[go: up one dir, main page]

NO930044D0 - Fremgangsmaate for aa evaluere formasjoner og borekroneforhold - Google Patents

Fremgangsmaate for aa evaluere formasjoner og borekroneforhold

Info

Publication number
NO930044D0
NO930044D0 NO930044A NO930044A NO930044D0 NO 930044 D0 NO930044 D0 NO 930044D0 NO 930044 A NO930044 A NO 930044A NO 930044 A NO930044 A NO 930044A NO 930044 D0 NO930044 D0 NO 930044D0
Authority
NO
Norway
Prior art keywords
evaluate
procedure
forms
drilling conditions
drilling
Prior art date
Application number
NO930044A
Other languages
English (en)
Other versions
NO930044L (no
Inventor
Pushkar N Jogi
William A Zoeller
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 NO930044D0 publication Critical patent/NO930044D0/no
Publication of NO930044L publication Critical patent/NO930044L/no

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
    • E21B49/00—Testing the nature of borehole walls; Formation testing; Methods or apparatus for obtaining samples of soil or well fluids, specially adapted to earth drilling or wells
    • E21B49/003—Testing the nature of borehole walls; Formation testing; Methods or apparatus for obtaining samples of soil or well fluids, specially adapted to earth drilling or wells by analysing 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
    • E21B12/00—Accessories for drilling tools
    • E21B12/02—Wear indicators
    • 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
    • E21B21/00—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
    • E21B21/08—Controlling or monitoring pressure or flow of drilling fluid, e.g. automatic filling of boreholes, automatic control of bottom pressure
    • 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

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)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Earth Drilling (AREA)
NO93930044A 1992-01-09 1993-01-07 Fremgangsmaate til vurdering av formasjoner og borkronetilstander NO930044L (no)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US81937892A 1992-01-09 1992-01-09

Publications (2)

Publication Number Publication Date
NO930044D0 true NO930044D0 (no) 1993-01-07
NO930044L NO930044L (no) 1993-07-12

Family

ID=25227989

Family Applications (1)

Application Number Title Priority Date Filing Date
NO93930044A NO930044L (no) 1992-01-09 1993-01-07 Fremgangsmaate til vurdering av formasjoner og borkronetilstander

Country Status (5)

Country Link
US (1) US5415030A (no)
EP (1) EP0551134A1 (no)
AU (1) AU3109593A (no)
MX (1) MX9300087A (no)
NO (1) NO930044L (no)

