DK257586A - Fremgangsmaade og anlaeg til styret retningsboring af borehuller - Google Patents

Fremgangsmaade og anlaeg til styret retningsboring af borehuller Download PDF

Info

Publication number
DK257586A
DK257586A DK257586A DK257586A DK257586A DK 257586 A DK257586 A DK 257586A DK 257586 A DK257586 A DK 257586A DK 257586 A DK257586 A DK 257586A DK 257586 A DK257586 A DK 257586A
Authority
DK
Denmark
Prior art keywords
drilling
procedure
installation
guided
guided drilling
Prior art date
Application number
DK257586A
Other languages
English (en)
Other versions
DK257586D0 (da
Inventor
Lawrence J Leising
Original Assignee
Analyst Int Sa
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 Analyst Int Sa filed Critical Analyst Int Sa
Publication of DK257586D0 publication Critical patent/DK257586D0/da
Publication of DK257586A publication Critical patent/DK257586A/da

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
    • E21B7/00Special methods or apparatus for drilling
    • E21B7/18Drilling by liquid or gas jets, with or without entrained pellets
    • 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
    • E21B7/00Special methods or apparatus for drilling
    • E21B7/04Directional drilling
    • E21B7/06Deflecting the direction of boreholes
    • E21B7/065Deflecting the direction of boreholes using oriented fluid jets

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Earth Drilling (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
DK257586A 1985-05-31 1986-05-30 Fremgangsmaade og anlaeg til styret retningsboring af borehuller DK257586A (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/740,110 US4637479A (en) 1985-05-31 1985-05-31 Methods and apparatus for controlled directional drilling of boreholes

Publications (2)

Publication Number Publication Date
DK257586D0 DK257586D0 (da) 1986-05-30
DK257586A true DK257586A (da) 1986-12-02

Family

ID=24975085

Family Applications (1)

Application Number Title Priority Date Filing Date
DK257586A DK257586A (da) 1985-05-31 1986-05-30 Fremgangsmaade og anlaeg til styret retningsboring af borehuller

Country Status (6)

Country Link
US (1) US4637479A (da)
EP (1) EP0204474B1 (da)
CA (1) CA1250280A (da)
DE (1) DE3662802D1 (da)
DK (1) DK257586A (da)
NO (1) NO172258C (da)

