ATE36032T1 - Biopolymer-zusammensetzung mit verbesserter filtrierbarkeit. - Google Patents

Biopolymer-zusammensetzung mit verbesserter filtrierbarkeit.

Info

Publication number
ATE36032T1
ATE36032T1 AT84307446T AT84307446T ATE36032T1 AT E36032 T1 ATE36032 T1 AT E36032T1 AT 84307446 T AT84307446 T AT 84307446T AT 84307446 T AT84307446 T AT 84307446T AT E36032 T1 ATE36032 T1 AT E36032T1
Authority
AT
Austria
Prior art keywords
composition
biopolymer
improved filterability
biopolymer composition
weight percent
Prior art date
Application number
AT84307446T
Other languages
English (en)
Inventor
Donald Beck
James Walter Miller
William Charles Wernau
Thomas Benton Young Iii
Original Assignee
Pfizer
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 Pfizer filed Critical Pfizer
Application granted granted Critical
Publication of ATE36032T1 publication Critical patent/ATE36032T1/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
    • C09K8/60—Compositions for stimulating production by acting on the underground formation
    • C09K8/84—Compositions based on water or polar solvents
    • C09K8/86—Compositions based on water or polar solvents containing organic compounds
    • C09K8/88—Compositions based on water or polar solvents containing organic compounds macromolecular compounds
    • C09K8/90—Compositions based on water or polar solvents containing organic compounds macromolecular compounds of natural origin, e.g. polysaccharides, cellulose
    • C09K8/905—Biopolymers
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L5/00—Compositions of polysaccharides or of their derivatives not provided for in groups C08L1/00 or C08L3/00

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Polymers & Plastics (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Fats And Perfumes (AREA)
  • Preparation Of Compounds By Using Micro-Organisms (AREA)
  • Materials For Medical Uses (AREA)
  • Processes Of Treating Macromolecular Substances (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)
  • Macromonomer-Based Addition Polymer (AREA)
AT84307446T 1983-11-03 1984-10-29 Biopolymer-zusammensetzung mit verbesserter filtrierbarkeit. ATE36032T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US54847383A 1983-11-03 1983-11-03
EP84307446A EP0145217B1 (de) 1983-11-03 1984-10-29 Biopolymer-Zusammensetzung mit verbesserter Filtrierbarkeit

Publications (1)

Publication Number Publication Date
ATE36032T1 true ATE36032T1 (de) 1988-08-15

Family

ID=24188993

Family Applications (1)

Application Number Title Priority Date Filing Date
AT84307446T ATE36032T1 (de) 1983-11-03 1984-10-29 Biopolymer-zusammensetzung mit verbesserter filtrierbarkeit.

Country Status (10)

Country Link
EP (1) EP0145217B1 (de)
JP (1) JPS60130674A (de)
AT (1) ATE36032T1 (de)
BR (1) BR8405610A (de)
DE (1) DE3472999D1 (de)
ES (1) ES8609481A1 (de)
IE (1) IE842829L (de)
MX (1) MX160905A (de)
NO (1) NO168545C (de)
ZA (1) ZA848571B (de)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3300375A (en) * 1965-08-10 1967-01-24 American Cyanamid Co Process water treatment and method of controlling sulfate-reducing bacteria
US3996378A (en) * 1974-10-24 1976-12-07 Nalco Chemical Company Water-based microbicide formulation
GB1587225A (en) * 1977-05-20 1981-04-01 Exxon Research Engineering Co Heteropolysaccharides and their preparation
EP0106666B1 (de) * 1982-10-15 1987-03-25 Pfizer Inc. Mit Dithionit stabilisierte Polysaccharid-Lösungen bei der Tertiärölgewinnung bei hoher Temperatur verwendbar

Also Published As

Publication number Publication date
MX160905A (es) 1990-06-12
IE55763B1 (en) 1991-01-02
NO168545C (no) 1992-03-04
JPS60130674A (ja) 1985-07-12
NO844375L (no) 1985-05-06
IE842829L (en) 1991-01-02
ES537348A0 (es) 1986-09-01
ES8609481A1 (es) 1986-09-01
BR8405610A (pt) 1985-09-10
EP0145217A1 (de) 1985-06-19
JPH0329109B2 (de) 1991-04-23
ZA848571B (en) 1986-06-25
NO168545B (no) 1991-11-25
DE3472999D1 (en) 1988-09-01
EP0145217B1 (de) 1988-07-27

Similar Documents

Publication Publication Date Title
ES8608620A1 (es) Procedimiento para recuperar hidrocarburos de una formacion subterranea
ATE16623T1 (de) Verfahren zur steigerung der ausbeute an kohlenwasserstoffen aus einer unterirdischen formation.
ATE66281T1 (de) Temporaere verminderung der permeabilitaet von unterirdischen formationen.
DE69423958T2 (de) Verwendung von n,n-dialkylamiden zum verringern von asphaltsausfällung aus rohöl
ATE30338T1 (de) Verfahren zur modifizierung von heteropolysacchariden.
DE3584849D1 (de) Stimulieren von oel- und gasbohrloechern mit estern von phosphor als tensid.
DE3877655D1 (de) Verfahren zur verfestigung von geologischen formationen.
CA1271412C (en) ACTIVE OIL EXTRACTION METHOD USING ON-SITE STEAM GENERATION
MY102904A (en) Method for acidizing siliceous formations
ATE36032T1 (de) Biopolymer-zusammensetzung mit verbesserter filtrierbarkeit.
ES8501791A1 (es) Una solucion acuosa de control de la movilidad para la extraccion terciaria de petroleo.
DE3665621D1 (en) Method for injection enhancement at injection well drilling for the recovery of oil by water flooding
US4440651A (en) Use of peroxide in waterflood oil recovery
GB1531142A (en) Methods of reducing or suppressing aqueous penetration from underground formations into wells for oil and/or hydrocarbon gas production
GB1217426A (en) Recovery of hydrocarbons
US5710109A (en) Method for acidizing formation having high permeability water zones
GB1439735A (en) Hydraulic fracturing method for subterranean formations
DE3467791D1 (en) Process for reducing water production in oil production wells
ATE17151T1 (de) Verfahren zur gewinnung von oel aus einer unterirdischen lagerstaette.
DE69601420D1 (de) Schwarzlauge mit hohem feststoffgehalt und verringerter viskosität, verfahren zur verringerung der viskosität einer schwarzlauge mit hohem feststoffgehalt
RU93014966A (ru) Способ снижения прочности песчаников нефтешахтных пластов
RU2148156C1 (ru) Способ разработки нефтяной залежи
SU1669231A1 (ru) Способ добычи нефти
SU1332918A1 (ru) Способ разработки нефтяного пласта с водонапорным режимом с высокопроницаемыми коллекторами в подошвенной части пласта
GB1403952A (en) Secondary recovery using carbon dioxide

Legal Events

Date Code Title Description
UEP Publication of translation of european patent specification
REN Ceased due to non-payment of the annual fee