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2 169 826

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C1

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IPC

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Application

2000123406/03, 2000-09-11

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Start date

2000-09-11

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Actual filing date

2000-09-11

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Published

2001-06-27

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Inventor

Bogomol'Nyj E.I.Kamenshchikov F.A.Borisov A.P.Maljugin V.M.Chernykh N.L.Sokolov V.S.

(73)

Holder

Otkrytoe Aktsionernoe Obshchestvo

EXPANDABLE PLUGGING MATERIAL Russian patent published in 2001 - IPC

Abstract RU 2169826 C1

FIELD: well drilling. SUBSTANCE: expandable plugging material for oil, gas, and other wells is composed of, weight parts: Portland cement, 100; aluminum powder, 0.5-2.5; surfactant: sulfonic acids of general formula R-SOnH, wherein n= 3-4, and R = CmH(2m+1) or CmH(2m+1)-C6H4, wherein m=12- 14, 0.4-3, in aromatic solvent, 1.5-8; and water, 70-90. EFFECT: improved quality of insulation and widened hardening time range. 1 tbl, 2 ex

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RU 2 169 826 C1

Authors

Bogomol'Nyj E.I.

Kamenshchikov F.A.

Borisov A.P.

Maljugin V.M.

Chernykh N.L.

Sokolov V.S.

Dates

2001-06-27—Published

2000-09-11—Filed

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