Families Citing this family (127)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2190411B (en) * 1986-05-16 1990-02-21 Shell Int Research Apparatus for directional drilling.
FR2599423B1 (fr) * 1986-05-27 1989-12-29 Inst Francais Du Petrole Procede et dispositif permettant de guider un forage a travers des formations geologiques.
GB8806506D0 (en) * 1988-03-18 1988-04-20 Pilot Drilling Control Ltd Drilling apparatus
US4867255A (en) * 1988-05-20 1989-09-19 Flowmole Corporation Technique for steering a downhole hammer
US4854397A (en) * 1988-09-15 1989-08-08 Amoco Corporation System for directional drilling and related method of use
US4899835A (en) * 1989-05-08 1990-02-13 Cherrington Martin D Jet bit with onboard deviation means
US4930586A (en) * 1989-05-12 1990-06-05 Ben Wade Oakes Dickinson, III Hydraulic drilling apparatus and method
US4991667A (en) * 1989-11-17 1991-02-12 Ben Wade Oakes Dickinson, III Hydraulic drilling apparatus and method
AU8044091A (en) * 1990-07-17 1992-01-23 Camco Drilling Group Limited A drilling system and method for controlling the directions of holes being drilled or cored in subsurface formations
FR2673237B1 (fr) * 1991-02-25 1999-02-26 Elf Aquitaine Methode de surveillance automatique de l'etat vibratoire d'une garniture de forage.
US5160925C1 (en) * 1991-04-17 2001-03-06 Halliburton Co Short hop communication link for downhole mwd system
GB9113713D0 (en) * 1991-06-25 1991-08-14 Camco Drilling Group Ltd Improvements in or relating to steerable rotary drilling systems
US5265682A (en) * 1991-06-25 1993-11-30 Camco Drilling Group Limited Steerable rotary drilling systems
US5226488A (en) * 1991-07-10 1993-07-13 Bor-Mor Inc. Truck mounted boring system
JP2669209B2 (ja) * 1991-08-02 1997-10-27 株式会社大林組 回転式削孔機
US5553678A (en) * 1991-08-30 1996-09-10 Camco International Inc. Modulated bias units for steerable rotary drilling systems
GB9125778D0 (en) * 1991-12-04 1992-02-05 Anderson Charles A Downhole stabiliser
US5314030A (en) * 1992-08-12 1994-05-24 Massachusetts Institute Of Technology System for continuously guided drilling
GB2282614A (en) * 1993-10-05 1995-04-12 Anadrill Int Sa Bottom hole assembly for directional drilling
GB2284837B (en) * 1993-12-17 1997-11-12 Anadrill Int Sa Directional drilling method and apparatus
US5449046A (en) * 1993-12-23 1995-09-12 Electric Power Research Institute, Inc. Earth boring tool with continuous rotation impulsed steering
US5513713A (en) * 1994-01-25 1996-05-07 The United States Of America As Represented By The Secretary Of The Navy Steerable drillhead
GB9411228D0 (en) * 1994-06-04 1994-07-27 Camco Drilling Group Ltd A modulated bias unit for rotary drilling
US5421420A (en) * 1994-06-07 1995-06-06 Schlumberger Technology Corporation Downhole weight-on-bit control for directional drilling
US5484029A (en) * 1994-08-05 1996-01-16 Schlumberger Technology Corporation Steerable drilling tool and system
US5617926A (en) * 1994-08-05 1997-04-08 Schlumberger Technology Corporation Steerable drilling tool and system
US5483061A (en) 1994-09-07 1996-01-09 Schlumberger Technology Corporation Gamma ray scintillation detector apparatus and method for reducing shock induced noise
US5542482A (en) * 1994-11-01 1996-08-06 Schlumberger Technology Corporation Articulated directional drilling motor assembly
US5727641A (en) * 1994-11-01 1998-03-17 Schlumberger Technology Corporation Articulated directional drilling motor assembly
US5520256A (en) * 1994-11-01 1996-05-28 Schlumberger Technology Corporation Articulated directional drilling motor assembly
GB9503830D0 (en) * 1995-02-25 1995-04-19 Camco Drilling Group Ltd "Improvements in or relating to steerable rotary drilling systems"
GB9517378D0 (en) * 1995-08-24 1995-10-25 Sofitech Nv Hydraulic jetting system
GB9521972D0 (en) * 1995-10-26 1996-01-03 Camco Drilling Group Ltd A drilling assembly for drilling holes in subsurface formations
US5635711A (en) * 1996-04-25 1997-06-03 Schlumberger Technology Corporation Apparatus and method for the suppression of microphonic noise in proportional counters for borehole logging-while-drilling
DE19607365C5 (de) * 1996-02-27 2004-07-08 Tracto-Technik Paul Schmidt Spezialmaschinen Verfahren zum Lenken eines Erdbohrgeräts und ein lenkbares Gerät zum Herstellen einer Erdbohrung
AU6844096A (en) * 1996-03-04 1997-09-22 Vermeer Manufacturing Company Directional boring
DE19620401C2 (de) * 1996-05-21 1998-06-10 Tracto Technik Lenkbare Bohrvorrichtung
AUPO062296A0 (en) * 1996-06-25 1996-07-18 Gray, Ian A system for directional control of drilling
US5880680A (en) * 1996-12-06 1999-03-09 The Charles Machine Works, Inc. Apparatus and method for determining boring direction when boring underground
US20020043404A1 (en) * 1997-06-06 2002-04-18 Robert Trueman Erectable arm assembly for use in boreholes
US6092610A (en) * 1998-02-05 2000-07-25 Schlumberger Technology Corporation Actively controlled rotary steerable system and method for drilling wells
US6158529A (en) * 1998-12-11 2000-12-12 Schlumberger Technology Corporation Rotary steerable well drilling system utilizing sliding sleeve
