ID28130A - Pengeboran sumur bor yang mengandung afron dan fluida-fluida pelayanan dalam pengeboran - Google Patents
Pengeboran sumur bor yang mengandung afron dan fluida-fluida pelayanan dalam pengeboranInfo
- Publication number
- ID28130A ID28130A IDW20010353A ID20010353A ID28130A ID 28130 A ID28130 A ID 28130A ID W20010353 A IDW20010353 A ID W20010353A ID 20010353 A ID20010353 A ID 20010353A ID 28130 A ID28130 A ID 28130A
- Authority
- ID
- Indonesia
- Prior art keywords
- drilling
- afrons
- service fluids
- well drills
- drills containing
- Prior art date
Links
- 238000005553 drilling Methods 0.000 title 1
- 239000012530 fluid Substances 0.000 title 1
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)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Geochemistry & Mineralogy (AREA)
- Fluid Mechanics (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Mechanical Engineering (AREA)
- Dispersion Chemistry (AREA)
- Marine Sciences & Fisheries (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Detergent Compositions (AREA)
- Emulsifying, Dispersing, Foam-Producing Or Wetting Agents (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)
Applications Claiming Priority (1)
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 |
Publications (1)
Publication Number | Publication Date |
---|---|
ID28130A true ID28130A (id) | 2001-05-03 |
Family
ID=22398365
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IDW20010353A ID28130A (id) | 1998-07-24 | 1999-07-12 | Pengeboran sumur bor yang mengandung afron dan fluida-fluida pelayanan dalam pengeboran |
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 (75)
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 |
ATE280816T1 (de) * | 1999-02-09 | 2004-11-15 | Masi Technologies Llc | Aphronhaltige bohr- und aufwältigungsflüssigkeit |
GB2368626B (en) | 1999-07-22 | 2004-09-08 | Schlumberger Technology Corp | 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 |
GB2413582A (en) * | 2003-02-03 | 2005-11-02 | Masi Technologies Llc | 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 |
US7199085B2 (en) * | 2003-05-06 | 2007-04-03 | Masi Technologies, Inc. | Colloidal and colloidal-like systems in aqueous, clay-based fluids |
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 |
US7833944B2 (en) | 2003-09-17 | 2010-11-16 | Halliburton Energy Services, Inc. | Methods and compositions using crosslinked aliphatic polyesters in well bore applications |
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 |
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 |
WO2005097937A1 (en) * | 2004-04-05 | 2005-10-20 | Masi Technologies, L.L.C. | Stabilized colloidal and colloidal-like systems |
WO2007145735A2 (en) | 2006-06-07 | 2007-12-21 | Exxonmobil Upstream Research Company | Method for fabricating compressible objects for 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 |
US20060014648A1 (en) * | 2004-07-13 | 2006-01-19 | Milson Shane L | Brine-based viscosified treatment fluids and associated methods |
US7727937B2 (en) | 2004-07-13 | 2010-06-01 | Halliburton Energy Services, Inc. | Acidic treatment fluids comprising xanthan and associated methods |
US7727936B2 (en) * | 2004-07-13 | 2010-06-01 | Halliburton Energy Services, Inc. | Acidic treatment fluids comprising xanthan and associated methods |
US7825073B2 (en) * | 2004-07-13 | 2010-11-02 | Halliburton Energy Services, Inc. | Treatment fluids comprising clarified xanthan and associated methods |
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 |
