WATER INFLOW SHUT-OFF COMPOSITION FOR OIL AND GAS WELLS Russian patent published in 2007 - IPC C09K8/44 C09K8/514 

Abstract RU 2301246 C2

FIELD: oil and gas production.

SUBSTANCE: composition contains 0.5-10.0% carboxymethylcellulose (9H4FX), 0.1-1.0% oil-soluble polyvalent metal derivative, 0.01-0.5% nonionic surfactant (OP-10 or Neonol), and balancing amount of diesel fuel.

EFFECT: enhanced oil recovery of hydrocarbon deposits and stabilized running of underground gas storages in gas-extraction cycles owing to restricted water inflow into wells and prolonged period of water-free operation of oil and gas wells.

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RU 2 301 246 C2

Authors

Shul'Ev Jurij Viktorovich

Beketov Sergej Borisovich

Serov Aleksandr Vladimirovich

Kosjak Anatolij Jur'Evich

Afanas'Ev Akhnaf Vasil'Evich

Dimitriadi Julianna Konstantinovna

Dates

2007-06-20Published

2005-08-25Filed