US6470974B1 (en) 1999-04-14 2002-10-29 Western Well Tool, Inc. Three-dimensional steering tool for controlled downhole extended-reach directional drilling
US6467557B1 (en) 1998-12-18 2002-10-22 Western Well Tool, Inc. Long reach rotary drilling assembly
US7311148B2 (en) 1999-02-25 2007-12-25 Weatherford/Lamb, Inc. Methods and apparatus for wellbore construction and completion
US6109372A (en) * 1999-03-15 2000-08-29 Schlumberger Technology Corporation Rotary steerable well drilling system utilizing hydraulic servo-loop
US6257356B1 (en) * 1999-10-06 2001-07-10 Aps Technology, Inc. Magnetorheological fluid apparatus, especially adapted for use in a steerable drill string, and a method of using same
CA2359073A1 (en) 1999-11-10 2001-05-17 Schlumberger Holdings Limited Control method for use with a steerable drilling system
US7136795B2 (en) 1999-11-10 2006-11-14 Schlumberger Technology Corporation Control method for use with a steerable drilling system
US6491115B2 (en) 2000-03-15 2002-12-10 Vermeer Manufacturing Company Directional drilling machine and method of directional drilling
US6357537B1 (en) 2000-03-15 2002-03-19 Vermeer Manufacturing Company Directional drilling machine and method of directional drilling
US6530439B2 (en) * 2000-04-06 2003-03-11 Henry B. Mazorow Flexible hose with thrusters for horizontal well drilling
US7334650B2 (en) 2000-04-13 2008-02-26 Weatherford/Lamb, Inc. Apparatus and methods for drilling a wellbore using casing
US6648083B2 (en) 2000-11-02 2003-11-18 Schlumberger Technology Corporation Method and apparatus for measuring mud and formation properties downhole
FR2819850B1 (fr) * 2001-01-22 2003-12-19 Cie Du Sol Outil de forage a jet de liquide sous pression
US6552334B2 (en) 2001-05-02 2003-04-22 Schlumberger Technology Corporation Wellbore caliper measurement method using measurements from a gamma-gamma density
US6768106B2 (en) 2001-09-21 2004-07-27 Schlumberger Technology Corporation Method of kick detection and cuttings bed buildup detection using a drilling tool
US20030127252A1 (en) * 2001-12-19 2003-07-10 Geoff Downton Motor Driven Hybrid Rotary Steerable System
US6827159B2 (en) 2002-02-08 2004-12-07 Hard Rock Drilling & Fabrication, L.L.C. Steerable horizontal subterranean drill bit having an offset drilling fluid seal
US6810972B2 (en) 2002-02-08 2004-11-02 Hard Rock Drilling & Fabrication, L.L.C. Steerable horizontal subterranean drill bit having a one bolt attachment system
US6814168B2 (en) 2002-02-08 2004-11-09 Hard Rock Drilling & Fabrication, L.L.C. Steerable horizontal subterranean drill bit having elevated wear protector receptacles
US6810973B2 (en) 2002-02-08 2004-11-02 Hard Rock Drilling & Fabrication, L.L.C. Steerable horizontal subterranean drill bit having offset cutting tooth paths
US6810971B1 (en) 2002-02-08 2004-11-02 Hard Rock Drilling & Fabrication, L.L.C. Steerable horizontal subterranean drill bit
WO2003096075A1 (en) 2002-05-13 2003-11-20 Camco International (Uk) Limited Recalibration of downhole sensors
US20040108138A1 (en) * 2002-08-21 2004-06-10 Iain Cooper Hydraulic Optimization of Drilling Fluids in Borehole Drilling
AU2002952176A0 (en) * 2002-10-18 2002-10-31 Cmte Development Limited Drill head steering
AU2004256237B2 (en) * 2003-07-09 2007-08-23 Shell Internationale Research Maatschappij B.V. Tool for excavating an object
WO2005005765A1 (en) * 2003-07-09 2005-01-20 Shell Internationale Research Maatschappij B.V. Tool for excavating an object
AR045022A1 (es) * 2003-07-09 2005-10-12 Shell Int Research Sistema y metodo para perforar un objeto
CN100545412C (zh) * 2003-10-29 2009-09-30 国际壳牌研究有限公司 流体喷射钻具
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
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
US7279677B2 (en) 2005-08-22 2007-10-09 Schlumberger Technology Corporation Measuring wellbore diameter with an LWD instrument using compton and photoelectric effects
US8528664B2 (en) 2005-11-21 2013-09-10 Schlumberger Technology Corporation Downhole mechanism
US7571780B2 (en) 2006-03-24 2009-08-11 Hall David R Jack element for a drill bit
US7464772B2 (en) * 2005-11-21 2008-12-16 Hall David R Downhole pressure pulse activated by jack element
US8297375B2 (en) 2005-11-21 2012-10-30 Schlumberger Technology Corporation Downhole turbine
US7730972B2 (en) * 2005-11-21 2010-06-08 Schlumberger Technology Corporation Downhole turbine
US8316964B2 (en) * 2006-03-23 2012-11-27 Schlumberger Technology Corporation Drill bit transducer device
US7503405B2 (en) * 2005-11-21 2009-03-17 Hall David R Rotary valve for steering a drill string
US7360610B2 (en) * 2005-11-21 2008-04-22 Hall David R Drill bit assembly for directional drilling
US8522897B2 (en) * 2005-11-21 2013-09-03 Schlumberger Technology Corporation Lead the bit rotary steerable tool
US8267196B2 (en) * 2005-11-21 2012-09-18 Schlumberger Technology Corporation Flow guide actuation
US8360174B2 (en) * 2006-03-23 2013-01-29 Schlumberger Technology Corporation Lead the bit rotary steerable tool
US8225883B2 (en) * 2005-11-21 2012-07-24 Schlumberger Technology Corporation Downhole percussive tool with alternating pressure differentials