Families Citing this family (122)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5679894A (en) * 1993-05-12 1997-10-21 Baker Hughes Incorporated Apparatus and method for drilling boreholes
US5864058A (en) * 1994-09-23 1999-01-26 Baroid Technology, Inc. Detecting and reducing bit whirl
DE69635694T2 (de) * 1995-02-16 2006-09-14 Baker-Hughes Inc., Houston Verfahren und Vorrichtung zum Erfassen und Aufzeichnen der Einsatzbedingungen eines Bohrmeissels während des Bohrens
FR2734315B1 (fr) * 1995-05-15 1997-07-04 Inst Francais Du Petrole Methode de determination des conditions de forage comportant un modele de foration
US6047784A (en) * 1996-02-07 2000-04-11 Schlumberger Technology Corporation Apparatus and method for directional drilling using coiled tubing
US5670711A (en) * 1996-03-08 1997-09-23 Regents Of The University Of Minnesota Portable rock strength evaluation device
US6109368A (en) * 1996-03-25 2000-08-29 Dresser Industries, Inc. Method and system for predicting performance of a drilling system for a given formation
US5704436A (en) * 1996-03-25 1998-01-06 Dresser Industries, Inc. Method of regulating drilling conditions applied to a well bit
US6408953B1 (en) * 1996-03-25 2002-06-25 Halliburton Energy Services, Inc. Method and system for predicting performance of a drilling system for a given formation
US7032689B2 (en) * 1996-03-25 2006-04-25 Halliburton Energy Services, Inc. Method and system for predicting performance of a drilling system of a given formation
US5794720A (en) * 1996-03-25 1998-08-18 Dresser Industries, Inc. Method of assaying downhole occurrences and conditions
US6612382B2 (en) * 1996-03-25 2003-09-02 Halliburton Energy Services, Inc. Iterative drilling simulation process for enhanced economic decision making
US5767399A (en) * 1996-03-25 1998-06-16 Dresser Industries, Inc. Method of assaying compressive strength of rock
US6390210B1 (en) * 1996-04-10 2002-05-21 Smith International, Inc. Rolling cone bit with gage and off-gage cutter elements positioned to separate sidewall and bottom hole cutting duty
CA2268444C (en) * 1996-10-11 2006-08-15 Baker Hughes Incorporated Apparatus and method for drilling boreholes
US20030051917A1 (en) * 1998-08-31 2003-03-20 Halliburton Energy Services, Inc. Roller cone bits, methods, and systems with anti-tracking variation in tooth orientation
US20040230413A1 (en) * 1998-08-31 2004-11-18 Shilin Chen Roller cone bit design using multi-objective optimization
US7334652B2 (en) * 1998-08-31 2008-02-26 Halliburton Energy Services, Inc. Roller cone drill bits with enhanced cutting elements and cutting structures
US20040140130A1 (en) * 1998-08-31 2004-07-22 Halliburton Energy Services, Inc., A Delaware Corporation Roller-cone bits, systems, drilling methods, and design methods with optimization of tooth orientation
ID28893A (id) * 1998-08-31 2001-07-12 Halliburton Energy Serv Inc Metode pengeboran, sistem, mata bor konis pelindis, dan metode rancangan dengan optimasi orientasi gigi
US6095262A (en) * 1998-08-31 2000-08-01 Halliburton Energy Services, Inc. Roller-cone bits, systems, drilling methods, and design methods with optimization of tooth orientation
WO2000012859A2 (en) * 1998-08-31 2000-03-09 Halliburton Energy Services, Inc. Force-balanced roller-cone bits, systems, drilling methods, and design methods
US6412577B1 (en) * 1998-08-31 2002-07-02 Halliburton Energy Services Inc. Roller-cone bits, systems, drilling methods, and design methods with optimization of tooth orientation
US8437995B2 (en) * 1998-08-31 2013-05-07 Halliburton Energy Services, Inc. Drill bit and design method for optimizing distribution of individual cutter forces, torque, work, or power
US20040045742A1 (en) * 2001-04-10 2004-03-11 Halliburton Energy Services, Inc. Force-balanced roller-cone bits, systems, drilling methods, and design methods
US20040236553A1 (en) * 1998-08-31 2004-11-25 Shilin Chen Three-dimensional tooth orientation for roller cone bits
US6353799B1 (en) 1999-02-24 2002-03-05 Baker Hughes Incorporated Method and apparatus for determining potential interfacial severity for a formation
US6386297B1 (en) 1999-02-24 2002-05-14 Baker Hughes Incorporated Method and apparatus for determining potential abrasivity in a wellbore
US6276465B1 (en) 1999-02-24 2001-08-21 Baker Hughes Incorporated Method and apparatus for determining potential for drill bit performance
FR2790511B1 (fr) * 1999-03-04 2001-06-08 Geophysique Cie Gle Dispositif de forage equipe de moyens de mesure d'au moins un parametre du sol
FR2792363B1 (fr) * 1999-04-19 2001-06-01 Inst Francais Du Petrole Methode et systeme de detection du deplacement longitudinal d'un outil de forage
JP2001117909A (ja) * 1999-10-21 2001-04-27 Oki Electric Ind Co Ltd マトリクス形式データの転置回路
US6879947B1 (en) * 1999-11-03 2005-04-12 Halliburton Energy Services, Inc. Method for optimizing the bit design for a well bore
EP1226336B1 (en) * 1999-11-05 2011-08-17 Halliburton Energy Services, Inc. Drilling formation tester, apparatus and methods of testing and monitoring status of tester
US8589124B2 (en) * 2000-08-09 2013-11-19 Smith International, Inc. Methods for modeling wear of fixed cutter bits and for designing and optimizing fixed cutter bits
US6634441B2 (en) 2000-08-21 2003-10-21 Halliburton Energy Services, Inc. System and method for detecting roller bit bearing wear through cessation of roller element rotation
US6631772B2 (en) 2000-08-21 2003-10-14 Halliburton Energy Services, Inc. Roller bit rearing wear detection system and method
