C - Chemistry – Metallurgy – 09 – K
Patent
C - Chemistry, Metallurgy
09
K
31/23
C09K 8/88 (2006.01) E21B 21/00 (2006.01)
Patent
CA 2016417
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.
Macrae & Co.
Marathon Oil Company
LandOfFree
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