Earth boring – well treating – and oil field chemistry – Earth boring – Contains organic component
Reexamination Certificate
2006-01-24
2006-01-24
Tucker, Philip C. (Department: 1712)
Earth boring, well treating, and oil field chemistry
Earth boring
Contains organic component
C507S129000, C507S133000, C507S239000, C507S244000, C507S246000, C507S128000, C507S237000, C507S238000, C516S027000
Reexamination Certificate
active
06989354
ABSTRACT:
An invert emulsion fluid, method for making same, and method for using same as a servicing fluid in a well bore. The invert emulsion fluid contains an oleaginous fluid, a non-oleaginous fluid, and an emulsifier comprising one or more amines generally represented by the formula:wherein R is a cycloaliphatic hydrocarbon, each R′ may be the same or different and is H or an alkyl having from about 1 to about 3 carbon atoms, each A may be the same or different and is NH or O, and the sum of x and y ranges from about 1 to about 20. In a preferred embodiment, R is a radical selected from the group consisting of abietyl, dihydroabietyl, tetrahydroabietyl, and dehydroabietyl, R′ is H, and A is O.
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Foster Ryan M.
Taylor Robert S.
Thaemlitz Carl J.
Conley & Rose, P.C.
Halliburton Energy Service,s Inc.
Roddy Craig W.
Tucker Philip C.
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