US7648946B2 (en) | 2004-11-17 | 2010-01-19 | Halliburton Energy Services, Inc. | Methods of degrading filter cakes in subterranean formations |
US20080009423A1 (en) | 2005-01-31 | 2008-01-10 | Halliburton Energy Services, Inc. | Self-degrading fibers and associated methods of use and manufacture |
US8598092B2 (en) | 2005-02-02 | 2013-12-03 | Halliburton Energy Services, Inc. | Methods of preparing degradable materials 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 |
US7713916B2 (en) | 2005-09-22 | 2010-05-11 | Halliburton Energy Services, Inc. | Orthoester-based surfactants and associated methods |
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 |
EP2038364A2 (de) | 2006-06-07 | 2009-03-25 | ExxonMobil Upstream Research Company | Kompressierbare gegenstände mit teilschauminnenbereichen in kombination mit einer bohrflüssigkeit zur bildung eines bohrschlamms variabler dichte |
US8329621B2 (en) * | 2006-07-25 | 2012-12-11 | Halliburton Energy Services, Inc. | Degradable particulates and associated methods |
AU2007356171B8 (en) | 2006-08-04 | 2014-01-16 | Bp Corporation North America Inc. | Glucanases, nucleic acids encoding them, and methods for making and using them |
US7686080B2 (en) | 2006-11-09 | 2010-03-30 | Halliburton Energy Services, Inc. | Acid-generating fluid loss control additives and associated methods |
DK2479267T3 (en) | 2006-12-21 | 2017-03-27 | Basf Enzymes Llc | Amylases and Glucoamylases, Nucleic Acids Encoding Them, and Methods for Preparing and Using Them |
US8220548B2 (en) | 2007-01-12 | 2012-07-17 | Halliburton Energy Services Inc. | Surfactant wash treatment fluids and associated methods |
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 |
US7745378B1 (en) | 2009-04-30 | 2010-06-29 | Rayborn Sr Jerry | Drilling fluid additive containing corn syrup solids |
US8216981B2 (en) | 2009-04-30 | 2012-07-10 | Rayborn Sr Jerry | Drilling fluid additive system |
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 |
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 |
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 |
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 |
AU2012236141B2 (en) * | 2011-04-01 | 2016-11-17 | Terravia Holdings, Inc. | Biomass-based oil field chemicals |
US20140262529A1 (en) * | 2013-03-15 | 2014-09-18 | Baker Hughes Incorporated | Encapsulated gas for drilling and completion fluids |
WO2015060842A1 (en) * | 2013-10-23 | 2015-04-30 | Halliburton Energy Services, Inc. | Volatile surfactant treatment for subterranean formations |
US10240078B2 (en) | 2013-10-23 | 2019-03-26 | Halliburton Energy Services, Inc. | Volatile surfactant treatment for use in subterranean formation operations |
GB2532529B (en) * | 2014-11-18 | 2019-07-10 | Mi Llc | Wellbore fluid containing granular hemicellulose material |
DK3274430T3 (da) | 2015-03-24 | 2022-10-03 | Corbion Biotech Inc | Mikroalgesammensætninger og deres anvendelser |
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 |
MX2024006456A (es) | 2021-12-01 | 2024-06-11 | Select Chemistry Llc | Composiciones de espaciador de circulacion perdida de sellado de afrones. |
Family Cites Families (12)
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 |
US5728652A (en) * | 1995-02-10 | 1998-03-17 | Texas United Chemical Company, Llc. | Brine fluids having improved rheological charactersitics |
US5616541A (en) * | 1995-02-10 | 1997-04-01 | Texas United Chemical Company, Llc. | Low solids, high density fluids for well drilling |
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 |
