NO983752D0 - FremgangsmÕte og blandinger for tetting av r°rstrenger i br°nnb¾ringer - Google Patents

FremgangsmÕte og blandinger for tetting av r°rstrenger i br°nnb¾ringer

Info

Publication number
NO983752D0
NO983752D0 NO983752A NO983752A NO983752D0 NO 983752 D0 NO983752 D0 NO 983752D0 NO 983752 A NO983752 A NO 983752A NO 983752 A NO983752 A NO 983752A NO 983752 D0 NO983752 D0 NO 983752D0
Authority
NO
Norway
Prior art keywords
wells
compositions
sealing pipe
pipe strings
strings
Prior art date
Application number
NO983752A
Other languages
English (en)
Other versions
NO983752L (no
Inventor
Jiten Chatterji
David D Onan
Roger S Cromwell
Original Assignee
Halliburton Energy Serv Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from US08/914,594 external-priority patent/US5873413A/en
Application filed by Halliburton Energy Serv Inc filed Critical Halliburton Energy Serv Inc
Publication of NO983752D0 publication Critical patent/NO983752D0/no
Publication of NO983752L publication Critical patent/NO983752L/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
    • E21B33/00—Sealing or packing boreholes or wells
    • E21B33/10—Sealing or packing boreholes or wells in the borehole
    • E21B33/13—Methods or devices for cementing, for plugging holes, crevices or the like
    • E21B33/138—Plastering the borehole wall; Injecting into the formation
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K8/00—Compositions for drilling of boreholes or wells; Compositions for treating boreholes or wells, e.g. for completion or for remedial operations
    • C09K8/42—Compositions for cementing, e.g. for cementing casings into boreholes; Compositions for plugging, e.g. for killing wells
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K8/00—Compositions for drilling of boreholes or wells; Compositions for treating boreholes or wells, e.g. for completion or for remedial operations
    • C09K8/50—Compositions for plastering borehole walls, i.e. compositions for temporary consolidation of borehole walls
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K8/00—Compositions for drilling of boreholes or wells; Compositions for treating boreholes or wells, e.g. for completion or for remedial operations
    • C09K8/50—Compositions for plastering borehole walls, i.e. compositions for temporary consolidation of borehole walls
    • C09K8/504—Compositions based on water or polar solvents
    • C09K8/506—Compositions based on water or polar solvents containing organic compounds
    • C09K8/508—Compositions based on water or polar solvents containing organic compounds macromolecular compounds
    • C09K8/5086—Compositions based on water or polar solvents containing organic compounds macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Mining & Mineral Resources (AREA)
  • Geology (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • Physics & Mathematics (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Epoxy Resins (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Sealing Material Composition (AREA)
NO983752A 1997-08-18 1998-08-17 FremgangsmÕte og blandinger for tetting av r°rstrenger i br°nnb¾ringer NO983752L (no)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/914,594 US5873413A (en) 1997-08-18 1997-08-18 Methods of modifying subterranean strata properties
US09/059,273 US5875845A (en) 1997-08-18 1998-04-13 Methods and compositions for sealing pipe strings in well bores

Publications (2)

Publication Number Publication Date
NO983752D0 true NO983752D0 (no) 1998-08-17
NO983752L NO983752L (no) 1999-02-19

Family

ID=26738565

Family Applications (1)

Application Number Title Priority Date Filing Date
NO983752A NO983752L (no) 1997-08-18 1998-08-17 FremgangsmÕte og blandinger for tetting av r°rstrenger i br°nnb¾ringer

Country Status (4)

Country Link
US (1) US6006836A (no)
EP (1) EP0898050A1 (no)
CA (1) CA2245032A1 (no)
NO (1) NO983752L (no)

