-07-02 2020-04-15 Halliburton Energy Services Inc Pressure balanced transducer assembly and measurement tool
US10281607B2 (en) 2015-10-26 2019-05-07 Schlumberger Technology Corporation Downhole caliper using multiple acoustic transducers
WO2017127041A1 (en) * 2016-01-20 2017-07-27 Halliburton Energy Services, Inc. Systems and methods for correcting off-center acoustic sondes
US10082593B2 (en) * 2016-03-01 2018-09-25 Gowell International, Llc Method and apparatus for synthetic magnetic sensor aperture using eddy current time transient measurement for downhole applications
AU2016406347B2 (en) 2016-05-13 2021-07-15 Halliburton Energy Services, Inc. Electromagnetic (EM) defect detection methods and systems employing deconvolved raw measurements
US10921478B2 (en) 2016-10-14 2021-02-16 Halliburton Energy Services, Inc. Method and transducer for acoustic logging
CN106640055B (zh) * 2016-11-21 2017-11-17 中国科学院地质与地球物理研究所 一种适用于随钻方位声波测井的接收装置
TWI626622B (zh) * 2017-07-04 2018-06-11 財團法人中興工程顧問社 System and method for stereoscopic imaging of underground rock formation characteristics
US10921486B2 (en) 2017-08-24 2021-02-16 Scientific Drilling International, Inc. Integrated logging tool
CN107558993B (zh) * 2017-09-08 2018-06-22 中国科学院地质与地球物理研究所 一体化随钻声波接收换能器封装装置
US10991498B2 (en) 2017-09-19 2021-04-27 Paccar Inc Sine pulse actuation, and associated systems and methods
NO20180655A1 (en) * 2018-05-07 2019-11-08 Vision Io As Downhole inspection assembly
US10958358B2 (en) 2018-05-22 2021-03-23 Baker Hughes, A Ge Company, Llc Signal transmission system and method
WO2019226178A1 (en) 2018-05-25 2019-11-28 Halliburton Energy Services, Inc. Ultrasonic waveform processing using deconvolution in downhole environments
CN108798644A (zh) * 2018-06-04 2018-11-13 北京六合伟业科技股份有限公司 一种钻测测斜数据qc校核方法
NO20210105A1 (en) 2018-12-27 2021-01-28 Halliburton Energy Services Inc Removal of signal ringdown noise
WO2020236220A1 (en) * 2019-05-20 2020-11-26 Halliburton Energy Services, Inc. Acoustic sensor systems and methods
US11098547B2 (en) 2019-09-03 2021-08-24 Saudi Arabian Oil Company Freeing stuck tubulars in wellbores
US11513249B2 (en) * 2019-10-11 2022-11-29 Scientific Drilling International, Inc. Downhole acoustic device
US11396789B2 (en) 2020-07-28 2022-07-26 Saudi Arabian Oil Company Isolating a wellbore with a wellbore isolation system
US11492862B2 (en) 2020-09-02 2022-11-08 Saudi Arabian Oil Company Cutting pipes in wellbores using downhole autonomous cutting tools
US11867394B2 (en) 2020-10-08 2024-01-09 Saudi Arabian Oil Company Flare spill control system
US11867008B2 (en) 2020-11-05 2024-01-09 Saudi Arabian Oil Company System and methods for the measurement of drilling mud flow in real-time
US11599955B2 (en) 2021-01-04 2023-03-07 Saudi Arabian Oil Company Systems and methods for evaluating and selecting completion equipment using a neural network
US11572752B2 (en) 2021-02-24 2023-02-07 Saudi Arabian Oil Company Downhole cable deployment
US11727555B2 (en) 2021-02-25 2023-08-15 Saudi Arabian Oil Company Rig power system efficiency optimization through image processing
US11846151B2 (en) 2021-03-09 2023-12-19 Saudi Arabian Oil Company Repairing a cased wellbore
US20230136646A1 (en) * 2021-11-02 2023-05-04 Saudi Arabian Oil Company Real time maximum horizontal stress calibration based on predicted caliper log while drilling
US11624265B1 (en) 2021-11-12 2023-04-11 Saudi Arabian Oil Company Cutting pipes in wellbores using downhole autonomous jet cutting tools
US11867012B2 (en) 2021-12-06 2024-01-09 Saudi Arabian Oil Company Gauge cutter and sampler apparatus
US12203366B2 (en) 2023-05-02 2025-01-21 Saudi Arabian Oil Company Collecting samples from wellbores