US7753144B2 (en) 2005-11-21 2010-07-13 Schlumberger Technology Corporation Drill bit with a retained jack element
US8297378B2 (en) * 2005-11-21 2012-10-30 Schlumberger Technology Corporation Turbine driven hammer that oscillates at a constant frequency
US7549489B2 (en) 2006-03-23 2009-06-23 Hall David R Jack element with a stop-off
US8011457B2 (en) 2006-03-23 2011-09-06 Schlumberger Technology Corporation Downhole hammer assembly
US8590636B2 (en) * 2006-04-28 2013-11-26 Schlumberger Technology Corporation Rotary steerable drilling system
US20080023229A1 (en) * 2006-05-16 2008-01-31 Schlumberger Technology Corporation Tri stable actuator apparatus and method
US7954401B2 (en) * 2006-10-27 2011-06-07 Schlumberger Technology Corporation Method of assembling a drill bit with a jack element
US7866416B2 (en) 2007-06-04 2011-01-11 Schlumberger Technology Corporation Clutch for a jack element
US20100163308A1 (en) 2008-12-29 2010-07-01 Precision Energy Services, Inc. Directional drilling control using periodic perturbation of the drill bit
US7967083B2 (en) * 2007-09-06 2011-06-28 Schlumberger Technology Corporation Sensor for determining a position of a jack element
US7721826B2 (en) * 2007-09-06 2010-05-25 Schlumberger Technology Corporation Downhole jack assembly sensor
US20090133931A1 (en) * 2007-11-27 2009-05-28 Schlumberger Technology Corporation Method and apparatus for hydraulic steering of downhole rotary drilling systems
GB0811016D0 (en) * 2008-06-17 2008-07-23 Smart Stabilizer Systems Ltd Steering component and steering assembly
US8186459B1 (en) 2008-06-23 2012-05-29 Horizontal Expansion Tech, Llc Flexible hose with thrusters and shut-off valve for horizontal well drilling
US20100163307A1 (en) * 2008-12-31 2010-07-01 Baker Hughes Incorporated Drill Bits With a Fluid Cushion For Reduced Friction and Methods of Making and Using Same
US9976360B2 (en) 2009-03-05 2018-05-22 Aps Technology, Inc. System and method for damping vibration in a drill string using a magnetorheological damper
US8701799B2 (en) 2009-04-29 2014-04-22 Schlumberger Technology Corporation Drill bit cutter pocket restitution
CA2671171C (en) * 2009-07-06 2017-12-12 Northbasin Energy Services Inc. Drill bit with a flow interrupter
US8469104B2 (en) * 2009-09-09 2013-06-25 Schlumberger Technology Corporation Valves, bottom hole assemblies, and method of selectively actuating a motor
US20130008723A1 (en) * 2010-03-15 2013-01-10 Vermeer Manufacturing Company Drilling apparatus with shutter
WO2011148285A2 (en) 2010-05-26 2011-12-01 Schlumberger Canada Limited Mine dewatering system and method
WO2012084934A1 (en) 2010-12-22 2012-06-28 Shell Internationale Research Maatschappij B.V. Directional drilling
US8376067B2 (en) * 2010-12-23 2013-02-19 Schlumberger Technology Corporation System and method employing a rotational valve to control steering in a rotary steerable system
US8672056B2 (en) * 2010-12-23 2014-03-18 Schlumberger Technology Corporation System and method for controlling steering in a rotary steerable system
US9121223B2 (en) * 2012-07-11 2015-09-01 Schlumberger Technology Corporation Drilling system with flow control valve
US9133950B2 (en) * 2012-11-07 2015-09-15 Rime Downhole Technologies, Llc Rotary servo pulser and method of using the same
CN105164361B (zh) * 2013-04-29 2018-04-24 国际壳牌研究有限公司 插入件和用于定向钻井的方法
US10100627B2 (en) 2013-04-29 2018-10-16 Shell Oil Company Method and system for directional drilling
CN105164367B (zh) 2013-04-29 2018-12-14 国际壳牌研究有限公司 用于定向钻井的方法和系统
US20150337598A1 (en) * 2014-05-25 2015-11-26 Schlumberger Technology Corporation Pressure Booster for Rotary Steerable System Tool
US10316598B2 (en) * 2014-07-07 2019-06-11 Schlumberger Technology Corporation Valve system for distributing actuating fluid
EP3034777A1 (en) 2014-12-18 2016-06-22 Shell Internationale Research Maatschappij B.V. System and method for expanding a tubular element with swellable coating
EP3034778A1 (en) 2014-12-18 2016-06-22 Shell Internationale Research Maatschappij B.V. System and method for expanding a tubular element
EP3034189A1 (en) 2014-12-18 2016-06-22 Shell Internationale Research Maatschappij B.V. System and method for expanding a tubular element
BR112019004918A2 (pt) * 2016-10-19 2019-06-04 Halliburton Energy Services Inc válvula rotativa, e, método para direcionar uma broca de perfuração.
WO2019072836A1 (en) * 2017-10-12 2019-04-18 Shell Internationale Research Maatschappij B.V. ROTARY ORIENTABLE DRILLING SYSTEM, DRILL ROD CONNECT AND METHOD OF OPERATING SUCH A SYSTEM
NL2024001B1 (en) 2019-10-11 2021-06-17 Stichting Canopus Intellectueel Eigendom Method and system for directional drilling
GB2605358B (en) * 2021-03-03 2023-08-16 Enteq Tech Plc Cartridge for a rotary drill bit
US20220282571A1 (en) 2021-03-02 2022-09-08 Infinity Drilling Technologies, LLC Compact rotary steerable system
CN114159709B (zh) * 2021-12-10 2023-01-31 江苏和信石油机械有限公司 一种排浆高度调节式钻井救援装置
CN114165167B (zh) * 2021-12-10 2023-03-28 江苏和信石油机械有限公司 一种一体驱动式新型救援钻杆
GB2621111A (en) * 2022-07-21 2024-02-07 Enteq Tech Plc A subassembly for a directional drilling system

