ATE277142T1 - Aphronhaltige bohr- und aufwältigungsflüssigkeiten mit verbesserter stabilität - Google Patents

Aphronhaltige bohr- und aufwältigungsflüssigkeiten mit verbesserter stabilität

Info

Publication number
ATE277142T1
ATE277142T1 AT99935510T AT99935510T ATE277142T1 AT E277142 T1 ATE277142 T1 AT E277142T1 AT 99935510 T AT99935510 T AT 99935510T AT 99935510 T AT99935510 T AT 99935510T AT E277142 T1 ATE277142 T1 AT E277142T1
Authority
AT
Austria
Prior art keywords
workflowing
aphrone
fluids
improved stability
containing drilling
Prior art date
Application number
AT99935510T
Other languages
English (en)
Inventor
Tommy F Brookey
Original Assignee
Actisystems 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 Actisystems Inc filed Critical Actisystems Inc
Application granted granted Critical
Publication of ATE277142T1 publication Critical patent/ATE277142T1/de

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
    • E21B21/00—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
    • E21B21/003—Means for stopping loss of drilling fluid
    • 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
    • C09K8/02—Well-drilling compositions
    • C09K8/04—Aqueous well-drilling compositions
    • C09K8/06—Clay-free compositions
    • C09K8/08—Clay-free compositions containing natural organic compounds, e.g. polysaccharides, or derivatives thereof
    • 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
    • C09K8/02—Well-drilling compositions
    • C09K8/04—Aqueous well-drilling compositions
    • C09K8/14—Clay-containing compositions
    • C09K8/18—Clay-containing compositions characterised by the organic compounds
    • C09K8/20—Natural organic compounds or derivatives thereof, e.g. polysaccharides or lignin derivatives
    • C09K8/206—Derivatives of other natural products, e.g. cellulose, starch, sugars
    • 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
    • C09K8/56—Compositions for consolidating loose sand or the like around wells without excessively decreasing the permeability thereof
    • C09K8/57—Compositions based on water or polar solvents
    • C09K8/575—Compositions based on water or polar solvents containing organic compounds
    • C09K8/5751—Macromolecular compounds
    • C09K8/5758—Macromolecular compounds of natural origin, e.g. polysaccharides, cellulose
    • 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
    • E21B31/00—Fishing for or freeing objects in boreholes or wells
    • E21B31/035—Fishing for or freeing objects in boreholes or wells controlling differential pipe sticking
    • 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
    • C09K2208/00—Aspects relating to compositions of drilling or well treatment fluids
    • C09K2208/02—Spotting, i.e. using additives for releasing a stuck drill

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Organic Chemistry (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Materials Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Dispersion Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Marine Sciences & Fisheries (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Emulsifying, Dispersing, Foam-Producing Or Wetting Agents (AREA)
  • Detergent Compositions (AREA)
  • Lubricants (AREA)
  • Saccharide Compounds (AREA)
  • Earth Drilling (AREA)
  • Auxiliary Devices For Machine Tools (AREA)
  • Drilling And Boring (AREA)
  • Processing Of Stones Or Stones Resemblance Materials (AREA)
AT99935510T 1998-07-24 1999-07-12 Aphronhaltige bohr- und aufwältigungsflüssigkeiten mit verbesserter stabilität ATE277142T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/121,713 US6123159A (en) 1997-02-13 1998-07-24 Aphron-containing well drilling and servicing fluids of enhanced stability
PCT/US1999/015725 WO2000005323A1 (en) 1998-07-24 1999-07-12 Aphron-containing well drilling and servicing fluids of enhanced stability

Publications (1)

Publication Number Publication Date
ATE277142T1 true ATE277142T1 (de) 2004-10-15

Family

ID=22398365

Family Applications (1)

Application Number Title Priority Date Filing Date
AT99935510T ATE277142T1 (de) 1998-07-24 1999-07-12 Aphronhaltige bohr- und aufwältigungsflüssigkeiten mit verbesserter stabilität

Country Status (14)

