PROCEDURE FOR DEVELOPMENT OF OIL DEPOSIT Russian patent published in 2011 - IPC E21B43/20 

Abstract RU 2418943 C1

FIELD: oil and gas production.

SUBSTANCE: procedure consists in drilling pressure and producing wells. Upon pumping plugging-back solution below water-oil contact oil is withdrawn above the level of oil-water contact through producers on tops of dome-shaped highs. Following treatment with chemical reagents working substance is pumped via pressure wells hydro-dynamically communicated with the given wells within the boundaries of the given payout bed. Below oil-water contact plugging-back solution in form of hydrophilic polymer is additionally pumped through the pressure wells and producers simultaneously. Working substance is pumped into the pressure wells above water-oil contact. Chemical reagents are pumped into producers above water-oil contact cyclically in form of gas or gaseous fluid.

EFFECT: decreased oil watering due to reduced volume of water ingress to bottomhole; raised yield of reservoir without additional exposure of producer above packer.

4 dwg

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RU 2 418 943 C1

Authors

Ibatullin Ravil' Rustamovich

Fajzullin Ilfat Nagimovich

Ramazanov Rashit Gaznavievich

Strakhov Dmitrij Vital'Evich

Zijatdinov Radik Zjauzjatovich

Osnos Vladimir Borisovich

Dates

2011-05-20Published

2010-04-16Filed