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2075064A (en) * 1936-05-26 1937-03-30 James H Schumacher Direction control mechanism for well drilling tools
US2142559A (en) * 1937-11-24 1939-01-03 Lane Wells Co Orienting device
US2873092A (en) * 1957-11-14 1959-02-10 Roy P Dwyer Jet deflection method of deviating a bore hole
US2956781A (en) * 1958-02-17 1960-10-18 Eastman Oil Well Survey Co Deflecting tool
US3309565A (en) * 1959-12-14 1967-03-14 Mc Graw Edison Co Light output of fluorescent lamps automatically held constant by means of peltier type coolers
US3313360A (en) * 1965-01-11 1967-04-11 Eastman Oil Well Survey Hydraulically actuated orienting device
US3365007A (en) * 1965-10-24 1968-01-23 Wilson Supply Co Directional drilling tool and method
US3360057A (en) * 1965-12-06 1967-12-26 Edwin A Anderson Fluid controlled directional bit and its method of use
US3457999A (en) * 1967-08-31 1969-07-29 Intern Systems & Controls Corp Fluid actuated directional drilling sub
US3488765A (en) * 1967-12-21 1970-01-06 Edwin A Anderson Method and arrangement for selectively controlling fluid discharge from a drill bit on the lower end of a drill string
US3593810A (en) * 1969-10-13 1971-07-20 Schlumberger Technology Corp Methods and apparatus for directional drilling
US3693142A (en) * 1969-11-21 1972-09-19 Jack W Jones Borehole orientation tool
US3599733A (en) * 1969-12-15 1971-08-17 R F Varley Co Inc Method for directional drilling with a jetting bit
US3746108A (en) * 1971-02-25 1973-07-17 G Hall Focus nozzle directional bit
US3764970A (en) * 1972-06-15 1973-10-09 Schlumberger Technology Corp Well bore data-transmission apparatus with debris clearing apparatus
US4307786A (en) * 1978-07-27 1981-12-29 Evans Robert F Borehole angle control by gage corner removal effects from hydraulic fluid jet
US4351116A (en) * 1980-09-12 1982-09-28 Bj-Hughes Inc. Apparatus for making multiple orientation measurements in a drill string
US4416339A (en) * 1982-01-21 1983-11-22 Baker Royce E Bit guidance device and method