EP1637695A1 (en) * 2000-09-22 2006-03-22 Weatherford/Lamb, Inc. Methods and apparatus for remote monitoring and control.
US7357197B2 (en) 2000-11-07 2008-04-15 Halliburton Energy Services, Inc. Method and apparatus for monitoring the condition of a downhole drill bit, and communicating the condition to the surface
US6722450B2 (en) 2000-11-07 2004-04-20 Halliburton Energy Svcs. Inc. Adaptive filter prediction method and system for detecting drill bit failure and signaling surface operator
US6817425B2 (en) 2000-11-07 2004-11-16 Halliburton Energy Serv Inc Mean strain ratio analysis method and system for detecting drill bit failure and signaling surface operator
US6648082B2 (en) 2000-11-07 2003-11-18 Halliburton Energy Services, Inc. Differential sensor measurement method and apparatus to detect a drill bit failure and signal surface operator
US6712160B1 (en) 2000-11-07 2004-03-30 Halliburton Energy Services Inc. Leadless sub assembly for downhole detection system
US7284623B2 (en) * 2001-08-01 2007-10-23 Smith International, Inc. Method of drilling a bore hole
US9051781B2 (en) 2009-08-13 2015-06-09 Smart Drilling And Completion, Inc. Mud motor assembly
US9745799B2 (en) 2001-08-19 2017-08-29 Smart Drilling And Completion, Inc. Mud motor assembly
JP4016796B2 (ja) * 2002-10-22 2007-12-05 オムロン株式会社 車載用撮像装置及びそれを用いた車両運転支援装置
DE10254942B3 (de) * 2002-11-25 2004-08-12 Siemens Ag Verfahren zur automatischen Ermittlung der Koordinaten von Abbildern von Marken in einem Volumendatensatz und medizinische Vorrichtung
GB2396216B (en) 2002-12-11 2005-05-25 Schlumberger Holdings System and method for processing and transmitting information from measurements made while drilling
CA2471796A1 (en) * 2003-06-20 2004-12-20 Smith International, Inc. Drill bit performance analysis tool
US8995224B2 (en) * 2003-08-22 2015-03-31 Schlumberger Technology Corporation Real-time velocity and pore-pressure prediction ahead of drill bit
US7195086B2 (en) * 2004-01-30 2007-03-27 Anna Victorovna Aaron Anti-tracking earth boring bit with selected varied pitch for overbreak optimization and vibration reduction
US7031841B2 (en) * 2004-01-30 2006-04-18 Schlumberger Technology Corporation Method for determining pressure of earth formations
US7434632B2 (en) * 2004-03-02 2008-10-14 Halliburton Energy Services, Inc. Roller cone drill bits with enhanced drilling stability and extended life of associated bearings and seals
GB2413403B (en) 2004-04-19 2008-01-09 Halliburton Energy Serv Inc Field synthesis system and method for optimizing drilling operations
US20060020390A1 (en) * 2004-07-22 2006-01-26 Miller Robert G Method and system for determining change in geologic formations being drilled
ITMI20051579A1 (it) * 2004-08-16 2006-02-17 Halliburton Energy Serv Inc Punte da trivella a coni rotanti con strutture di cuscinetto ottimizzate
US7412331B2 (en) * 2004-12-16 2008-08-12 Chevron U.S.A. Inc. Method for predicting rate of penetration using bit-specific coefficient of sliding friction and mechanical efficiency as a function of confined compressive strength
US7555414B2 (en) * 2004-12-16 2009-06-30 Chevron U.S.A. Inc. Method for estimating confined compressive strength for rock formations utilizing skempton theory
US8376065B2 (en) * 2005-06-07 2013-02-19 Baker Hughes Incorporated Monitoring drilling performance in a sub-based unit
US7849934B2 (en) * 2005-06-07 2010-12-14 Baker Hughes Incorporated Method and apparatus for collecting drill bit performance data
US7604072B2 (en) * 2005-06-07 2009-10-20 Baker Hughes Incorporated Method and apparatus for collecting drill bit performance data
US8100196B2 (en) * 2005-06-07 2012-01-24 Baker Hughes Incorporated Method and apparatus for collecting drill bit performance data
DE112006002134T5 (de) 2005-08-08 2008-06-26 Halliburton Energy Services, Inc., Houston Verfahren und Systeme zum Konstruieren und/oder Auswählen von Bohrausrüstung unter Verwendung von Vorhersagen des Ganges des Drehbohrmeißels
US20090229888A1 (en) * 2005-08-08 2009-09-17 Shilin Chen Methods and systems for designing and/or selecting drilling equipment using predictions of rotary drill bit walk
US7860693B2 (en) 2005-08-08 2010-12-28 Halliburton Energy Services, Inc. Methods and systems for designing and/or selecting drilling equipment using predictions of rotary drill bit walk
US7860696B2 (en) * 2005-08-08 2010-12-28 Halliburton Energy Services, Inc. Methods and systems to predict rotary drill bit walk and to design rotary drill bits and other downhole tools
US8316964B2 (en) 2006-03-23 2012-11-27 Schlumberger Technology Corporation Drill bit transducer device
US8297378B2 (en) 2005-11-21 2012-10-30 Schlumberger Technology Corporation Turbine driven hammer that oscillates at a constant frequency
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
US8522897B2 (en) 2005-11-21 2013-09-03 Schlumberger Technology Corporation Lead the bit rotary steerable tool
US8528664B2 (en) 2005-11-21 2013-09-10 Schlumberger Technology Corporation Downhole mechanism
US7641003B2 (en) * 2005-11-21 2010-01-05 David R Hall Downhole hammer assembly
US8267196B2 (en) 2005-11-21 2012-09-18 Schlumberger Technology Corporation Flow guide actuation
US8297375B2 (en) 2005-11-21 2012-10-30 Schlumberger Technology Corporation Downhole turbine
US8360174B2 (en) 2006-03-23 2013-01-29 Schlumberger Technology Corporation Lead the bit rotary steerable tool
US7484571B2 (en) * 2006-06-30 2009-02-03 Baker Hughes Incorporated Downhole abrading tools having excessive wear indicator
