ES8404377A1 - Low fluid loss heavy brines containing hydroxyethyl cellulose - Google Patents

Low fluid loss heavy brines containing hydroxyethyl cellulose

Info

Publication number
ES8404377A1
ES8404377A1 ES520465A ES520465A ES8404377A1 ES 8404377 A1 ES8404377 A1 ES 8404377A1 ES 520465 A ES520465 A ES 520465A ES 520465 A ES520465 A ES 520465A ES 8404377 A1 ES8404377 A1 ES 8404377A1
Authority
ES
Spain
Prior art keywords
hydroxyethyl cellulose
fluid loss
low fluid
containing hydroxyethyl
brines containing
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.)
Expired
Application number
ES520465A
Other languages
Spanish (es)
Other versions
ES520465A0 (en
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.)
NL Industries Inc
Original Assignee
NL Industries 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 NL Industries Inc filed Critical NL Industries Inc
Publication of ES520465A0 publication Critical patent/ES520465A0/en
Publication of ES8404377A1 publication Critical patent/ES8404377A1/en
Expired legal-status Critical Current

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
    • C09K8/06—Clay-free compositions
    • C09K8/08—Clay-free compositions containing natural organic compounds, e.g. polysaccharides, or derivatives thereof
    • C09K8/10—Cellulose or derivatives thereof

Landscapes

  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)
  • Paper (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
  • Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
  • Materials Applied To Surfaces To Minimize Adherence Of Mist Or Water (AREA)
  • Curing Cements, Concrete, And Artificial Stone (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Colloid Chemistry (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)

Abstract

Hydroxyethyl cellulose can function as a fluid loss additive containing 16 to 20% by weight of zinc bromide and either or both of calcium chloride and calcium bromide. When the concentration (X) of zinc bromide exceeds 20% by weight, both calcium chloride and calcium bromide must be present, the concentration of calcium chloride being at least (2X-33)% by weight.
ES520465A 1982-03-11 1983-03-10 Low fluid loss heavy brines containing hydroxyethyl cellulose Expired ES8404377A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US35730882A 1982-03-11 1982-03-11

Publications (2)

Publication Number Publication Date
ES520465A0 ES520465A0 (en) 1984-05-01
ES8404377A1 true ES8404377A1 (en) 1984-05-01

Family

ID=23405081

Family Applications (1)

Application Number Title Priority Date Filing Date
ES520465A Expired ES8404377A1 (en) 1982-03-11 1983-03-10 Low fluid loss heavy brines containing hydroxyethyl cellulose

Country Status (14)

Country Link
JP (1) JPS58171471A (en)
AU (1) AU553329B2 (en)
BR (1) BR8301153A (en)
CA (1) CA1202477A (en)
DE (1) DE3308214C2 (en)
ES (1) ES8404377A1 (en)
FR (1) FR2523142B1 (en)
GB (1) GB2116230B (en)
HK (1) HK13087A (en)
IE (1) IE54289B1 (en)
IN (1) IN159877B (en)
IT (1) IT1194160B (en)
NL (1) NL8300898A (en)
NO (1) NO159535C (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4496468A (en) * 1982-03-29 1985-01-29 Nl Industries, Inc. Hydrated hydroxyethyl cellulose compositions
GB8428348D0 (en) * 1984-11-09 1984-12-19 Shell Int Research Degrading of viscous microbial polysaccharide formulation
WO2004038164A2 (en) * 2002-09-12 2004-05-06 M-I L.L.C. Remediation treatment of sustained casing pressures (scp) in wells with top down surface injection of fluids and additives

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4304677A (en) * 1978-09-05 1981-12-08 The Dow Chemical Company Method of servicing wellbores
US4330414A (en) * 1980-02-08 1982-05-18 Nl Industries, Inc. Dispersible hydrophilic polymer compositions
US4392964A (en) * 1980-05-05 1983-07-12 Nl Industries, Inc. Compositions and method for thickening aqueous brines
CA1168427A (en) * 1980-08-08 1984-06-05 Roy F. House Method of producing a homogeneous viscous well servicing fluid within a borehole and well servicing fluid compositions
AU546041B2 (en) * 1980-09-23 1985-08-15 N L Industries Inc. Preparation of polymer suspensions

Also Published As

Publication number Publication date
IT8320037A1 (en) 1984-09-11
IT1194160B (en) 1988-09-14
NO159535C (en) 1989-01-11
ES520465A0 (en) 1984-05-01
NO159535B (en) 1988-10-03
CA1202477A (en) 1986-04-01
NO830789L (en) 1983-09-12
IE54289B1 (en) 1989-08-16
GB8304212D0 (en) 1983-03-23
GB2116230A (en) 1983-09-21
AU553329B2 (en) 1986-07-10
HK13087A (en) 1987-02-20
IT8320037A0 (en) 1983-03-11
AU1133683A (en) 1983-09-15
NL8300898A (en) 1983-10-03
IE830526L (en) 1983-09-11
JPS58171471A (en) 1983-10-08
JPH0377835B2 (en) 1991-12-11
GB2116230B (en) 1985-10-16
FR2523142B1 (en) 1988-05-13
DE3308214A1 (en) 1983-09-15
FR2523142A1 (en) 1983-09-16
DE3308214C2 (en) 1994-04-14
IN159877B (en) 1987-06-13
BR8301153A (en) 1983-11-22

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Legal Events

Date Code Title Description
FD1A Patent lapsed

Effective date: 19970612