METHOD OF WELL OPERATION Russian patent published in 2002 - IPC

Abstract RU 2186203 C2

FIELD: oil and gas producing industry, particularly, development of single-formation and multiformation producing horizons. SUBSTANCE: method involves using of multistring structures with string perforated out of well. Said structures are secured with removable anchors with airtight medium separators and isolated with injected hydraulic seals. Multiformation producing horizons are alternately operated from top down, from branches of main (parent) wellbore. After operation of formation, it is conserved. Conditions are provided for product accumulation in zone of its withdrawal by lowering of cone of underlying waters. After operation of the last power producing formation, it is also conserved and upper from atop producing formation is operated again after removal it from conservation. EFFECT: ecological safety of well, reduced consumption of power resources and multiple operation of producing formations. 5 cl, 1 dwg

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RU 2 186 203 C2

Authors

Kalmykov G.I.

Nugaev R.Ja.

Gumerov A.G.

Rosljakov A.V.

Gibadullin N.Z.

Vetsler V.Ja.

Tajgin E.V.

Gaskarov N.S.

Gejmash G.I.

Khamitov R.A.

Tkachev V.F.

Nigmatullin R.I.

Shadrin V.Ju.

Sajfullin N.R.

Sitdikov G.A.

Giljazov R.M.

Galimov T.Kh.

Gofman V.D.

Nurkaev V.N.

Dates

2002-07-27Published

2000-10-02Filed