Family Cites Families (36)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3309656A (en) * 1964-06-10 1967-03-14 Mobil Oil Corp Logging-while-drilling system
US3835953A (en) * 1973-01-26 1974-09-17 Simplec Mfg Co Inc Acoustic caliper logging
US3982606A (en) * 1975-01-22 1976-09-28 Mobil Oil Corporation Acoustical logging apparatus having signal delay means
GB1577322A (en) * 1976-05-13 1980-10-22 Bearcroft R Active attenuation of recurring vibrations
US4215425A (en) * 1978-02-27 1980-07-29 Sangamo Weston, Inc. Apparatus and method for filtering signals in a logging-while-drilling system
US4590593A (en) * 1983-06-30 1986-05-20 Nl Industries, Inc. Electronic noise filtering system
US4665511A (en) * 1984-03-30 1987-05-12 Nl Industries, Inc. System for acoustic caliper measurements
US4599904A (en) * 1984-10-02 1986-07-15 Nl Industries, Inc. Method for determining borehole stress from MWD parameter and caliper measurements
US4796237A (en) * 1987-01-28 1989-01-03 Amoco Corporation Method for acoustic reverberation removal
US4847814A (en) * 1987-02-03 1989-07-11 Chevron Research Company Three-dimensional borehole televiewer display
US5274606A (en) * 1988-04-21 1993-12-28 Drumheller Douglas S Circuit for echo and noise suppression of accoustic signals transmitted through a drill string
US4872526A (en) * 1988-07-18 1989-10-10 Schlumberger Technology Corporation Sonic well logging tool longitudinal wave attenuator
US5043948A (en) * 1988-10-04 1991-08-27 Halliburton Logging Services, Inc. Borehole televiewer system
US5309404A (en) * 1988-12-22 1994-05-03 Schlumberger Technology Corporation Receiver apparatus for use in logging while drilling
US5036945A (en) * 1989-03-17 1991-08-06 Schlumberger Technology Corporation Sonic well tool transmitter receiver array including an attenuation and delay apparatus
US5130950A (en) * 1990-05-16 1992-07-14 Schlumberger Technology Corporation Ultrasonic measurement apparatus
GB2254921A (en) * 1991-04-11 1992-10-21 Teleco Oilfield Services Inc Mwd acoustic borehole caliper
GB2266372B (en) * 1992-04-21 1996-04-17 Scherbatskoy Serge Alexander Sonic measurement while drilling
US5357481A (en) * 1992-11-04 1994-10-18 Western Atlas International, Inc. Borehole logging tool
US5229553A (en) * 1992-11-04 1993-07-20 Western Atlas International, Inc. Acoustic isolator for a borehole logging tool
US5467320A (en) * 1993-01-08 1995-11-14 Halliburton Company Acoustic measuring method for borehole formation testing
BE1007274A5 (fr) * 1993-07-20 1995-05-09 Baroid Technology Inc Procede de commande de la tete d'un dispositif de forage ou de carottage et installation pour la mise en oeuvre de ce procede.
US5418335A (en) * 1993-08-06 1995-05-23 Exxon Production Research Company Synchronized acoustic source
US5371330A (en) * 1993-08-06 1994-12-06 Exxon Production Research Company Synchronized acoustic source
US5341345A (en) * 1993-08-09 1994-08-23 Baker Hughes Incorporated Ultrasonic stand-off gauge
CA2133286C (en) * 1993-09-30 2005-08-09 Gordon Moake Apparatus and method for measuring a borehole
NO178386C (no) * 1993-11-23 1996-03-13 Statoil As Transduser-anordning
US5475731A (en) * 1994-01-07 1995-12-12 Ericsson Inc. Echo-canceling system and method using echo estimate to modify error signal
US5510582A (en) * 1995-03-06 1996-04-23 Halliburton Company Acoustic attenuator, well logging apparatus and method of well logging
GB2300048B (en) * 1995-04-19 1999-08-11 Halliburton Co Acoustic noise cancelling apparatus for well logging and method of well logging
US5644186A (en) * 1995-06-07 1997-07-01 Halliburton Company Acoustic Transducer for LWD tool
US5724308A (en) * 1995-10-10 1998-03-03 Western Atlas International, Inc. Programmable acoustic borehole logging
US5678643A (en) * 1995-10-18 1997-10-21 Halliburton Energy Services, Inc. Acoustic logging while drilling tool to determine bed boundaries
US5638337A (en) * 1996-08-01 1997-06-10 Western Atlas International, Inc. Method for computing borehole geometry from ultrasonic pulse echo data
US5737277A (en) * 1996-08-01 1998-04-07 Western Atlas International, Inc. Method for computing borehole geometry from ultrasonic pulse echo data
US5763773A (en) * 1996-09-20 1998-06-09 Halliburton Energy Services, Inc. Rotating multi-parameter bond tool