Country Link
US (2) US6123159A (de)
EP (1) EP1114116B1 (de)
AR (1) AR023316A1 (de)
AT (1) ATE277142T1 (de)
AU (1) AU5097399A (de)
BR (1) BR9912415B1 (de)
CA (1) CA2338510C (de)
DE (1) DE69920488D1 (de)
EA (1) EA002832B1 (de)
ID (1) ID28130A (de)
MX (1) MXPA01000840A (de)
NO (1) NO328671B1 (de)
OA (1) OA11588A (de)
WO (1) WO2000005323A1 (de)

Families Citing this family (94)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6015535A (en) * 1995-04-06 2000-01-18 Cabot Corporation Process for producing purified cesium compound from cesium alum
US5881826A (en) * 1997-02-13 1999-03-16 Actisystems, Inc. Aphron-containing well drilling and servicing fluids
US6156708A (en) * 1997-02-13 2000-12-05 Actisystems, Inc. Aphron-containing oil base fluids and method of drilling a well therewith
US6258755B1 (en) 1998-12-28 2001-07-10 Venture Innovations, Inc. Chitosan-containing well drilling and servicing fluids
EP1161510B1 (de) * 1999-02-09 2004-10-27 Masi Technologies L.L.C. Aphronhaltige bohr- und aufwältigungsflüssigkeit
WO2001007860A2 (en) 1999-07-22 2001-02-01 Schlumberger Technology Corporation Components and methods for use with explosives
US6649571B1 (en) 2000-04-04 2003-11-18 Masi Technologies, L.L.C. Method of generating gas bubbles in oleaginous liquids
MY128297A (en) * 2000-04-19 2007-01-31 Shell Int Research Drilling mud
JP2003159026A (ja) * 2001-11-22 2003-06-03 Ajinomoto Co Inc 安定なアスパルテームスラリーの製造方法及び判定方法
US7148183B2 (en) * 2001-12-14 2006-12-12 Baker Hughes Incorporated Surfactant-polymer composition for substantially solid-free water based drilling, drill-in, and completion fluids
US6926081B2 (en) * 2002-02-25 2005-08-09 Halliburton Energy Services, Inc. Methods of discovering and correcting subterranean formation integrity problems during drilling
US6739414B2 (en) * 2002-04-30 2004-05-25 Masi Technologies, L.L.C. Compositions and methods for sealing formations
US7199083B2 (en) * 2002-12-06 2007-04-03 Self Generating Foam Incoporated Self-generating foamed drilling fluids
US7482309B2 (en) 2003-11-24 2009-01-27 Halliburton Energy Services, Inc. Methods of drilling wellbores using variable density fluids comprising coated elastic particles
US7037881B2 (en) * 2003-02-03 2006-05-02 Growcock Frederick B Stabilized colloidal and colloidal-like systems
CA2515060C (en) * 2003-02-03 2009-11-03 Masi Technologies L.L.C. Stabilized colloidal and colloidal-like systems
US7866394B2 (en) 2003-02-27 2011-01-11 Halliburton Energy Services Inc. Compositions and methods of cementing in subterranean formations using a swelling agent to inhibit the influx of water into a cement slurry
NO20041860L (no) 2003-05-06 2004-11-08 Masi Technologies Llc Kolloidale og kolloidallignende systemer i vandige leirbaserte fluider
US6945329B2 (en) * 2003-05-15 2005-09-20 Halliburton Energy Services, Inc. Methods and compositions for placing particulate materials in subterranean zones
US6994173B2 (en) * 2003-05-19 2006-02-07 Act Technologies, Inc. Method of drilling a borehole
US8541051B2 (en) 2003-08-14 2013-09-24 Halliburton Energy Services, Inc. On-the fly coating of acid-releasing degradable material onto a particulate
US7081437B2 (en) * 2003-08-25 2006-07-25 M-I L.L.C. Environmentally compatible hydrocarbon blend drilling fluid
US7829507B2 (en) 2003-09-17 2010-11-09 Halliburton Energy Services Inc. Subterranean treatment fluids comprising a degradable bridging agent and methods of treating subterranean formations
US7674753B2 (en) 2003-09-17 2010-03-09 Halliburton Energy Services, Inc. Treatment fluids and methods of forming degradable filter cakes comprising aliphatic polyester and their use in subterranean formations
US7833944B2 (en) 2003-09-17 2010-11-16 Halliburton Energy Services, Inc. Methods and compositions using crosslinked aliphatic polyesters in well bore applications
US7159655B2 (en) * 2003-09-25 2007-01-09 Bj Services Company Method for inhibiting or controlling inorganic scale formations
US7398824B1 (en) 2003-09-25 2008-07-15 Bj Services Company Method for inhibiting or controlling inorganic scale formations with copolymers of acrylamide and quaternary ammonium salts
US7419223B2 (en) 2003-11-26 2008-09-02 Cdx Gas, Llc System and method for enhancing permeability of a subterranean zone at a horizontal well bore
US7195068B2 (en) 2003-12-15 2007-03-27 Halliburton Energy Services, Inc. Filter cake degradation compositions and methods of use in subterranean operations
WO2005097937A1 (en) * 2004-04-05 2005-10-20 Masi Technologies, L.L.C. Stabilized colloidal and colloidal-like systems
