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2 317 312

(13)

(51)

IPC

C09K8/88(2006-01-01)

(21) (22)

Application

2006147406/03, 2006-12-25

(24)

Start date

2006-12-25

(22)

Actual filing date

2006-12-25

(45)

Published

2008-02-20

(72)

Inventor

Agliullin Ruslan RashitovichBashkirtsev Anton AlekseevichBashkirtseva Natal'Ja Jur'EvnaMannapov Gazinur MudarisovichRakhmatullin Rafaehl' RafkhatovichKhazimuratov Rafail KhanifovichKhalimov Rustam Khamisovich

(73)

Holder

Bashkirtseva Natal'Ja Jur'EvnaKhazimuratov Rafail Khanifovich

WATERPROOFING FORMULATION FOR TREATING BOTTOMHOLE FORMATION ZONE Russian patent published in 2008 - IPC C09K8/88

Abstract RU 2317312 C1

FIELD: oil and gas production.

SUBSTANCE: invention is directed to selectively shutting off water inflow to producing wells. Waterproofing formulation contains 0.05-10,0% ethylene/vinyl acetate copolymer as oil-soluble surfactant, 0.25-50.0% spent lubricating oil ("Orites") as gelling agent, and balancing amount of hydrocarbon.

EFFECT: enhanced adhesive properties, increased coverage of affected formation, reduced water content in produce, and increased oil recovery.

1 tbl, 21 ex

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RU 2 317 312 C1

Authors

Agliullin Ruslan Rashitovich

Bashkirtsev Anton Alekseevich

Bashkirtseva Natal'Ja Jur'Evna

Mannapov Gazinur Mudarisovich

Rakhmatullin Rafaehl' Rafkhatovich

Khazimuratov Rafail Khanifovich

Khalimov Rustam Khamisovich

Dates

2008-02-20—Published

2006-12-25—Filed