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2 202 033

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(51)

IPC

(21) (22)

Application

2001116810/03, 2001-06-15

(24)

Start date

2001-06-15

(22)

Actual filing date

2001-06-15

(45)

Published

2003-04-10

(72)

Inventor

Pavlychev V.N.Umetbaev V.G.Prokshina N.V.Emaletdinova L.D.Nazmetdinov R.M.

(73)

Holder

Dochernee Obshchestvo S Ogranichennoj Otvetstvennost'Ju Nauchno-Issledovatel'Skij I Proektnyj Institut Nefti" Otkrytogo Aktsionernogo Obshchestva Ank

GROUTING COMPOSITION Russian patent published in 2003 - IPC

Abstract RU 2202033 C2

FIELD: oil and gas production. SUBSTANCE: grouting composition for cementing wells in hydrogen sulfide medium contains 59.0-65.0% of Portland cement, 3.0-12.0% of sulfur or pyrite, 5-10% calcium chloride solution or 5-10% solution of solid sulfur production waste, and water as tempering liquid. EFFECT: improved quality of cement stone and simplified preparation technology. 3 cl, 1 tbl

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RU 2 202 033 C2

Authors

Pavlychev V.N.

Umetbaev V.G.

Prokshina N.V.

Emaletdinova L.D.

Nazmetdinov R.M.

Dates

2003-04-10—Published

2001-06-15—Filed