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Application

97107919/03, 1997-05-13

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Actual filing date

1997-05-13

(45)

Published

1998-12-20

(72)

Inventor

Saunin V.I.Vjakhirev V.I.Verkhovskaja N.N.Ippolitov V.V.Kashkarov N.G.Shtol' V.F.

(73)

Holder

Tjumenskij Nauchno-Issledovatel'Skij I Proektnyj Institut Prirodnogo Gaza I Gazovykh Tekhnologij

DRILLING FLUID Russian patent published in 1998 - IPC

Abstract RU 2123511 C1

FIELD: hole drilling. SUBSTANCE: invention relates to an aqueous-base composition solutions used for stratum opening and hole finishing. Drilling fluid has, %: clay 6-8; powder-like sodium methylethylsiliconate 0.1-0.3; highly substituted carboxymethylated polymer 0.2-0.3, and water - the rest. EFFECT: increased productivity. 3 tbl

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RU 2 123 511 C1

Authors

Saunin V.I.

Vjakhirev V.I.

Verkhovskaja N.N.

Ippolitov V.V.

Kashkarov N.G.

Shtol' V.F.

Dates

1998-12-20—Published

1997-05-13—Filed

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