Completion and workover fluids

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United States of America Patent

PATENT NO 4614601
SERIAL NO

06719391

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Abstract

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A completion and workover fluid is described, containing a soluble salt, a hydroxyethyl cellulose and at least one compound selected from 2-mercaptobenzimidazole compounds, 2-mercaptobenzothiazole compounds, 2-mercaptothiazoline and 2-thioimidazolidone.

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Patent Owner(s)

Patent OwnerAddress
NITTO CHEMICAL INDUSTRY CO LTDTOKYO

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Kanda, Shoichi Kanagawa, JP 21 140
Sekimoto, Yukihiko Saitama, JP 7 46
Yanagida, Makoto Tokyo, JP 17 250

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