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GB1439248A - Process for the recovery of oil - Google Patents

Process for the recovery of oil

Info

Publication number
GB1439248A
GB1439248A GB5430373A GB5430373A GB1439248A GB 1439248 A GB1439248 A GB 1439248A GB 5430373 A GB5430373 A GB 5430373A GB 5430373 A GB5430373 A GB 5430373A GB 1439248 A GB1439248 A GB 1439248A
Authority
GB
United Kingdom
Prior art keywords
oil
polymer
displacing fluid
aqueous solution
mobility control
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
GB5430373A
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.)
Dow Chemical Co
Marathon Oil Co
Original Assignee
Dow Chemical Co
Marathon Oil Co
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 Dow Chemical Co, Marathon Oil Co filed Critical Dow Chemical Co
Priority to GB5430373A priority Critical patent/GB1439248A/en
Publication of GB1439248A publication Critical patent/GB1439248A/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
    • C09K8/58—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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)

Abstract

1439248 Secondary recovery from wells DOW CHEMICAL CO and MARATHON OIL CO 22 Nov 1973 54303/73 Heading E1F A process for recovering oil from a subterranean formation comprises introducing through one or more input wells a displacing fluid, and a flooding medium which comprises an aqueous solution of a mobility control polymer having a M.W. of at least 1.5 x 10<SP>6</SP>, an aqueous solution of a polymer conserving agent being introduced prior to or concurrently with the displacing fluid; the mobility control polymer and the polymer conserving agent are selected from the group defined by the general formula: Z being greater than 200 in the former and less than 70 in the latter. The displacing fluid is an oil and water emulsion or a micellar dispersion.
GB5430373A 1973-11-22 1973-11-22 Process for the recovery of oil Expired GB1439248A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB5430373A GB1439248A (en) 1973-11-22 1973-11-22 Process for the recovery of oil

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB5430373A GB1439248A (en) 1973-11-22 1973-11-22 Process for the recovery of oil

Publications (1)

Publication Number Publication Date
GB1439248A true GB1439248A (en) 1976-06-16

Family

ID=10470577

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5430373A Expired GB1439248A (en) 1973-11-22 1973-11-22 Process for the recovery of oil

Country Status (1)

Country Link
GB (1) GB1439248A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0044508A3 (en) * 1980-07-19 1982-04-14 Cassella Aktiengesellschaft High-molecular weight water-soluble polymers, their preparation and their use
EP0094898A3 (en) * 1982-05-14 1985-01-02 The Goodyear Tire & Rubber Company An injection water viscosifier for enhanced oil recovery
GB2213850A (en) * 1987-12-22 1989-08-23 Exxon Research Engineering Co Enhanced oil recovery process

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0044508A3 (en) * 1980-07-19 1982-04-14 Cassella Aktiengesellschaft High-molecular weight water-soluble polymers, their preparation and their use
EP0094898A3 (en) * 1982-05-14 1985-01-02 The Goodyear Tire & Rubber Company An injection water viscosifier for enhanced oil recovery
GB2213850A (en) * 1987-12-22 1989-08-23 Exxon Research Engineering Co Enhanced oil recovery process
GB2213850B (en) * 1987-12-22 1992-01-15 Exxon Research Engineering Co Enhanced oil recovery process

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Legal Events

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