METHOD FOR ERECTING ANTISEEPAGE SCREEN Russian patent published in 1994 - IPC

Abstract RU 2016958 C1

FIELD: environmental protection, particularly waterproofing of mud sumps used in drilling of oil and gas holes. SUBSTANCE: method involves digging slot-like trench, stepping back 0.5-1.0 m from prospective walls of sump. Then trench is filled with waterproofing material, the sump proper is dug out and its bottom is also lined with waterproofing material. EFFECT: higher efficiency.

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RU 2 016 958 C1

Authors

Bochkarev G.P.

Abdullin V.Kh.

Andreson B.A.

Galiakberov R.F.

Dates

1994-07-30Published

1993-04-02Filed