WO2007145734A2 (en) * 2006-06-07 2007-12-21 Exxonmobil Upstream Research Company Compressible objects having partial foam interiors combined with a drilling fluid to form a variable density drilling mud
US8088716B2 (en) 2004-06-17 2012-01-03 Exxonmobil Upstream Research Company Compressible objects having a predetermined internal pressure combined with a drilling fluid to form a variable density drilling mud
US20050284641A1 (en) * 2004-06-24 2005-12-29 Baker Hughes Incorporated Controlled variable density fluid for wellbore operations
US7825073B2 (en) * 2004-07-13 2010-11-02 Halliburton Energy Services, Inc. Treatment fluids comprising clarified xanthan and associated methods
US7621334B2 (en) 2005-04-29 2009-11-24 Halliburton Energy Services, Inc. Acidic treatment fluids comprising scleroglucan and/or diutan and associated methods
US7727936B2 (en) * 2004-07-13 2010-06-01 Halliburton Energy Services, Inc. Acidic treatment fluids comprising xanthan and associated methods
US7727937B2 (en) 2004-07-13 2010-06-01 Halliburton Energy Services, Inc. Acidic treatment fluids comprising xanthan and associated methods
US7547665B2 (en) 2005-04-29 2009-06-16 Halliburton Energy Services, Inc. Acidic treatment fluids comprising scleroglucan and/or diutan and associated methods
US20060014648A1 (en) * 2004-07-13 2006-01-19 Milson Shane L Brine-based viscosified treatment fluids and associated methods
US7475728B2 (en) 2004-07-23 2009-01-13 Halliburton Energy Services, Inc. Treatment fluids and methods of use in subterranean formations
US7413017B2 (en) 2004-09-24 2008-08-19 Halliburton Energy Services, Inc. Methods and compositions for inducing tip screenouts in frac-packing operations
US7642223B2 (en) 2004-10-18 2010-01-05 Halliburton Energy Services, Inc. Methods of generating a gas in a plugging composition to improve its sealing ability in a downhole permeable zone
US7690429B2 (en) * 2004-10-21 2010-04-06 Halliburton Energy Services, Inc. Methods of using a swelling agent in a wellbore
US7553800B2 (en) 2004-11-17 2009-06-30 Halliburton Energy Services, Inc. In-situ filter cake degradation compositions and methods of use in subterranean formations
US7648946B2 (en) 2004-11-17 2010-01-19 Halliburton Energy Services, Inc. Methods of degrading filter cakes in subterranean formations
US7353877B2 (en) 2004-12-21 2008-04-08 Cdx Gas, Llc Accessing subterranean resources by formation collapse
US20080009423A1 (en) 2005-01-31 2008-01-10 Halliburton Energy Services, Inc. Self-degrading fibers and associated methods of use and manufacture
US7497258B2 (en) 2005-02-01 2009-03-03 Halliburton Energy Services, Inc. Methods of isolating zones in subterranean formations using self-degrading cement compositions
US7353876B2 (en) 2005-02-01 2008-04-08 Halliburton Energy Services, Inc. Self-degrading cement compositions and methods of using self-degrading cement compositions in subterranean formations
US8598092B2 (en) 2005-02-02 2013-12-03 Halliburton Energy Services, Inc. Methods of preparing degradable materials and methods of use in subterranean formations
US7506689B2 (en) 2005-02-22 2009-03-24 Halliburton Energy Services, Inc. Fracturing fluids comprising degradable diverting agents and methods of use in subterranean formations
US7891424B2 (en) 2005-03-25 2011-02-22 Halliburton Energy Services Inc. Methods of delivering material downhole
US7662753B2 (en) 2005-05-12 2010-02-16 Halliburton Energy Services, Inc. Degradable surfactants and methods for use
US7870903B2 (en) 2005-07-13 2011-01-18 Halliburton Energy Services Inc. Inverse emulsion polymers as lost circulation material
US7484564B2 (en) 2005-08-16 2009-02-03 Halliburton Energy Services, Inc. Delayed tackifying compositions and associated methods involving controlling particulate migration
US7595280B2 (en) 2005-08-16 2009-09-29 Halliburton Energy Services, Inc. Delayed tackifying compositions and associated methods involving controlling particulate migration
US7713916B2 (en) 2005-09-22 2010-05-11 Halliburton Energy Services, Inc. Orthoester-based surfactants and associated methods
US7461697B2 (en) 2005-11-21 2008-12-09 Halliburton Energy Services, Inc. Methods of modifying particulate surfaces to affect acidic sites thereon
US7431088B2 (en) 2006-01-20 2008-10-07 Halliburton Energy Services, Inc. Methods of controlled acidization in a wellbore
US7608566B2 (en) 2006-03-30 2009-10-27 Halliburton Energy Services, Inc. Degradable particulates as friction reducers for the flow of solid particulates and associated methods of use