Families Citing this family (61)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6124246A (en) * 1997-11-17 2000-09-26 Halliburton Energy Services, Inc. High temperature epoxy resin compositions, additives and methods
US6006835A (en) * 1998-02-17 1999-12-28 Halliburton Energy Services, Inc. Methods for sealing subterranean zones using foamed resin
US6068055A (en) 1998-06-30 2000-05-30 Halliburton Energy Services, Inc. Well sealing compositions and methods
US6059035A (en) * 1998-07-20 2000-05-09 Halliburton Energy Services, Inc. Subterranean zone sealing methods and compositions
US6098711A (en) * 1998-08-18 2000-08-08 Halliburton Energy Services, Inc. Compositions and methods for sealing pipe in well bores
US6279652B1 (en) 1998-09-23 2001-08-28 Halliburton Energy Services, Inc. Heat insulation compositions and methods
US6328106B1 (en) 1999-02-04 2001-12-11 Halliburton Energy Services, Inc. Sealing subterranean zones
US6271181B1 (en) 1999-02-04 2001-08-07 Halliburton Energy Services, Inc. Sealing subterranean zones
US6244344B1 (en) 1999-02-09 2001-06-12 Halliburton Energy Services, Inc. Methods and compositions for cementing pipe strings in well bores
US6234251B1 (en) 1999-02-22 2001-05-22 Halliburton Energy Services, Inc. Resilient well cement compositions and methods
AU2001256872A1 (en) * 2000-04-26 2001-11-07 Triangle Equipment As Packer, setting tool for a packer and method for setting a packer
US6454001B1 (en) 2000-05-12 2002-09-24 Halliburton Energy Services, Inc. Method and apparatus for plugging wells
US6321841B1 (en) 2001-02-21 2001-11-27 Halliburton Energy Services, Inc. Methods of sealing pipe strings in disposal wells
US6367549B1 (en) 2001-09-21 2002-04-09 Halliburton Energy Services, Inc. Methods and ultra-low density sealing compositions for sealing pipe in well bores
US6691780B2 (en) 2002-04-18 2004-02-17 Halliburton Energy Services, Inc. Tracking of particulate flowback in subterranean wells
US6951250B2 (en) * 2003-05-13 2005-10-04 Halliburton Energy Services, Inc. Sealant compositions and methods of using the same to isolate a subterranean zone from a disposal well
US7032667B2 (en) * 2003-09-10 2006-04-25 Halliburtonn Energy Services, Inc. Methods for enhancing the consolidation strength of resin coated particulates
US20050173116A1 (en) 2004-02-10 2005-08-11 Nguyen Philip D. Resin compositions and methods of using resin compositions to control proppant flow-back
US7156172B2 (en) 2004-03-02 2007-01-02 Halliburton Energy Services, Inc. Method for accelerating oil well construction and production processes and heating device therefor
US7211547B2 (en) 2004-03-03 2007-05-01 Halliburton Energy Services, Inc. Resin compositions and methods of using such resin compositions in subterranean applications
US6978834B1 (en) * 2004-05-26 2005-12-27 Halliburton Energy Services, Inc. Foamed and non-foamed cement compositions including silane treated amorphous silica and methods
US7299875B2 (en) 2004-06-08 2007-11-27 Halliburton Energy Services, Inc. Methods for controlling particulate migration
US7757768B2 (en) 2004-10-08 2010-07-20 Halliburton Energy Services, Inc. Method and composition for enhancing coverage and displacement of treatment fluids into subterranean formations
US7883740B2 (en) 2004-12-12 2011-02-08 Halliburton Energy Services, Inc. Low-quality particulates and methods of making and using improved low-quality particulates
US8703659B2 (en) * 2005-01-24 2014-04-22 Halliburton Energy Services, Inc. Sealant composition comprising a gel system and a reduced amount of cement for a permeable zone downhole
US7673686B2 (en) 2005-03-29 2010-03-09 Halliburton Energy Services, Inc. Method of stabilizing unconsolidated formation for sand control
US7318474B2 (en) 2005-07-11 2008-01-15 Halliburton Energy Services, Inc. Methods and compositions for controlling formation fines and reducing proppant flow-back
US7776797B2 (en) * 2006-01-23 2010-08-17 Halliburton Energy Services, Inc. Lost circulation compositions
US8132623B2 (en) 2006-01-23 2012-03-13 Halliburton Energy Services Inc. Methods of using lost circulation compositions
US7819192B2 (en) 2006-02-10 2010-10-26 Halliburton Energy Services, Inc. Consolidating agent emulsions and associated methods
