Earth boring – well treating – and oil field chemistry – Earth boring – Contains organic component
Patent
1995-02-17
1997-03-04
Springer, David B.
Earth boring, well treating, and oil field chemistry
Earth boring
Contains organic component
507116, 507138, 507136, 166356, C09K 702, E21B 4325
Patent
active
056079010
ABSTRACT:
An environmentally acceptable, thermally insulating annular fluid comprised of a liquid which is non-aqueous, non-corrosive, and thermally insulating, a clay gellant, and a clay dispersant. A preferred packer fluid includes an ester originated from a vegetable or animal oil as at least a major portion of the liquid phase.
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Holt Jonathan
Smolen B. C.
Toups, Jr. John A.
Young David B.
Yousif Majeed H.
BP Exploration & Oil, Inc.
Springer David B.
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