EP2041235B1 (de) 2006-06-07 2013-02-13 ExxonMobil Upstream Research Company Kompressierbare gegenstände in kombination mit einer bohrflüssigkeit zur bildung eines bohrschlamms variabler dichte
EP2035651A4 (de) 2006-06-07 2009-08-05 Exxonmobil Upstream Res Co Verfahren zur herstellung von komprimierbaren objekten für eine bohrspülung variabler dichte
US8329621B2 (en) * 2006-07-25 2012-12-11 Halliburton Energy Services, Inc. Degradable particulates and associated methods
MX369001B (es) 2006-08-04 2019-10-24 Basf Enzymes Llc Glucanasas, acidos nucleicos que las codifican, y metodos para hacerlas y usarlas.
US7455112B2 (en) 2006-09-29 2008-11-25 Halliburton Energy Services, Inc. Methods and compositions relating to the control of the rates of acid-generating compounds in acidizing operations
US7686080B2 (en) 2006-11-09 2010-03-30 Halliburton Energy Services, Inc. Acid-generating fluid loss control additives and associated methods
PL2069490T5 (pl) 2006-12-21 2018-09-28 Basf Enzymes Llc Amylazy i glukoamylazy, kwasy nukleinowe kodujące te związki oraz sposoby wytwarzania tych związków oraz stosowania ich
US8220548B2 (en) 2007-01-12 2012-07-17 Halliburton Energy Services Inc. Surfactant wash treatment fluids and associated methods
RU2322472C1 (ru) * 2007-02-19 2008-04-20 ООО "РН-УфаНИПИнефть" Технологическая жидкость для глушения нефтегазовых скважин и способ ее приготовления
US9140707B2 (en) * 2007-08-10 2015-09-22 University Of Louisville Research Foundation, Inc. Sensors and methods for detecting diseases caused by a single point mutation
US20090140444A1 (en) * 2007-11-29 2009-06-04 Total Separation Solutions, Llc Compressed gas system useful for producing light weight drilling fluids
US8006760B2 (en) 2008-04-10 2011-08-30 Halliburton Energy Services, Inc. Clean fluid systems for partial monolayer fracturing
US7906464B2 (en) 2008-05-13 2011-03-15 Halliburton Energy Services, Inc. Compositions and methods for the removal of oil-based filtercakes
US7833943B2 (en) 2008-09-26 2010-11-16 Halliburton Energy Services Inc. Microemulsifiers and methods of making and using same
US8673825B2 (en) 2009-04-30 2014-03-18 Mudmasters Group, LLC Drilling fluid additive with low freezing point
US7964537B2 (en) 2009-04-30 2011-06-21 Rayborn Sr Jerry Air drilling misting fluid contains syrups
US7972995B2 (en) 2009-04-30 2011-07-05 Rayborn Sr Jerry Drilling fluid additive containing heated syrup solids
US7763570B1 (en) 2009-04-30 2010-07-27 Rayborn Sr Jerry Drilling fluid additive containing syrups
US7745378B1 (en) 2009-04-30 2010-06-29 Rayborn Sr Jerry Drilling fluid additive containing corn syrup solids
USRE47362E1 (en) 2009-04-30 2019-04-23 Mud Masters Acquisition Corporation Drilling fluid additive with low freezing point
US8101555B2 (en) * 2009-04-30 2012-01-24 Rayborn Sr Jerry Spotting fluids containing syrups
US8216981B2 (en) 2009-04-30 2012-07-10 Rayborn Sr Jerry Drilling fluid additive system
US8082992B2 (en) 2009-07-13 2011-12-27 Halliburton Energy Services, Inc. Methods of fluid-controlled geometry stimulation
WO2011066024A1 (en) 2009-11-30 2011-06-03 Exxonmobil Upstream Research Company Systems and methods for forming high performance compressible objects
WO2012135756A2 (en) * 2011-04-01 2012-10-04 Solazyme, Inc. Biomass-based oil field chemicals
US20140262529A1 (en) * 2013-03-15 2014-09-18 Baker Hughes Incorporated Encapsulated gas for drilling and completion fluids
US10240078B2 (en) 2013-10-23 2019-03-26 Halliburton Energy Services, Inc. Volatile surfactant treatment for use in subterranean formation operations
US10160904B2 (en) 2013-10-23 2018-12-25 Halliburton Energy Services, Inc. Volatile surfactant treatment for subterranean formations
GB2532529B (en) * 2014-11-18 2019-07-10 Mi Llc Wellbore fluid containing granular hemicellulose material
SG11201707876YA (en) 2015-03-24 2017-10-30 Terravia Holdings Inc Microalgal compositions and uses thereof
RU2635405C1 (ru) * 2016-06-28 2017-11-13 Общество с ограниченной ответственностью "ЛУКОЙЛ-Инжиниринг" (ООО "ЛУКОЙЛ-Инжиниринг") Способ приготовления бурового раствора на углеводородной основе для бурения скважин с аномально низким пластовым давлением
JP2019040649A (ja) 2017-08-23 2019-03-14 株式会社東芝 ディスク装置
CA3236878A1 (en) 2021-12-01 2023-06-08 Select Chemistry, Llc Compositions of aphron sealing lost circulation spacer
US12146378B2 (en) 2023-04-04 2024-11-19 Thru Tubing Solutions, Inc. Downhole plug deployment in a subterranean well

