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Application

97119216/03, 1997-11-04

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Actual filing date

1997-11-04

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Published

1999-12-27

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Inventor

Andreson B.A.Bochkarev G.P.Mudarisov M.I.Asmolovskij V.S.Knjazev V.I.Titov V.M.Plotnikov I.G.Kabirov B.Z.Khakimov F.Sh.Fatkhutdinov I.Kh.Voronin A.V.Fidel'Man V.G.

(73)

Holder

Neftegazodobyvajushchee Upravlenie

DRILLING MUD Russian patent published in 1999 - IPC

Abstract RU 2143455 C1

FIELD: oil and gas production. SUBSTANCE: drilling mud contains, wt.% clay, 5-15; stabilizing reagent, 0.5-1.5; calcium carbonate obtained by treating limestone with triethylamine, 15-50; and water, the balance. EFFECT: improved quality of formation exposing due to increased permeability restoration coefficient with simultaneously preserved high biological and sedimentation stability of solution. 4 tbl, 3 ex

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RU 2 143 455 C1

Authors

Andreson B.A.

Bochkarev G.P.

Mudarisov M.I.

Asmolovskij V.S.

Knjazev V.I.

Titov V.M.

Plotnikov I.G.

Kabirov B.Z.

Khakimov F.Sh.

Fatkhutdinov I.Kh.

Voronin A.V.

Fidel'Man V.G.

Dates

1999-12-27—Published

1997-11-04—Filed

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