Also Published As

Publication number Publication date
EP1114334B1 (de) 2004-11-03
WO2000016128A1 (en) 2000-03-23
EP1114334A4 (de) 2002-05-22
NO20011363D0 (no) 2001-03-16
EP1114334A1 (de) 2001-07-11
US5987385A (en) 1999-11-16

Similar Documents

Publication Publication Date Title
NO20011363L (no) Fremgangsmåte og anordning for å skape en avbildning av et borehull eller en brönnfôring
GB2337281B (en) Method of downhole drilling and apparatus therefor
NO963821D0 (no) Anordning og fremgangsmåte for boring av et retnings borehull
NO982371D0 (no) FremgangsmÕte og anordning for sementering av br°nn
NO991479L (no) FremgangsmÕte og anordning for boring av et antall fralandsundervannsbrönner
NO971177D0 (no) Fremgangsmåte og anordning for installering av foringsrör i brönnhull
EP0836668A4 (de) Verfahren und vorrichtung für vielfältige operationen bei explorations- und entwicklungsbohrungen in der see
NO20002396D0 (no) FremgangsmÕte og apparat for sementering av foringsrør i et brønnhull
NO982479L (no) FremgangsmÕte og anordning for karakterisering av effluenter fra olje-borehull
NO985911D0 (no) FremgangsmÕte og avstandsfluidblanding for fortrengning av borefluid fra et borehull
NO983243D0 (no) Innretning og fremgangsmate for sideveis komplettering av en brönnboring
NO20010090D0 (no) Apparat og fremgangsmåte for perforering og stimulering av en underjordisk formasjon
FI954309L (fi) Poralaite ja porausmenetelmä
NO985491L (no) Anordning og fremgangsmÕte for fjerning av sand fra en br°nnboring
NO971692D0 (no) Fremgangsmåte og anordning for inspeksjon av borehullrör
NO994796L (no) Anordning og fremgangsmåte for utvinning av hydrater
NO954195L (no) Fremgangsmåte og anordning for opphaling og nedsetting av et fôringsrör eller lignende i et borehull
NO952647L (no) Fremgangsmåte og anordning for perforering av et borehull
NO984262D0 (no) FremgangsmÕte og anordning for evaluering av geologiske formasjoner
NO972627L (no) Fremgangsmåte og anordning for undergrunnsbestemmelse av dybden at et borehull som er utformet i en undergrunnsformasjon
NO974786D0 (no) Anordning og fremgangsmåte for boring av en undergrunnsformasjon
NO991478L (no) FremgangsmÕte og anordning for boring av en fralandsundervannsbrönn
NO307223B1 (no) Anordning og fremgangsmåte for setting av stigeroer
NO305716B1 (no) FramgangsmÕte og anordning for installering av foringsr°rstreng
NO996255D0 (no) Fremgangsmåte og anordning for boring av undersjoeiske broenner

Legal Events

Date Code Title Description
FC2A Withdrawal, rejection or dismissal of laid open patent application