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2713029A (en) * 1952-05-07 1955-07-12 Masonite Corp Drilling mud addition agent
US2818230A (en) * 1954-02-08 1957-12-31 Shell Dev Method of correcting for lost circulation of drilling fluids
US4486333A (en) * 1981-04-10 1984-12-04 Felix Sebba Preparation of biliquid foam compositions
GB8622032D0 (en) * 1986-09-12 1986-10-22 Shell Int Research Aqueous polysaccharide compositions
US5514644A (en) * 1993-12-14 1996-05-07 Texas United Chemical Corporation Polysaccharide containing fluids having enhanced thermal stability
US5513712A (en) * 1994-11-08 1996-05-07 Marathon Oil Company Polymer enhanced foam drilling fluid
US5616541A (en) * 1995-02-10 1997-04-01 Texas United Chemical Company, Llc. Low solids, high density fluids for well drilling
US5728652A (en) * 1995-02-10 1998-03-17 Texas United Chemical Company, Llc. Brine fluids having improved rheological charactersitics
US5716910A (en) * 1995-09-08 1998-02-10 Halliburton Company Foamable drilling fluid and methods of use in well drilling operations
US5682951A (en) * 1995-12-07 1997-11-04 Marathon Oil Company Foamed gel completion, workover, and kill fluid
US5881826A (en) * 1997-02-13 1999-03-16 Actisystems, Inc. Aphron-containing well drilling and servicing fluids
US5916849A (en) * 1998-07-24 1999-06-29 Venture Innovations, Inc. Polysaccharide-containing well drilling and servicing fluids