US7926591B2 (en) 2006-02-10 2011-04-19 Halliburton Energy Services, Inc. Aqueous-based emulsified consolidating agents suitable for use in drill-in applications
US8613320B2 (en) * 2006-02-10 2013-12-24 Halliburton Energy Services, Inc. Compositions and applications of resins in treating subterranean formations
US7665517B2 (en) 2006-02-15 2010-02-23 Halliburton Energy Services, Inc. Methods of cleaning sand control screens and gravel packs
US20080060811A1 (en) * 2006-09-13 2008-03-13 Halliburton Energy Services, Inc. Method to control the physical interface between two or more fluids
US7934557B2 (en) 2007-02-15 2011-05-03 Halliburton Energy Services, Inc. Methods of completing wells for controlling water and particulate production
DK178243B1 (en) 2008-03-06 2015-09-28 Mærsk Olie Og Gas As Fremgangsmåde til forsegling af en ringformet åbning i et borehul
DK178742B1 (da) 2008-03-06 2016-12-19 Maersk Olie & Gas Fremgangsmåde og apparat til injicering af et eller flere behandlingsfluider nede i et borehul
DK178489B1 (da) 2008-03-13 2016-04-18 Maersk Olie & Gas Værktøj og fremgangsmåde til at aflukke åbninger eller lækager i en brøndboring
FR2940401B1 (fr) * 2008-12-24 2011-03-18 Irsn Enceinte fermee sous vide ou sous pression
US7762329B1 (en) 2009-01-27 2010-07-27 Halliburton Energy Services, Inc. Methods for servicing well bores with hardenable resin compositions
CA2861562C (en) 2012-01-18 2019-09-24 Maersk Olie Og Gas A/S Sealing fluid for setting a packer
US20130220612A1 (en) * 2012-02-24 2013-08-29 Halliburton Energy Services, Inc. Shear Bond Strength of Set Cement
GB2543436B (en) 2014-08-15 2021-07-14 Halliburton Energy Services Inc Naphthol-based epoxy resin additives for use in well cementing
WO2016053346A1 (en) * 2014-10-03 2016-04-07 Halliburton Energy Services, Inc. Delayed curing silane-based curable resin system
CA2963385C (en) 2014-12-10 2019-11-12 Halliburton Energy Services, Inc. Curable composition and resin for treatment of a subterranean formation
US10214988B2 (en) 2015-08-12 2019-02-26 Csi Technologies Llc Riserless abandonment operation using sealant and cement
CA2997422A1 (en) * 2015-09-14 2017-03-23 Saudi Arabian Oil Company Pendant epoxide polymers and methods of treating subterranean formations
US10160902B2 (en) 2015-09-14 2018-12-25 Saudi Arabian Oil Company Maleic anhydride polymers and methods of treating subterranean formations
CN109906262A (zh) 2016-11-04 2019-06-18 沙特阿拉伯石油公司 用于封堵与凝固水泥接触的流动通道的组合物和方法
US10428261B2 (en) 2017-06-08 2019-10-01 Csi Technologies Llc Resin composite with overloaded solids for well sealing applications
US10378299B2 (en) 2017-06-08 2019-08-13 Csi Technologies Llc Method of producing resin composite with required thermal and mechanical properties to form a durable well seal in applications
GB2561638B8 (en) * 2017-11-10 2020-03-11 Total E&P Danmark As Epoxy compositions for treating a region of a subterranean formation
US11168243B2 (en) 2018-08-30 2021-11-09 Saudi Arabian Oil Company Cement compositions including epoxy resin systems for preventing fluid migration
US10696888B2 (en) 2018-08-30 2020-06-30 Saudi Arabian Oil Company Lost circulation material compositions and methods of isolating a lost circulation zone of a wellbore
US11352541B2 (en) 2018-08-30 2022-06-07 Saudi Arabian Oil Company Sealing compositions and methods of sealing an annulus of a wellbore
US11332656B2 (en) 2019-12-18 2022-05-17 Saudi Arabian Oil Company LCM composition with controlled viscosity and cure time and methods of treating a lost circulation zone of a wellbore
US11370956B2 (en) 2019-12-18 2022-06-28 Saudi Arabian Oil Company Epoxy-based LCM compositions with controlled viscosity and methods of treating a lost circulation zone of a wellbore
US11193052B2 (en) 2020-02-25 2021-12-07 Saudi Arabian Oil Company Sealing compositions and methods of plugging and abandoning of a wellbore
US11236263B2 (en) 2020-02-26 2022-02-01 Saudi Arabian Oil Company Method of sand consolidation in petroleum reservoirs
US11827841B2 (en) 2021-12-23 2023-11-28 Saudi Arabian Oil Company Methods of treating lost circulation zones
US11661815B1 (en) 2022-06-06 2023-05-30 Halliburton Energy Services, Inc. Resins for repair of well integrity issues