-
1998
- 1998-07-24 US US09/121,713 patent/US6123159A/en not_active Expired - Lifetime
-
1999
- 1999-07-12 MX MXPA01000840A patent/MXPA01000840A/es not_active IP Right Cessation
- 1999-07-12 CA CA002338510A patent/CA2338510C/en not_active Expired - Fee Related
- 1999-07-12 AT AT99935510T patent/ATE277142T1/de not_active IP Right Cessation
- 1999-07-12 WO PCT/US1999/015725 patent/WO2000005323A1/en active IP Right Grant
- 1999-07-12 AU AU50973/99A patent/AU5097399A/en not_active Abandoned
- 1999-07-12 EP EP99935510A patent/EP1114116B1/de not_active Expired - Lifetime
- 1999-07-12 OA OA1200100026A patent/OA11588A/en unknown
- 1999-07-12 DE DE69920488T patent/DE69920488D1/de not_active Expired - Lifetime
- 1999-07-12 BR BRPI9912415-7A patent/BR9912415B1/pt not_active IP Right Cessation
- 1999-07-12 EA EA200100180A patent/EA002832B1/ru not_active IP Right Cessation
- 1999-07-12 ID IDW20010353A patent/ID28130A/id unknown
- 1999-07-21 AR ARP990103580A patent/AR023316A1/es active IP Right Grant
-
2000
- 2000-06-09 US US09/591,008 patent/US6422326B1/en not_active Expired - Lifetime
-
2001
- 2001-01-23 NO NO20010385A patent/NO328671B1/no not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
DE69920488D1 (de) | 2004-10-28 |
NO20010385D0 (no) | 2001-01-23 |
NO20010385L (no) | 2001-03-20 |
BR9912415B1 (pt) | 2009-01-13 |
CA2338510C (en) | 2003-04-08 |
ATE277142T1 (de) | 2004-10-15 |
EA002832B1 (ru) | 2002-10-31 |
CA2338510A1 (en) | 2000-02-03 |
EA200100180A1 (ru) | 2001-08-27 |
OA11588A (en) | 2004-07-30 |
MXPA01000840A (es) | 2002-06-04 |
NO328671B1 (no) | 2010-04-19 |
BR9912415A (pt) | 2001-04-17 |
EP1114116A1 (de) | 2001-07-11 |
EP1114116B1 (de) | 2004-09-22 |
EP1114116A4 (de) | 2001-10-04 |
AU5097399A (en) | 2000-02-14 |
US6422326B1 (en) | 2002-07-23 |
WO2000005323A1 (en) | 2000-02-03 |
US6123159A (en) | 2000-09-26 |
AR023316A1 (es) | 2002-09-04 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
ID28130A (id) | Pengeboran sumur bor yang mengandung afron dan fluida-fluida pelayanan dalam pengeboran | |
ID27229A (id) | Pengeboran sumur bor yang mengandung polisakarida dan fluida-fluida pelayanan dalam pengeboran | |
NO994338D0 (no) | Kombinert frese- og borekrone | |
GB2336865B (en) | Less temperature-dependent drilling fluids | |
EP0960259A4 (de) | Aphronhaltige bohr- und aufwältigungsflüssigkeit | |
GB2328699B (en) | Drilling rig | |
NO20011775L (no) | Borefluidadditiver og fremgangsmåter derav | |
GB0125685D0 (en) | Drilling wells and drilling fluids | |
GB9817054D0 (en) | Drill bit and downhole assembly | |
NO944136L (no) | Anordning for boring av småhullsbrönner på dypt vann | |
GB2334271B (en) | Water based drilling fluid with shale swelling inhibiting agent and phosphonate | |
AU4384999A (en) | Improved backhead and check valve for down-hole drills | |
GB2329657B (en) | Thermally stable drilling fluid | |
DE69921110D1 (de) | Bohrflüssigkeiten und zusatzstoffen | |
DK0937860T3 (da) | Bore- og/eller mejselværktøj | |
ATE280816T1 (de) | Aphronhaltige bohr- und aufwältigungsflüssigkeit | |
DE69823220D1 (de) | Teilweise durch diamanten verstärkter bohrmeissel | |
PL326856A1 (en) | Drilling rig | |
DK199900345U3 (da) | Borebit | |
AU1809800A (en) | Antifoaming agents for drilling fluids used in the drilling of subterranean wells | |
GB2334279B (en) | Brines for use in oil drilling operations | |
ID24483A (id) | Mata bor | |
DK0687638T3 (da) | Beholder til bore- og mejsleværktøjer | |
GB9726732D0 (en) | Drilling fluid | |
NO984866L (no) | Borholder for boring i hjorner |