C - Chemistry – Metallurgy – 09 – K
Patent
C - Chemistry, Metallurgy
09
K
C09K 8/22 (2006.01)
Patent
CA 2046879
2046879 9010043 PCTABS00002 A water-based drilling mud additive comprising a pre-blended combination of about 2 parts of high softening point uintaite, about 1 part of a lower softening point uintaite, about 1 part of causticized lignite, and a strongly lipophilic, non-ionic surfactant is disclosed. This composition decreases shale sloughing and borehole instability during drilling of wells.
Christensen K. Clark
Davis Neal II
Nuzzolo Michael
LandOfFree
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