Also Published As

Publication number Publication date
NO328671B1 (no) 2010-04-19
AR023316A1 (es) 2002-09-04
EP1114116B1 (de) 2004-09-22
NO20010385D0 (no) 2001-01-23
EP1114116A4 (de) 2001-10-04
US6422326B1 (en) 2002-07-23
DE69920488D1 (de) 2004-10-28
EA200100180A1 (ru) 2001-08-27
EA002832B1 (ru) 2002-10-31
CA2338510A1 (en) 2000-02-03
ID28130A (id) 2001-05-03
NO20010385L (no) 2001-03-20
BR9912415B1 (pt) 2009-01-13
CA2338510C (en) 2003-04-08
WO2000005323A1 (en) 2000-02-03
AU5097399A (en) 2000-02-14
OA11588A (en) 2004-07-30
BR9912415A (pt) 2001-04-17
MXPA01000840A (es) 2002-06-04
US6123159A (en) 2000-09-26
EP1114116A1 (de) 2001-07-11

Similar Documents

Publication Publication Date Title
ATE277142T1 (de) Aphronhaltige bohr- und aufwältigungsflüssigkeiten mit verbesserter stabilität
NO20010384L (no) Polysakkaridholdig brønnborings- og servicefluider
NO993925D0 (no) Aphron-holdige brönnborings- og vedlikeholdsfluider
NO20011775L (no) Borefluidadditiver og fremgangsmåter derav
DE69940898D1 (de) Bohrverfahren
NO942000D0 (no) Borefluida
DE69921429D1 (de) Dreh- und steuerbares Bohrsystem mit Schiebehülse
DK1178099T3 (da) Bore- og behandlingsvæsker
NO983933D0 (no) Borerigg
DE59910960D1 (de) Bohrwerkzeug
DE69825451D1 (de) Kanüle mit mehreren leitungen
DE69908757D1 (de) Förderung von bohrlochflüssigkeiten
NO20024709D0 (no) Borefluider og anvendelse derav
ID30114A (id) Zat-zat herbisida dengan fenoksisulfonilurea tersubstitusi
DE69921110D1 (de) Bohrflüssigkeiten und zusatzstoffen
ID27776A (id) Bahan dengan efek antidepresan
DE69509557D1 (de) Richtbohren mit bohrlochmotor
DK0957149T3 (da) Omvendte emulsionsbröndborings- og -serviceringsvæsker
AT3953U3 (de) Strangführungselement und strangführungssegment mit integriertem strangführungselement
NO992205D0 (no) Borevµsker omfattende biodegraderbare heteropolyglykoler
FI944291A0 (fi) Poratanko
DE59811358D1 (de) Bohrvorrichtung
NO961961D0 (no) Borevæske
FI954851L (fi) Porausyksikkö rengasmaisella kairakruunulla ja keskiöporalla
DE69925408D1 (de) Bohrwerkzeug

Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties