Aqueous drilling fluid

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United States of America Patent

PATENT NO 4212794
SERIAL NO

05853057

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Abstract

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This invention relates to an aqueous drilling fluid containing a tall oil fraction as a lubricating additive, a method of drilling with said drilling fluid containing said tall oil lubricating additive and the tall oil lubricating additive per se.

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Patent Owner(s)

  • DEUTSCHE TEXACO AKTIENGESELLSCHAFT;RWE-DEA AKTIENGESELLSCHAFT FUR MINERALOEL UND CHEMIE

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Grodde, Karl-Heinz Celle, DE 4 31
Schulz, Alfred Hornbostel, DE 25 528

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