Earth boring – well treating – and oil field chemistry – Well treating – Contains organic component
Reexamination Certificate
2007-07-17
2008-10-07
Gulakowski, Randy (Department: 1796)
Earth boring, well treating, and oil field chemistry
Well treating
Contains organic component
C507S131000, C507S137000, C507S138000, C516S027000, C516S029000
Reexamination Certificate
active
07432230
ABSTRACT:
A superior powder form of a metallic soap for enhancing the properties of an invert emulsion drilling fluid may be prepared by a dry process saponification reaction. The process includes mixing a source of metal cations with the product of a Diels-Alder reaction of dienophiles with fatty acids and/or resin acids and allowing the mixture to react. Heating the mixture increases the rate of reaction. The solid product is ground to form a powder. The properties of the drilling fluid that may be improved by adding the soap include filtration control, fluid loss control, emulsification and emulsion stability, and electrical stability.
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Gulakowski Randy
Halliburton Energy Service, Inc.
Roddy Craig W.
Toscano Alicia M
Tripp Karen
LandOfFree
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