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2 174 996

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IPC

(21) (22)

Application

2000101217/03, 2000-01-12

(24)

Start date

2000-01-12

(22)

Actual filing date

2000-01-12

(45)

Published

2001-10-20

(72)

Inventor

Andreson B.A.Bochkarev G.P.Kuznetsov V.A.Giljazov R.M.Jusupov R.A.Fatkhutdinov I.Kh.Mudarisov M.I.

(73)

Holder

Oao Aktsionernaja Neftjanaja Kompanija Bashneft'

DRILLING MUD Russian patent published in 2001 - IPC

Abstract RU 2174996 C2

FIELD: mining industry, more particularly pumping drilling mud down horizontal boreholes and sidelong shafts. SUBSTANCE: drilling mud comprises clay, stabilizer reagent, polyglycol, mineral salt such as potassium chloride water and reagent SSS based on monoethanol amine salt of tall oil and polyglycol. EFFECT: improved quality of stripping productive seam by increasing restoration coefficient of initial permeability thereof and inversion of wettability of porous medium of collector. 3 ex, 4 tbl

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RU 2 174 996 C2

Authors

Andreson B.A.

Bochkarev G.P.

Kuznetsov V.A.

Giljazov R.M.

Jusupov R.A.

Fatkhutdinov I.Kh.

Mudarisov M.I.

Dates

2001-10-20—Published

2000-01-12—Filed