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GB2001999A - Treatment of aqueous solutions of partially hydrolyzed polyacrylamides - Google Patents

Treatment of aqueous solutions of partially hydrolyzed polyacrylamides

Info

Publication number
GB2001999A
GB2001999A GB7831355A GB7831355A GB2001999A GB 2001999 A GB2001999 A GB 2001999A GB 7831355 A GB7831355 A GB 7831355A GB 7831355 A GB7831355 A GB 7831355A GB 2001999 A GB2001999 A GB 2001999A
Authority
GB
United Kingdom
Prior art keywords
treatment
aqueous solutions
partially hydrolyzed
hydrolyzed polyacrylamides
polyacrylamides
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
GB7831355A
Other versions
GB2001999B (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.)
Wintershall Dea International AG
Original Assignee
Deutsche Texaco AG
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 Deutsche Texaco AG filed Critical Deutsche Texaco AG
Publication of GB2001999A publication Critical patent/GB2001999A/en
Application granted granted Critical
Publication of GB2001999B publication Critical patent/GB2001999B/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J3/00—Processes of treating or compounding macromolecular substances
    • C08J3/02—Making solutions, dispersions, lattices or gels by other methods than by solution, emulsion or suspension polymerisation techniques
    • C08J3/03—Making solutions, dispersions, lattices or gels by other methods than by solution, emulsion or suspension polymerisation techniques in aqueous media
    • 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
    • C09K8/58—Compositions for enhanced recovery methods for obtaining hydrocarbons, i.e. for improving the mobility of the oil, e.g. displacing fluids
    • C09K8/588—Compositions for enhanced recovery methods for obtaining hydrocarbons, i.e. for improving the mobility of the oil, e.g. displacing fluids characterised by the use of specific polymers
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2333/00—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Derivatives of such polymers
    • C08J2333/24—Homopolymers or copolymers of amides or imides
    • C08J2333/26—Homopolymers or copolymers of acrylamide or methacrylamide

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Dispersion Chemistry (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
  • Separation Of Suspended Particles By Flocculating Agents (AREA)

Abstract

The solutions for subsequent use in flooding oil reservoirs are sheared at a concentration below 1 kg of polyacrylamide per m<3>, at a shear rate between 20,000 and 50,000 s<-1>.
GB7831355A 1977-07-27 1978-07-27 Treatment of aqueous solutions of partially hydrolyzed polyacrylamides Expired GB2001999B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19772733852 DE2733852B2 (en) 1977-07-27 1977-07-27 Process for the shear treatment of aqueous solutions of partially hydrolyzed polyacrylamides

Publications (2)

Publication Number Publication Date
GB2001999A true GB2001999A (en) 1979-02-14
GB2001999B GB2001999B (en) 1982-02-17

Family

ID=6014952

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7831355A Expired GB2001999B (en) 1977-07-27 1978-07-27 Treatment of aqueous solutions of partially hydrolyzed polyacrylamides

Country Status (5)

Country Link
AT (1) AT365737B (en)
CA (1) CA1102030A (en)
DE (1) DE2733852B2 (en)
FR (1) FR2398769A1 (en)
GB (1) GB2001999B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5139087A (en) * 1991-05-31 1992-08-18 Union Oil Company Of California Method for ensuring injectivity of polymer solutions

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3422612A1 (en) * 1984-06-19 1985-12-19 Basf Ag, 6700 Ludwigshafen METHOD FOR IMPROVING THE DEPOSIT RELATED TO THE PROPERTIES OF AQUEOUS POLYMER SOLUTIONS THAT SERVE THE POLYMER
DE4338870C1 (en) * 1993-11-13 1994-11-17 Rwe Dea Ag Polymer flooding process for the recovery of oil from underground deposits
DE4402547C1 (en) * 1994-01-28 1995-03-23 Stockhausen Chem Fab Gmbh Apparatus and process for dissolving water-soluble, pulverulent polymers

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5139087A (en) * 1991-05-31 1992-08-18 Union Oil Company Of California Method for ensuring injectivity of polymer solutions

Also Published As

Publication number Publication date
FR2398769B1 (en) 1982-08-20
DE2733852A1 (en) 1979-02-08
AT365737B (en) 1982-02-10
FR2398769A1 (en) 1979-02-23
DE2733852C3 (en) 1980-10-09
DE2733852B2 (en) 1980-02-21
GB2001999B (en) 1982-02-17
ATA548178A (en) 1981-06-15
CA1102030A (en) 1981-05-26

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19920727