GELLING AGENT FOR INSULATION OF WATER INFLUX IN WELL Russian patent published in 2015 - IPC E21B33/138 C09K8/512 

Abstract RU 2559233 C1

FIELD: oil and gas industry.

SUBSTANCE: agent comprises the components in the following ratio of wt %: reagent RIKOR - 3.0-4.0; LAPROXID DEG-1 - 1.5-2.0; water - the rest. Preparation of the agent consists in previous dissolving of the reagent RIKOR in the estimated amount of water. Then, in the resultant solution LAPROXID DEG-1 is dissolved to obtain a homogeneous composition.

EFFECT: increased efficiency of insulation of water influx in the well due to improving the heat resistance of the resulting gel in time during its interaction with low-mineralised formation water and increasing the duration of insulation.

10 ex, 1 tbl

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RU 2 559 233 C1

Authors

Karpov Valerij Borisovich

Kokorev Valerij Ivanovich

Darishchev Viktor Ivanovich

Kharlanov Sergej Anatol'Evich

Dedechko Vasilij Aleksandrovich

Sorkin Aleksandr Jakovlevich

Stupochenko Vladimir Evgen'Evich

Parfenova Galina Ivanovna

Sukhotin Aleksandr Evgen'Evich

Pavlova Larisa Vladimirovna

Dates

2015-08-10Published

2014-04-24Filed