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2 082 872

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IPC

(21) (22)

Application

94007861/03, 1994-03-05

(22)

Actual filing date

1994-03-05

(45)

Published

1997-06-27

(72)

Inventor

Bortsov V.P.Baluev A.A.Bastrikov S.N.

(73)

Holder

Aktsionernoe Obshchestvo Otkrytogo Tipa Sibirskij Nauchno-Issledovatel'Skij Institut Neftjanoj Promyshlennosti

GROUTING MORTAR Russian patent published in 1997 - IPC

Abstract RU 2082872 C1

FIELD: well construction; may be used in well cementing. SUBSTANCE: grouting mortar contains, mass.p.: portland cement, 100; expanding additive NRS-1, 4-8; aluminium powder PAP-1, 0.2-0.5; anions surfactant - reagent ML-72, 0.015-0.025; nonionic surfactant, 0.015-0.025; plasticizer - nitrilotrimethylphosphonic acid, 0.02-0.05; water, 50. EFFECT: higher efficiency. 2 tbl

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RU 2 082 872 C1

Authors

Bortsov V.P.

Baluev A.A.

Bastrikov S.N.

Dates

1997-06-27—Published

1994-03-05—Filed

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