C - Chemistry – Metallurgy – 09 – K
Patent
C - Chemistry, Metallurgy
09
K
C09K 8/04 (2006.01) C09K 8/524 (2006.01) E21B 21/06 (2006.01)
Patent
CA 2719610
Fluids useful in drilling through high oil viscosity formations containing tar, sand and oil entrained therein are disclosed. The fluids comprise standard viscosifying and fluid loss additives along with effective concentration of an additive that may prevent the adherence of heavy oil laden drill cuttings to metal surfaces of drilling equipment.
Bennett Jones Llp
Brine-Add Fluids Ltd.
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