SG39885G - Defoamers for aqueous liquids containing soluble zinc salts - Google Patents

Defoamers for aqueous liquids containing soluble zinc salts

Info

Publication number
SG39885G
SG39885G SG398/85A SG39885A SG39885G SG 39885 G SG39885 G SG 39885G SG 398/85 A SG398/85 A SG 398/85A SG 39885 A SG39885 A SG 39885A SG 39885 G SG39885 G SG 39885G
Authority
SG
Singapore
Prior art keywords
defoamers
zinc salts
aqueous liquids
liquids containing
soluble zinc
Prior art date
Application number
SG398/85A
Other languages
English (en)
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 SG39885G publication Critical patent/SG39885G/en

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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D19/00—Degasification of liquids
    • B01D19/02—Foam dispersion or prevention
    • B01D19/04—Foam dispersion or prevention by addition of chemical substances
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D19/00—Degasification of liquids
    • B01D19/02—Foam dispersion or prevention
    • B01D19/04—Foam dispersion or prevention by addition of chemical substances
    • B01D19/0404—Foam dispersion or prevention by addition of chemical substances characterised by the nature of the chemical substance
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S507/00—Earth boring, well treating, and oil field chemistry
    • Y10S507/925—Completion or workover fluid
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S507/00—Earth boring, well treating, and oil field chemistry
    • Y10S507/926—Packer fluid

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Dispersion Chemistry (AREA)
  • Toxicology (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Detergent Compositions (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
  • Cosmetics (AREA)
  • Jellies, Jams, And Syrups (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)
SG398/85A 1981-12-10 1985-05-30 Defoamers for aqueous liquids containing soluble zinc salts SG39885G (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/329,350 US4394273A (en) 1981-12-10 1981-12-10 Defoamers for aqueous liquids containing soluble zinc salts

Publications (1)

Publication Number Publication Date
SG39885G true SG39885G (en) 1985-12-13

Family

ID=23284980

Family Applications (1)

Application Number Title Priority Date Filing Date
SG398/85A SG39885G (en) 1981-12-10 1985-05-30 Defoamers for aqueous liquids containing soluble zinc salts

Country Status (11)

Country Link
US (1) US4394273A (no)
AU (1) AU547441B2 (no)
BR (1) BR8206212A (no)
CA (1) CA1188954A (no)
DE (1) DE3245793C2 (no)
FR (1) FR2517982B1 (no)
GB (1) GB2111102B (no)
MX (1) MX165587B (no)
NL (1) NL189676C (no)
NO (1) NO159771C (no)
SG (1) SG39885G (no)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4619773A (en) * 1983-05-02 1986-10-28 Mobil Oil Corporation High temperature stable aqueous brine fluids viscosified by water-soluble copolymers of acrylamidomethylpropanesulfonic acid salts
GB8428348D0 (en) * 1984-11-09 1984-12-19 Shell Int Research Degrading of viscous microbial polysaccharide formulation
US4735659A (en) * 1986-08-18 1988-04-05 Phillips Petroleum Company Compositions and a process for preparing water dispersible polymers
EP0339762A3 (en) * 1988-04-25 1992-01-02 Baroid Technology, Inc. Defoamer composition for use in water based drilling fluids
WO2012071149A2 (en) * 2010-11-23 2012-05-31 Dow Global Technologies Llc Branched secondary alcohol alkoxylate surfactants and process to make them

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2363922A (en) * 1938-03-01 1944-11-28 Dearborn Chemicals Co Antifoam composition for aqueous baths
US2363924A (en) * 1939-07-12 1944-11-28 Dearborn Chemicals Co Purifying waters with stabilized emulsion
US2575298A (en) * 1948-01-26 1951-11-13 Nat Aluminate Corp Steam generation and compositions for inhibiting foaming
US3396105A (en) * 1963-08-19 1968-08-06 Mobil Oil Corp Drilling fluid treatment
US4304677A (en) * 1978-09-05 1981-12-08 The Dow Chemical Company Method of servicing wellbores
US4292183A (en) * 1978-12-13 1981-09-29 Great Lakes Chemical Corporation High-density fluid compositions
DE2932687A1 (de) * 1979-08-11 1981-02-26 Bayer Ag Emulgatorsystem und seine verwendung als entschaeumungs- und schaumverhuetungsmittel
US4330414A (en) * 1980-02-08 1982-05-18 Nl Industries, Inc. Dispersible hydrophilic polymer compositions
DE3018149A1 (de) * 1980-05-12 1981-11-19 Henkel KGaA, 4000 Düsseldorf Verwendung von alkylpolyglykolethermischformale zur schaumverhuetung

Also Published As

Publication number Publication date
AU547441B2 (en) 1985-10-17
NL8203942A (nl) 1983-07-01
GB2111102B (en) 1985-04-24
NL189676C (nl) 1993-06-16
NL189676B (nl) 1993-01-18
AU8650782A (en) 1983-06-16
NO159771B (no) 1988-10-31
GB2111102A (en) 1983-06-29
MX165587B (es) 1992-11-24
BR8206212A (pt) 1983-09-20
NO159771C (no) 1989-02-08
US4394273A (en) 1983-07-19
DE3245793A1 (de) 1983-06-23
NO822848L (no) 1983-06-13
FR2517982A1 (fr) 1983-06-17
FR2517982B1 (fr) 1986-03-21
CA1188954A (en) 1985-06-18
DE3245793C2 (de) 1994-10-06

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