Lost circulation fluid for oil field drilling operations

Details Lost circulation fluid for oil field drilling operations Lost circulation fluid for oil field drilling operations

1989-07-14

1991-02-05

Suchfield, George A.

Wells

Processes

With indicating, testing, measuring or locating

166294, 166295, 175 48, 175 65, 175 72, 252 8512, 252 8514, C09K 702, E21B 2106, E21B 2108, E21B 33138

Patent

active

049896733

ABSTRACT:
A flowing crosslinked polymer gel is employed as a lost circulation fluid in a process for reducing lost circulation during an oil field drilling operation. The lost circulation fluid comprises a carboxylate-containing polymer, a chromic carboxylate crosslinking agent, and an aqueous solvent.

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