Also Published As

Publication number Publication date
NO862062L (no) 1986-12-01
EP0204474A1 (en) 1986-12-10
EP0204474B1 (en) 1989-04-12
NO172258C (no) 1993-06-23
DK257586D0 (da) 1986-05-30
CA1250280A (en) 1989-02-21
NO172258B (no) 1993-03-15
DE3662802D1 (en) 1989-05-18
US4637479A (en) 1987-01-20

Similar Documents

Publication Publication Date Title
DK257586A (da) Fremgangsmaade og anlaeg til styret retningsboring af borehuller
DK539887A (da) Fremgangsmaade og anlaeg til flerpolet akustisk logging
DK517285D0 (da) Fremgangsmaade og borerig til boring af borehuller
DK345486A (da) Engangskapillarpipetteindretning med forud fastlagt rumfang og fremgangsmaade til udtagning af en vaeskepraeve til praevning
DK313086A (da) Phenoxyalkylisoxazol- eller -furanforbindelse og fremgangsmaade til fremstilling deraf
DK51286A (da) Desoxyadenosinphosphatforbindelser og fremgangsmaade til fremstilling afdisse
DK338885A (da) Inddrivningsapparat til soem og lignende fastgoerelseselementer
DK249286D0 (da) Anlaeg og fremgangsmaade til forsat sproejtestoebning
DK408685A (da) Daek og fremgangsmaade til montering af daek
ATA54186A (de) Bohrvorrichtung
DK268186D0 (da) Fremgangsmaade til fremstilling af isatinforbindelser
DK3187D0 (da) Fremgangsmaade og anordning til opsaetning af en installationskanal
DK443886D0 (da) Fremgangsmaade og anlaeg til beklaedning af draenroer
NO165600C (no) Elektrolysoer med diafragma-elektrode-sandwich-anordning og herfor egnet montasjeinnretning.
DK37686A (da) Fremgangsmaade til formindskelse af reaktiviteten og til forbedring af stroemmeforholdet af phosphorpentoxid
DK58086A (da) Rektalt indgiftsmiddel til calcitoniner
DK123784D0 (da) Fremgangsmaade og indretning til montering af underjordiske markoerer
DK156737C (da) Fremgangsmaade til opbygning og demontering af konstruktionsdele
NO864183D0 (no) Byggesystem og blokker for dette.
NO873287D0 (no) Fremgangsmaate og utstyr for fastgjoering.
DK67684D0 (da) Murbinder og fremgangsmade til isaetning af samme
DK230286D0 (da) Phosphinguldforbindelser og fremgangsmaade til fremstilling deraf
NO170298C (no) Fremgangsmaate og anordning for dypboring
DK628384D0 (da) Fremgangsmaade og anlaeg til indfoedning af halm
NO872419D0 (no) Fremgangsmaate og system for styrt boring.

Legal Events

Date Code Title Description
A0 Application filed
AHB Application shelved due to non-payment