METHOD FOR TREATMENT OF FACE-ADJACENT WELL AREA Russian patent published in 2005 - IPC

Abstract RU 2244808 C1

FIELD: oil and gas extractive industry.

SUBSTANCE: method includes lowering assemblage with brushes on tubing column into perforation interval. Interval is filled with chemically active environment. By driving tubing column, assemblages are rotated and concurrently reciprocally displaced. Inter-tubular space is separated above perforation range. Bed is drained with forming of sign-alternating liquid displacement in perforation interval and weak depression pulses. Washing out of treatment products is performed by pumping out reaction products with dirt through apertures in the brush.

EFFECT: higher efficiency.

1 ex, 2 dwg

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RU 2 244 808 C1

Authors

Lykov V.I.

Vafin R.V.

Gimaev I.M.

Egorov A.F.

Mardanov M.Sh.

Dates

2005-01-20—Published

2004-02-17—Filed