Family Cites Families (56)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2815079A (en) * 1954-06-29 1957-12-03 Gulf Oil Corp Method of and composition for recovering circulation of drilling fluids in wells
US3082823A (en) * 1960-03-31 1963-03-26 Halliburton Co Composition and method for sealing porous formations
FR1315462A (fr) * 1962-02-19 1963-01-18 Shell Int Research Procédé de consolidation d'une masse non consolidée ou pratiquement non consolidée
US3208525A (en) * 1962-06-25 1965-09-28 Exxon Production Research Co Recompletion of wells
US3310111A (en) * 1964-02-17 1967-03-21 Dow Chemical Co Method of controlling solids in fluids from wells
GB1019122A (en) * 1964-03-26 1966-02-02 Shell Int Research Method for treating a permeable mass
US3416604A (en) * 1967-03-20 1968-12-17 Hailiburton Company Epoxy resin grouting fluid and method for stabilizing earth formations
US3467208A (en) * 1968-03-29 1969-09-16 Mobil Oil Corp Lost circulation control
US3750768A (en) * 1972-01-27 1973-08-07 Shell Oil Co Oil base drilling fluid filtrate-effected sand consolidation
US3782466A (en) * 1972-07-19 1974-01-01 Shell Oil Co Bonding casing with syntactic epoxy resin
US3976135A (en) * 1972-10-02 1976-08-24 Halliburton Company Method of forming a highly permeable solid mass in a subterranean formation
US4042032A (en) * 1973-06-07 1977-08-16 Halliburton Company Methods of consolidating incompetent subterranean formations using aqueous treating solutions
US4072194A (en) * 1973-06-18 1978-02-07 Halliburton Company Pumpable epoxy resin composition
US3960801A (en) * 1973-06-18 1976-06-01 Halliburton Company Pumpable epoxy resin composition
US3933204A (en) * 1974-10-15 1976-01-20 Shell Oil Company Plugging subterranean regions with acrylic-epoxy resin-forming emulsions
US4042031A (en) * 1975-11-13 1977-08-16 Shell Oil Company Plugging subterranean earth formations with aqueous epoxy emulsions containing fine solid particles
US4074760A (en) * 1976-11-01 1978-02-21 The Dow Chemical Company Method for forming a consolidated gravel pack
GB1550713A (en) * 1977-05-30 1979-08-15 Shell Int Research Method of treating an underground formation around a borehole
US4220566A (en) * 1978-03-21 1980-09-02 The Dow Chemical Company Aqueous based slurry containing enediol breaker and method for forming a consolidated gravel pack
US4272384A (en) * 1978-07-07 1981-06-09 The Dow Chemical Company Composition for preventing a resin system from setting up in a well bore
US4215001A (en) * 1978-10-20 1980-07-29 Halliburton Company Methods of treating subterranean well formations
US4339000A (en) * 1980-08-28 1982-07-13 Cronmiller Clifford P Method and apparatus for a bridge plug anchor assembly for a subsurface well
US4336842A (en) * 1981-01-05 1982-06-29 Graham John W Method of treating wells using resin-coated particles
US4483888A (en) * 1981-09-01 1984-11-20 Phillips Petroleum Company Carbon dioxide treatment of epoxy resin compositions
US4489785A (en) * 1983-07-19 1984-12-25 Halliburton Company Method of completing a well bore penetrating a subterranean formation
US4665988A (en) * 1986-04-04 1987-05-19 Halliburton Company Method of preparation of variable permeability fill material for use in subterranean formations
US4785884A (en) * 1986-05-23 1988-11-22 Acme Resin Corporation Consolidation of partially cured resin coated particulate material
US4741401A (en) * 1987-01-16 1988-05-03 The Dow Chemical Company Method for treating subterranean formations
