ATE317416T1 - Bohrflüssigkeit enthaltend stärke mit hohem amylosegehalt - Google Patents

Bohrflüssigkeit enthaltend stärke mit hohem amylosegehalt

Info

Publication number
ATE317416T1
ATE317416T1 AT01974968T AT01974968T ATE317416T1 AT E317416 T1 ATE317416 T1 AT E317416T1 AT 01974968 T AT01974968 T AT 01974968T AT 01974968 T AT01974968 T AT 01974968T AT E317416 T1 ATE317416 T1 AT E317416T1
Authority
AT
Austria
Prior art keywords
drilling fluid
amylose starch
fluid containing
containing high
high amylose
Prior art date
Application number
AT01974968T
Other languages
English (en)
Inventor
Bernhard Emile Stoever
Original Assignee
Hanseland B V
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 Hanseland B V filed Critical Hanseland B V
Application granted granted Critical
Publication of ATE317416T1 publication Critical patent/ATE317416T1/de

Links

Classifications

    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Bakery Products And Manufacturing Methods Therefor (AREA)
AT01974968T 2000-08-03 2001-07-31 Bohrflüssigkeit enthaltend stärke mit hohem amylosegehalt ATE317416T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP00202756A EP1186645A1 (de) 2000-08-03 2000-08-03 Bohrflüssigkeit enthaltend Stärke mit hohem Amylosegehalt

Publications (1)

Publication Number Publication Date
ATE317416T1 true ATE317416T1 (de) 2006-02-15

Family

ID=8171883

Family Applications (1)

Application Number Title Priority Date Filing Date
AT01974968T ATE317416T1 (de) 2000-08-03 2001-07-31 Bohrflüssigkeit enthaltend stärke mit hohem amylosegehalt

Country Status (7)

Country Link
US (1) US20040038830A1 (de)
EP (2) EP1186645A1 (de)
AT (1) ATE317416T1 (de)
AU (1) AU2001294339A1 (de)
CA (1) CA2417811A1 (de)
DE (1) DE60117159T2 (de)
WO (1) WO2002012414A1 (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20030191029A1 (en) * 2002-03-28 2003-10-09 Elementis Specialties, Inc. Aqueous-based oil well drilling fluids containing high amylose starch polymers
FR2851571B1 (fr) * 2003-02-24 2007-04-27 Roquette Freres Utilisation d'un amidon de legumineuse selectionne dans un fluide industriel
US11230911B2 (en) 2020-06-10 2022-01-25 Halliburton Energy Services, Inc. Wellbore servicing fluid and methods of making and using same

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5364471A (en) * 1993-08-17 1994-11-15 Washington State University Research Foundation Process for fractionating legumes to obtain pure starch and a protein concentrate
IL113367A0 (en) * 1994-04-26 1995-07-31 Us Agriculture Starch-oil compositions and methods for the preparation thereof
US5882713A (en) * 1994-04-26 1999-03-16 The United States Of America As Represented By The Secretary Of Agriculture Non-separable compositions of starch and water-immiscible organic materials
GB9611595D0 (en) * 1996-06-04 1996-08-07 Cerestar Holding Bv Stabilised high viscosity starches
US5851959A (en) * 1997-01-03 1998-12-22 Chemstar Products Company High temperature stable modified starch polymers and well drilling fluids employing same
AU4682799A (en) * 1998-06-12 1999-12-30 Hensley, Gary L. Processing system
US6617446B1 (en) * 1999-06-03 2003-09-09 National Starch And Chemical Investment Holding Corporation Cold water swellable starches exhibiting delayed viscosity development, preparation and use thereof

Also Published As

Publication number Publication date
WO2002012414A1 (en) 2002-02-14
CA2417811A1 (en) 2002-02-14
DE60117159D1 (de) 2006-04-20
US20040038830A1 (en) 2004-02-26
EP1186645A1 (de) 2002-03-13
AU2001294339A1 (en) 2002-02-18
EP1332195B1 (de) 2006-02-08
EP1332195A1 (de) 2003-08-06
DE60117159T2 (de) 2006-11-09

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Legal Events

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