PROCEDURE FOR RESTRAINT OF WATER PRODUCTION IN WELL Russian patent published in 2011 - IPC E21B33/138 C09K8/506 

Abstract RU 2431735 C1

FIELD: oil and gas production.

SUBSTANCE: procedure for restraint of water production in well consists in pumping solution of CL (cultural liquid) into insulated interval. Two equal portions are pumped. The first portion corresponds to solution of CL prepared on soft water of 1000 kg/m3 density at ratio 1:0.5-1, while the second one corresponds to solution prepared on reservoir mineralised water of density up to 1190 kg/m3 at ratio 1:0.3-0.5.

EFFECT: raised efficiency of repair-insulation operations due to creation of more resistant to water outbreak screen of water solutions of silicon-organic liquid - CL with controlled period of gelation excluding their preliminary hardening.

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RU 2 431 735 C1

Authors

Kadyrov Ramzis Rakhimovich

Khasanova Dil'Barkhon Kelamedinovna

Zhirkeev Aleksandr Sergeevich

Sakhapova Al'Fija Kamilevna

Andreev Vladimir Aleksandrovich

Dates

2011-10-20Published

2010-04-19Filed