US7424910B2 (en) * 2006-06-30 2008-09-16 Baker Hughes Incorporated Downhole abrading tools having a hydrostatic chamber and uses therefor
US7404457B2 (en) * 2006-06-30 2008-07-29 Baker Huges Incorporated Downhole abrading tools having fusible material and methods of detecting tool wear
US7464771B2 (en) 2006-06-30 2008-12-16 Baker Hughes Incorporated Downhole abrading tool having taggants for indicating excessive wear
US20080230221A1 (en) * 2007-03-21 2008-09-25 Schlumberger Technology Corporation Methods and systems for monitoring near-wellbore and far-field reservoir properties using formation-embedded pressure sensors
US7866416B2 (en) 2007-06-04 2011-01-11 Schlumberger Technology Corporation Clutch for a jack element
US8447523B2 (en) * 2007-08-29 2013-05-21 Baker Hughes Incorporated High speed data transfer for measuring lithology and monitoring drilling operations
US7721826B2 (en) 2007-09-06 2010-05-25 Schlumberger Technology Corporation Downhole jack assembly sensor
GB2468251B (en) * 2007-11-30 2012-08-15 Halliburton Energy Serv Inc Method and system for predicting performance of a drilling system having multiple cutting structures
US7946357B2 (en) * 2008-08-18 2011-05-24 Baker Hughes Incorporated Drill bit with a sensor for estimating rate of penetration and apparatus for using same
US8245792B2 (en) * 2008-08-26 2012-08-21 Baker Hughes Incorporated Drill bit with weight and torque sensors and method of making a drill bit
US9249654B2 (en) * 2008-10-03 2016-02-02 Halliburton Energy Services, Inc. Method and system for predicting performance of a drilling system
US8210280B2 (en) * 2008-10-13 2012-07-03 Baker Hughes Incorporated Bit based formation evaluation using a gamma ray sensor
US8215384B2 (en) * 2008-11-10 2012-07-10 Baker Hughes Incorporated Bit based formation evaluation and drill bit and drill string analysis using an acoustic sensor
US8677831B2 (en) 2008-12-31 2014-03-25 Shell Oil Company Apparatus and method for characterizing stresses of a formation
US8082104B2 (en) * 2009-01-23 2011-12-20 Varel International Ind., L.P. Method to determine rock properties from drilling logs
US8162077B2 (en) * 2009-06-09 2012-04-24 Baker Hughes Incorporated Drill bit with weight and torque sensors
US8245793B2 (en) * 2009-06-19 2012-08-21 Baker Hughes Incorporated Apparatus and method for determining corrected weight-on-bit
US9238958B2 (en) * 2009-09-10 2016-01-19 Baker Hughes Incorporated Drill bit with rate of penetration sensor
US20110108325A1 (en) * 2009-11-11 2011-05-12 Baker Hughes Incorporated Integrating Multiple Data Sources for Drilling Applications
US20110155463A1 (en) * 2009-12-31 2011-06-30 Sergey Khromov System and apparatus for directing a survey of a well
US8381838B2 (en) * 2009-12-31 2013-02-26 Pason Systems Corp. System and apparatus for directing the drilling of a well
BR112012016547A2 (pt) * 2010-01-05 2016-04-19 Halliburton Energy Services Inc método e sistema de modelo de interação de broca e alargador
US8573327B2 (en) 2010-04-19 2013-11-05 Baker Hughes Incorporated Apparatus and methods for estimating tool inclination using bit-based gamma ray sensors
CA2819319A1 (en) 2010-12-13 2012-06-21 Schlumberger Canada Limited Optimized drilling
US8899350B2 (en) 2010-12-16 2014-12-02 Caterpillar Inc. Method and apparatus for detection of drill bit wear
US9041547B2 (en) 2011-08-26 2015-05-26 Baker Hughes Incorporated System and method for stick-slip correction
US9436173B2 (en) 2011-09-07 2016-09-06 Exxonmobil Upstream Research Company Drilling advisory systems and methods with combined global search and local search methods
US8210283B1 (en) * 2011-12-22 2012-07-03 Hunt Energy Enterprises, L.L.C. System and method for surface steerable drilling
US9169697B2 (en) 2012-03-27 2015-10-27 Baker Hughes Incorporated Identification emitters for determining mill life of a downhole tool and methods of using same
CN102691497B (zh) * 2012-05-28 2013-06-12 中国石油大学(北京) 一种预测不同井底压差下岩石可钻性级值的方法
US9482084B2 (en) 2012-09-06 2016-11-01 Exxonmobil Upstream Research Company Drilling advisory systems and methods to filter data
US9022140B2 (en) 2012-10-31 2015-05-05 Resource Energy Solutions Inc. Methods and systems for improved drilling operations using real-time and historical drilling data
US10072481B2 (en) 2013-08-29 2018-09-11 Baker Hughes, A Ge Company, Llc Modeling and production of tight hydrocarbon reservoirs
US10094210B2 (en) * 2013-10-01 2018-10-09 Rocsol Technologies Inc. Drilling system
EP3097164B1 (en) * 2014-01-21 2021-09-29 Baker Hughes Holdings LLC Method of improving cleanout of a wellbore
GB2537541A (en) 2014-02-07 2016-10-19 Halliburton Energy Services Inc Model for estimating drilling tool wear
GB2544026B (en) 2014-11-20 2021-01-13 Halliburton Energy Services Inc Modeling of interactions between formation and downhole drilling tool with wearflat
CA2964222A1 (en) 2014-11-20 2016-05-26 Halliburton Energy Services, Inc. Earth formation crushing model
CN104727815A (zh) * 2015-03-15 2015-06-24 河北百冠钻井设备有限公司 一种实时钻井地层修正预测方法及装置
US10963600B2 (en) * 2015-07-09 2021-03-30 Conocophillips Company Rock strength and in-situ stresses from drilling response
AU2015402206A1 (en) * 2015-07-13 2017-12-21 Landmark Graphics Corporation Underbalanced drilling through formations with varying lithologies
CA3005825A1 (en) * 2015-12-31 2017-07-06 Landmark Graphics Corporation Drilling control based on brittleness index correlation
US20220268152A1 (en) * 2021-02-22 2022-08-25 Saudi Arabian Oil Company Petro-physical property prediction
CN117420150B (zh) * 2023-12-18 2024-03-08 西安石油大学 一种基于钻井参数的分析预测系统及其预测方法

