RU2000119843A - METHOD OF INSULATION OF WATER INJECTOR IN OIL WELL - Google Patents

METHOD OF INSULATION OF WATER INJECTOR IN OIL WELL

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Publication number
RU2000119843A
RU2000119843A RU2000119843/03A RU2000119843A RU2000119843A RU 2000119843 A RU2000119843 A RU 2000119843A RU 2000119843/03 A RU2000119843/03 A RU 2000119843/03A RU 2000119843 A RU2000119843 A RU 2000119843A RU 2000119843 A RU2000119843 A RU 2000119843A
Authority
RU
Russia
Prior art keywords
oil well
polyacrylamide
salt
trivalent chromium
formation
Prior art date
Application number
RU2000119843/03A
Other languages
Russian (ru)
Other versions
RU2186939C2 (en
Inventor
Илгиз Мингарифович Насибуллин
Шафкат Мизбахович Юнусов
Рашат Самигуллович Касимов
Original Assignee
Илгиз Мингарифович Насибуллин
Filing date
Publication date
Application filed by Илгиз Мингарифович Насибуллин filed Critical Илгиз Мингарифович Насибуллин
Priority to RU2000119843A priority Critical patent/RU2186939C2/en
Priority claimed from RU2000119843A external-priority patent/RU2186939C2/en
Publication of RU2000119843A publication Critical patent/RU2000119843A/en
Application granted granted Critical
Publication of RU2186939C2 publication Critical patent/RU2186939C2/en

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Claims (2)

1. Способ изоляции водопритока в нефтяной скважине путем закачки в пласт водного раствора полиакриламида со сшивающим агентом-солью трехвалентного хрома, отличающийся тем, что предварительно перед закачкой раствора полиакриламида с солью трехвалентного хрома в пласт вводят жидкий углеводород.1. A method of isolating water inflow in an oil well by injecting an aqueous solution of polyacrylamide with a cross-linking agent-salt of trivalent chromium into the formation, characterized in that liquid hydrocarbon is introduced into the formation before injection of a solution of polyacrylamide with a salt of trivalent chromium. 2. Способ изоляции водопритока в нефтяной скважине путем закачки в пласт водного раствора полиакриламида со сшивающим агентом-солью трехвалентного хрома, отличающийся тем, что предварительно перед закачкой раствора полиакриламида с солью трехвалентного хрома в пласт вводят жидкий углеводород, а после - глинистую суспензию, а затем раствор полиакриламида совместно с солью трехвалентного хрома. 2. A method of isolating water inflow in an oil well by injecting an aqueous solution of polyacrylamide with a trivalent chromium salt crosslinking agent into the formation, characterized in that liquid hydrocarbon is introduced into the formation before the polyacrylamide solution with the trivalent chromium salt is injected into the formation, and then a clay suspension is added, and then a solution of polyacrylamide together with a salt of trivalent chromium.
RU2000119843A 2000-07-24 2000-07-24 Process of isolation of water inflow in oil well RU2186939C2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
RU2000119843A RU2186939C2 (en) 2000-07-24 2000-07-24 Process of isolation of water inflow in oil well

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
RU2000119843A RU2186939C2 (en) 2000-07-24 2000-07-24 Process of isolation of water inflow in oil well

Publications (2)

Publication Number Publication Date
RU2000119843A true RU2000119843A (en) 2002-06-20
RU2186939C2 RU2186939C2 (en) 2002-08-10

Family

ID=20238334

Family Applications (1)

Application Number Title Priority Date Filing Date
RU2000119843A RU2186939C2 (en) 2000-07-24 2000-07-24 Process of isolation of water inflow in oil well

Country Status (1)

Country Link
RU (1) RU2186939C2 (en)

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