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2 109 924

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IPC

(21) (22)

Application

96114834/03, 1996-07-23

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Actual filing date

1996-07-23

(45)

Published

1998-04-27

(72)

Inventor

Shcherbich N.E.Batalov D.M.Karmatskikh S.A.Kargapol'Tseva L.M.Polubabkin V.A.Sandakov A.V.Ippolitov V.V.Jankevich V.F.

(73)

Holder

Tjumenskij Gosudarstvennyj Nauchno-Issledovatel'Skij I Proektnyj Institut Prirodnykh Gazov I Gazovykh Tekhnologij

WEIGHTED PLUGGING SOLUTION Russian patent published in 1998 - IPC

Abstract RU 2109924 C1

FIELD: oil and gas production industry. SUBSTANCE: weighted plugging solution used for cementation of casing strings in deep oil and gas wells within intervals of abnormally high reservoir pressures and temperatures has following components, mass%: plugging-grade portland cement, 59.13-29.52; iron ore concentrate, 14.78-44.28; ferrochromiumlignosulfonate, 0.22-0.37; water, the balance. EFFECT: higher efficiency. 3 tbl

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RU 2 109 924 C1

Authors

Shcherbich N.E.

Batalov D.M.

Karmatskikh S.A.

Kargapol'Tseva L.M.

Polubabkin V.A.

Sandakov A.V.

Ippolitov V.V.

Jankevich V.F.

Dates

1998-04-27—Published

1996-07-23—Filed