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1385625A (en) * 1972-10-10 1975-02-26 Texaco Development Corp Method and apparatus for developing a surface well-drilling log
US4064749A (en) * 1976-11-11 1977-12-27 Texaco Inc. Method and system for determining formation porosity
GB8411361D0 (en) * 1984-05-03 1984-06-06 Schlumberger Cambridge Researc Assessment of drilling conditions
US4697650A (en) * 1984-09-24 1987-10-06 Nl Industries, Inc. Method for estimating formation characteristics of the exposed bottomhole formation
US4627276A (en) * 1984-12-27 1986-12-09 Schlumberger Technology Corporation Method for measuring bit wear during drilling
US4876886A (en) * 1988-04-04 1989-10-31 Anadrill, Inc. Method for detecting drilling events from measurement while drilling sensors
US4949575A (en) * 1988-04-29 1990-08-21 Anadrill, Inc. Formation volumetric evaluation while drilling
US4833914A (en) * 1988-04-29 1989-05-30 Anadrill, Inc. Pore pressure formation evaluation while drilling
US4852399A (en) * 1988-07-13 1989-08-01 Anadrill, Inc. Method for determining drilling conditions while drilling
GB2221043B (en) * 1988-07-20 1992-08-12 Anadrill Int Sa Method of determining the porosity of an underground formation being drilled
GB9015433D0 (en) * 1990-07-13 1990-08-29 Anadrill Int Sa Method of determining the drilling conditions associated with the drilling of a formation with a drag bit

