Boring or penetrating the earth – Processes – Chemical reaction with earth formation or drilling fluid...
Reexamination Certificate
2007-12-25
2007-12-25
Suchfield, George (Department: 3676)
Boring or penetrating the earth
Processes
Chemical reaction with earth formation or drilling fluid...
C175S065000, C166S312000, C507S140000, C507S910000, C507S930000
Reexamination Certificate
active
11027313
ABSTRACT:
The present invention relates to methods and compositions for use in subterranean operations. More particularly, the present invention relates to additives comprising one or more silicates used to treat tar resident in a well bore, and methods of use. In one embodiment, the present invention provides a method of treating tar resident in a well bore comprising providing a tar-treating additive comprising one or more silicates introducing the tar-treating additive into the well bore; and allowing the tar-treating additive to react with the tar resident in the well bore so as to at least partially reduce the adhesiveness of the tar.
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Baker Botts LLC
Halliburton Energy Service,s Inc.
Roddy Craig W.
Suchfield George
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