COMPOSITION FOR ISOLATING WATER INFLUX IN GAS WELLS Russian patent published in 2025 - IPC C09K8/46 

Abstract RU 2833926 C1

FIELD: gas industry.

SUBSTANCE: invention relates to gas production industry, in particular to compositions used for isolation of water influx in gas and gas condensate wells, including those with subhorizontal shaft end. Composition for isolation of water influx in gas wells is characterized by the fact that it contains a gel formation regulator – citric acid or acid reagent “IsoSmart-M”, “Sumix” gelling agent, an acid thickener containing oxalic acid and an adhesive additive – potassium bromate or “IsoSmart-S” acid reagent, with the following ratio of ingredients, wt. %: citric acid or acid reagent “IsoSmart-M” 3-8, gelling agent “Sumix” 4-10, oxalic acid 1.0-3.5, potassium bromate 0.02-0.30 or acid reagent “IsoSmart-S” 2-6, water – the rest.

EFFECT: high insulating capacity of the composition and high technological effectiveness of its preparation.

1 cl, 1 tbl

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RU 2 833 926 C1

Authors

Pylev Evgenij Anatolevich

Melnikov Sergej Aleksandrovich

Kostyukov Sergej Vladimirovich

Minchenko Yuliya Sergeevna

Bogatyreva Elena Sergeevna

Dates

2025-01-31Published

2024-04-08Filed