Also Published As

Publication number Publication date
MX9300087A (es) 1994-03-31
EP0551134A1 (en) 1993-07-14
US5415030A (en) 1995-05-16
NO930044L (no) 1993-07-12
AU3109593A (en) 1993-07-15

Similar Documents

Publication Publication Date Title
NO930044D0 (no) Fremgangsmaate for aa evaluere formasjoner og borekroneforhold
NO961425D0 (no) 1N-alkyl-N-arylpyrimidinaminer og derivater derav
NO931300D0 (no) System og fremgangsmaate for aa kontrollere borekronebruk og broennplan
NO934878D0 (no) Herde-aktiverte sementblandinger og fremgangsmaater
NO943763D0 (no) 4-arylamino-benzopyraner og beslektede forbindelser
NO933500D0 (no) Monteringsverktoey og relatert fremgangsmaate
DK359686A (da) Lyofiliserede emulsionsmidler og fremgangsmaade
NO905614D0 (no) Fremgangsmaate og anordning for beskyttelse av borehull-utstyr.
NO931005L (no) Fremgangsmaate og anordning for seismiske undersoekelser
NO931496L (no) Kaks-sementsammensetninger og fremgangsmaater for anvendelse derav
NO944891L (no) Fremgangsmåte og anordning for avviksboring
NO932877L (no) Fremgangsmaate og anordning for varnebehandling
NO934669D0 (no) Fremgangsmaate og anordning for sammenfoeyning
NO940209D0 (no) Fremgangsmaate og anordning for aa detektere borrspinn
IT1252088B (it) Apparecchiatura e procedimento di analisi o-fid
NO943218D0 (no) Anordning og fremgangsmåte for boring
NO930385D0 (no) Brokopling og aktuator for borestreng
DK104890A (da) Selvkorrigeret analyseudstyr og fremgangsmaade
NO933983D0 (no) Fremgangsmaate og anordning for katalytisk dehydrogeneringav hydrokarboner
NO913990L (no) Fremgangsmaate og verktoey for operasjoner nede i et borehull
NO914921D0 (no) Fremgangsmaate og anordning for dreiespyleboring av hull
NO931660D0 (no) Anordning og fremgangsmaate for autotraaloperasjon
NO934392D0 (no) Rullgardin og beslag for rullgardin
DK478589A (da) Fremgangsmaade til at isolere transposerbare elementer fra streptomyces og andre organismer
DK158019C (da) Varmeisoleret roerledning og varmeisoleret roerafsnit