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GB2319047A - Drilling fluid - Google Patents

Drilling fluid

Info

Publication number
GB2319047A
GB2319047A GB9803079A GB9803079A GB2319047A GB 2319047 A GB2319047 A GB 2319047A GB 9803079 A GB9803079 A GB 9803079A GB 9803079 A GB9803079 A GB 9803079A GB 2319047 A GB2319047 A GB 2319047A
Authority
GB
United Kingdom
Prior art keywords
sorbitol
oxide
polyhydroxyalkane
drilling fluid
wbm
Prior art date
Legal status (The legal status 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 status listed.)
Granted
Application number
GB9803079A
Other versions
GB2319047B (en
GB9803079D0 (en
Inventor
Paul Ian Reid
Bernadette Teresa Craster
John Peter Crawshaw
Terence George Balson
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sofitech NV
Dow Chemical Co
Original Assignee
Sofitech NV
Dow Chemical Co
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 GB9516843A external-priority patent/GB2304354A/en
Application filed by Sofitech NV, Dow Chemical Co filed Critical Sofitech NV
Priority to GB9803079A priority Critical patent/GB2319047B/en
Publication of GB9803079D0 publication Critical patent/GB9803079D0/en
Publication of GB2319047A publication Critical patent/GB2319047A/en
Application granted granted Critical
Publication of GB2319047B publication Critical patent/GB2319047B/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07H—SUGARS; DERIVATIVES THEREOF; NUCLEOSIDES; NUCLEOTIDES; NUCLEIC ACIDS
    • C07H15/00—Compounds containing hydrocarbon or substituted hydrocarbon radicals directly attached to hetero atoms of saccharide radicals
    • C07H15/02—Acyclic radicals, not substituted by cyclic structures
    • C07H15/04—Acyclic radicals, not substituted by cyclic structures attached to an oxygen atom of the saccharide radical
    • 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
    • C09K8/22—Synthetic organic compounds

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Materials Engineering (AREA)
  • Dispersion Chemistry (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Biochemistry (AREA)
  • Biotechnology (AREA)
  • General Health & Medical Sciences (AREA)
  • Genetics & Genomics (AREA)
  • Molecular Biology (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Abstract

A water-based drilling fluid (WBM) comprises as additive a reaction product of a polyhydroxyalkane and alkylene oxide. The polyhydroxyalkane is desirably based on a monosaccharide, and is preferably sorbitol. The alkylene oxide may comprise ethylene oxide (EO), propylene oxide (PO) and/or butylene oxide (BO). Good results have been obtained with additives including Sorbitol + 18EO, Sorbitol + 9PO, Sorbitol + 4EO + 6BO, Sorbitol + 6EO + 6BO, or Sorbitol + 6BO. Drilling fluids in accordance with the invention have been found in laboratory tests to exhibit improved shale inhibition properties as compared with known polyol containing WBM, particularly in the absence of added potassium ions. This is environmentally advantageous.
GB9803079A 1995-08-17 1996-08-14 Drilling fluid Expired - Lifetime GB2319047B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9803079A GB2319047B (en) 1995-08-17 1996-08-14 Drilling fluid

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB9516843A GB2304354A (en) 1995-08-17 1995-08-17 Drilling fluid
PCT/GB1996/001989 WO1997007183A1 (en) 1995-08-17 1996-08-14 Drilling fluid
GB9803079A GB2319047B (en) 1995-08-17 1996-08-14 Drilling fluid

Publications (3)

Publication Number Publication Date
GB9803079D0 GB9803079D0 (en) 1998-04-08
GB2319047A true GB2319047A (en) 1998-05-13
GB2319047B GB2319047B (en) 1999-12-01

Family

ID=26307580

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9803079A Expired - Lifetime GB2319047B (en) 1995-08-17 1996-08-14 Drilling fluid

Country Status (1)

Country Link
GB (1) GB2319047B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2337067A (en) * 1998-05-07 1999-11-10 Baker Hughes Inc Drilling, drill-in, or completion fluids

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4302462A1 (en) * 1992-12-28 1994-06-30 Henkel Kgaa Rheologically controlled, flowable and pumpable aqueous preparations, for example for use as water-based drilling muds
WO1994014919A1 (en) * 1992-12-24 1994-07-07 O'brien-Goins-Simpson & Associates, Inc. Environmentally safe drilling fluid
EP0702073A1 (en) * 1994-09-19 1996-03-20 Baker Hughes Incorporated Shale stabilising drilling fluid employing saccharide derivatives
GB2297774A (en) * 1995-02-10 1996-08-14 Sofitech Nv Drilling fluid
GB2297775A (en) * 1995-02-10 1996-08-14 Sofitech Nv Drilling fluid

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2304354A (en) * 1995-08-17 1997-03-19 Sofitech Nv Drilling fluid

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1994014919A1 (en) * 1992-12-24 1994-07-07 O'brien-Goins-Simpson & Associates, Inc. Environmentally safe drilling fluid
DE4302462A1 (en) * 1992-12-28 1994-06-30 Henkel Kgaa Rheologically controlled, flowable and pumpable aqueous preparations, for example for use as water-based drilling muds
EP0702073A1 (en) * 1994-09-19 1996-03-20 Baker Hughes Incorporated Shale stabilising drilling fluid employing saccharide derivatives
GB2297774A (en) * 1995-02-10 1996-08-14 Sofitech Nv Drilling fluid
GB2297775A (en) * 1995-02-10 1996-08-14 Sofitech Nv Drilling fluid

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2337067A (en) * 1998-05-07 1999-11-10 Baker Hughes Inc Drilling, drill-in, or completion fluids
US6054416A (en) * 1998-05-07 2000-04-25 Baker Hughes Incorporated Drilling fluids comprising biodegradable heteropolyglycols
GB2337067B (en) * 1998-05-07 2000-12-06 Baker Hughes Inc Drilling, drill-in, or completion fluids

Also Published As

Publication number Publication date
GB2319047B (en) 1999-12-01
GB9803079D0 (en) 1998-04-08

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Legal Events

Date Code Title Description
PE20 Patent expired after termination of 20 years

Expiry date: 20160813