US4921047A (en) * 1989-08-10 1990-05-01 Conoco Inc. Composition and method for sealing permeable subterranean formations
NO171308C (no) * 1989-08-21 1993-02-24 Borregaard Ind Anvendelse av kopolymerer som tilsetningsmiddel for sementmoertelblandinger, sementmoertelblanding samt kopolymer-dispersjon
US4972906A (en) * 1989-09-07 1990-11-27 Conoco Inc. Method for selective plugging of a zone in a well
US5090478A (en) * 1990-11-30 1992-02-25 Conoco Inc. Method for reducing water production from a gravel packed well
US5133409A (en) * 1990-12-12 1992-07-28 Halliburton Company Foamed well cementing compositions and methods
US5159980A (en) * 1991-06-27 1992-11-03 Halliburton Company Well completion and remedial methods utilizing rubber latex compositions
US5168928A (en) * 1991-08-15 1992-12-08 Halliburton Company Preparation and use of gelable silicate solutions in oil field applications
US5211234A (en) * 1992-01-30 1993-05-18 Halliburton Company Horizontal well completion methods
US5213161A (en) * 1992-02-19 1993-05-25 Halliburton Company Well cementing method using acid removable low density well cement compositions
US5428178A (en) * 1992-10-13 1995-06-27 Shell Oil Company Polyethercyclipolyols from epihalohydrins, polyhydric alcohols, and metal hydroxides or epoxy alcohols and optionally polyhydric alcohols with thermal condensation
NO176878C (no) * 1992-11-20 1995-06-14 Sinvent As Sementeringsmateriale med regulert herdetid, for anvendelse i dype, varme oljebrönner
US5325723A (en) * 1992-12-04 1994-07-05 Halliburton Company Core sample test method and apparatus
US5404950A (en) * 1992-12-22 1995-04-11 Mobil Oil Corporation Low temperature underwater epoxy system for zone isolation, remedial cementing, and casing repair
US5377757A (en) * 1992-12-22 1995-01-03 Mobil Oil Corporation Low temperature epoxy system for through tubing squeeze in profile modification, remedial cementing, and casing repair
US5314023A (en) * 1993-01-19 1994-05-24 Dartez Terry R Method for selectively treating wells with a low viscosity epoxy resin-forming composition
US5358044A (en) * 1993-05-27 1994-10-25 Shell Oil Company Drilling and cementing with blast furnace slag/soluble/insoluble alcohol
US5361842A (en) * 1993-05-27 1994-11-08 Shell Oil Company Drilling and cementing with blast furnace slag/silicate fluid
US5361841A (en) * 1993-05-27 1994-11-08 Shell Oil Company Drilling and cementing with blast furnace slag/polyalcohol fluid
US5337824A (en) * 1993-06-28 1994-08-16 Shell Oil Company Coal slag universal fluid
US5373901A (en) * 1993-07-27 1994-12-20 Halliburton Company Encapsulated breakers and method for use in treating subterranean formations
US5368102A (en) * 1993-09-09 1994-11-29 Halliburton Company Consolidatable particulate material and well treatment method
US5358051A (en) * 1993-10-22 1994-10-25 Halliburton Company Method of water control with hydroxy unsaturated carbonyls
US5335726A (en) * 1993-10-22 1994-08-09 Halliburton Company Water control
US5559086A (en) * 1993-12-13 1996-09-24 Halliburton Company Epoxy resin composition and well treatment method
US5547027A (en) * 1994-07-14 1996-08-20 Dowell, A Division Of Schlumberger Technology Corporation Low temperature, low rheology synthetic cement
US5458195A (en) * 1994-09-28 1995-10-17 Halliburton Company Cementitious compositions and methods
US5711383A (en) * 1996-04-19 1998-01-27 Halliburton Company Cementitious well drilling fluids and methods
US5873413A (en) * 1997-08-18 1999-02-23 Halliburton Energy Services, Inc. Methods of modifying subterranean strata properties

