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Application

97101072/03, 1997-01-27

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Actual filing date

1997-01-27

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Published

1998-07-27

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Inventor

Volochkov N.S.Gumerov O.A.Zejgman Ju.V.Istomin N.N.Mavljutov M.R.Muslimov R.Kh.Orlov G.A.Rogachev M.K.Semenova L.V.Syrkin A.M.Kharin A.Ju.Tsaplin Ju.M.

(73)

Holder

Ufimskij Gosudarstvennyj Neftjanoj Tekhnicheskij Universitet

FLUID FOR KILLING WELLS Russian patent published in 1998 - IPC

Abstract RU 2116327 C1

FIELD: oil and gas production. SUBSTANCE: objective of invention is to increase efficiency of well-killing fluid by way of preserving filtration characteristics of well-bottom rocks, creating favorable conditions for inflow of fluid to bottom during well-development period, and preserving composition of well product, while ensuring safety of repair work. Invention is distinguished by that, when preparing well-killing fluid based on hydrocarbon and water phases, industrial-grade triethanolamine and calcium chloride aqueous solution are used at following component ratio, in vol %: triethanolamine, 25-85 and water phase 65-75. EFFECT: increased productivity. 2 cl, 1 tbl

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RU 2 116 327 C1

Authors

Volochkov N.S.

Gumerov O.A.

Zejgman Ju.V.

Istomin N.N.

Mavljutov M.R.

Muslimov R.Kh.

Orlov G.A.

Rogachev M.K.

Semenova L.V.

Syrkin A.M.

Kharin A.Ju.

Tsaplin Ju.M.

Dates

1998-07-27—Published

1997-01-27—Filed

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