RU95110335A - METHOD FOR PROCESSING OIL DEPOSIT LAYER - Google Patents

METHOD FOR PROCESSING OIL DEPOSIT LAYER

Info

Publication number
RU95110335A
RU95110335A RU95110335/03A RU95110335A RU95110335A RU 95110335 A RU95110335 A RU 95110335A RU 95110335/03 A RU95110335/03 A RU 95110335/03A RU 95110335 A RU95110335 A RU 95110335A RU 95110335 A RU95110335 A RU 95110335A
Authority
RU
Russia
Prior art keywords
polyvalent metal
alcohol
processing oil
water
deposit layer
Prior art date
Application number
RU95110335/03A
Other languages
Russian (ru)
Other versions
RU2112874C1 (en
Inventor
А.Ю. Рыскин
В.Г. Беликова
Р.Г. Рамазанов
Original Assignee
Научно-производственное товарищество с ограниченной ответственностью "Нафта-С"
Filing date
Publication date
Application filed by Научно-производственное товарищество с ограниченной ответственностью "Нафта-С" filed Critical Научно-производственное товарищество с ограниченной ответственностью "Нафта-С"
Priority to RU95110335A priority Critical patent/RU2112874C1/en
Priority claimed from RU95110335A external-priority patent/RU2112874C1/en
Publication of RU95110335A publication Critical patent/RU95110335A/en
Application granted granted Critical
Publication of RU2112874C1 publication Critical patent/RU2112874C1/en

Links

Claims (1)

Способ обработки пласта нефтяных месторождений путем закачки в пласт водного раствора анионного полимера, неорганической или органической кислоты, растворимой в воде, и соли поливалентного металла, отличающийся тем, что закачиваемая композиция дополнительно содержит алифатический или ароматический спирт или продукты, их содержащие, причем перед введением соли поливалентного металла в водный раствор полимера дозируют спирт и доводят pH реакционной массы до 0,5 - 2,5 путем добавления кислоты, а водный раствор анионного полимера, спирта и соли поливалентного металла берут при следующем содержании компонентов, мас.%:
Водорастворимый полимер - 0,005 - 5,0
Алифатический или ароматический спирт - 0,1 - 60,0
Соль поливалентного металла - 0,002 - 0,20
Вода - ОстальноеA method of treating a reservoir of oil fields by injecting into the reservoir an aqueous solution of an anionic polymer, an inorganic or organic acid, soluble in water, and a polyvalent metal salt, characterized in that the injected composition further comprises an aliphatic or aromatic alcohol or products containing them, and before the introduction of salt polyvalent metal in an aqueous polymer solution, alcohol is metered and the pH of the reaction mixture is adjusted to 0.5 to 2.5 by adding acid, and an aqueous solution of an anionic polymer, alcohol and whether the polyvalent metal is taken at the following content of components, wt.%:
Water soluble polymer - 0.005 - 5.0
Aliphatic or aromatic alcohol - 0.1 - 60.0
Polyvalent metal salt - 0.002 - 0.20
Water - Else
RU95110335A 1995-06-19 1995-06-19 Method for treating oil bed in deposits RU2112874C1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
RU95110335A RU2112874C1 (en) 1995-06-19 1995-06-19 Method for treating oil bed in deposits

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
RU95110335A RU2112874C1 (en) 1995-06-19 1995-06-19 Method for treating oil bed in deposits

Publications (2)

Publication Number Publication Date
RU95110335A true RU95110335A (en) 1997-07-10
RU2112874C1 RU2112874C1 (en) 1998-06-10

Family

ID=20169092

Family Applications (1)

Application Number Title Priority Date Filing Date
RU95110335A RU2112874C1 (en) 1995-06-19 1995-06-19 Method for treating oil bed in deposits

Country Status (1)

Country Link
RU (1) RU2112874C1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2547528C2 (en) * 2012-09-13 2015-04-10 Научно-Исследовательский И Проектный Институт Нефти И Газа (Нипинг) Multipurpose gel-forming composition
RU2562634C2 (en) * 2013-12-24 2015-09-10 Айдар Алмазович Газизов Reservoir recovery improvement method

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