WELL PRODUCTION METHOD Russian patent published in 2010 - IPC E21B43/04 

Abstract RU 2379485 C2

FIELD: oil-and-gas industry.

SUBSTANCE: well production method includes a gravel-slot filter creation in a well and the following regeneration in operation process. The gravel-slot filter creation includes the filter slot frame installation and finalising the installation by injection a gravel material. At that the slot frame made of an acid inertial material, execute the gravel material introduction from the beginning and during the process it injected as a silica and alkaline-earth metal carbonate mixed composition in a ratio 90-50% to 10-50% accordingly. Execute well regeneration during the operation with an acid in quantity of 20-40% of the gravel material mixture volume.

EFFECT: well operation efficiency increase due to the filter operation time increase, as result of its regeneration without pulling out of the hole.

5 cl, 1 dwg, 1 ex

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RU 2 379 485 C2

Authors

Sorokin Leonid Aleksandrovich

Sorokin Dmitrij Leonidovich

Sorokina Anna Leonidovna

Dates

2010-01-20Published

2007-12-21Filed