Also Published As

Publication number Publication date
US6006836A (en) 1999-12-28
EP0898050A1 (en) 1999-02-24
CA2245032A1 (en) 1999-02-18
NO983752L (no) 1999-02-19

Similar Documents

Publication Publication Date Title
NO983752D0 (no) FremgangsmÕte og blandinger for tetting av r°rstrenger i br°nnb¾ringer
NO994952D0 (no) Sementsammensetninger og fremgangsmåter for anvendelse i underjordiske brönner
NO993938D0 (no) Sammensetninger og fremgangsmÕter for forsegling av rör i borehull
NO971758D0 (no) Sementbrönn borefluider og fremgangsmåte
NO990122D0 (no) Nedihullverkt°y og fremgangsmÕte
NO20012940D0 (no) Fremgangsmåter og sammensetninger for å redusere permeabilitetene til underjordiske soner
NO20011775D0 (no) Borevæskeadditiv og fremgangsmåte derav
NO993217L (no) Broenntetningssammensetninger og fremgangsmåter
NO20000630L (no) FremgangsmÕter og sammensetninger for sementering av rørstrenger i borehull
NO982371D0 (no) FremgangsmÕte og anordning for sementering av br°nn
NO990784D0 (no) Anordninger og fremgangsmÕter til fullf°relse av en br°nnboring
NO20006695D0 (no) Fremgangsmåte og verktöy for frakturering av undergrunnsformasjoner
NO20033691D0 (no) Borehullsforgrening og fremgangsmåte for å opprette en borehullsforgrening
NO973697L (no) Fremgangsmåte for tetting av forbindelsene i flersidige brönner
NO20024593D0 (no) Fremgangsmåte og anordning for opphengning av rör i brönner
NO974983D0 (no) Plassering og sementering av fôringsrör i horisontale brönner
NO20015030D0 (no) Fremgangsmåte og nedihulls separator for bruk i en underjordisk brönn
FI954309A0 (fi) Poralaite ja porausmenetelmä
NO20010359D0 (no) Anordning og fremgangsmåte for gruspakking av åpent hull
NO20005464D0 (no) FremgangsmÕte og anordning for tetning mellom brønnforing og ventiltrekonnektor-konstruksjon
NO983751D0 (no) FremgangsmÕte for tetting av plugger i br°nnb¾ringer
NO984151D0 (no) Fluid for elektrisk brönnlogging og fremgangsmåte for å benytte dette
NO983753D0 (no) FremgangsmÕte for tetting av r°rstrenger i br°nnb¾ringer
NO983470D0 (no) FremgangsmÕte og anordning for br°nnhulltesting i uforede br°nner
NO990358L (no) Anordninger og fremgangsmåter for tetning av en broennboringsovergang

Legal Events

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