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US 8,770,287 B2Granted
Defoaming agent compositions and methods of making and using same
AssigneeHalliburton Energy Services, Inc.
InventorKenneth W. Pober
Life of this patent
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Abstract
A method of servicing a wellbore in a subterranean formation comprising placing a foamed wellbore servicing fluid into a wellbore; flowing the foamed wellbore servicing fluid back to the wellbore surface; and contacting the foamed wellbore servicing fluid with an immobilized defoaming agent structure comprising an inert substrate and a defoamer. A system comprising a foamed wellbore servicing fluid in contact with a de-foaming structure, wherein the de-foaming structure comprises a defoamer covalently bonded to an inert substrate.
Claims22
A method of servicing a wellbore in a subterranean formation comprising:
- placing a foamed wellbore servicing fluid into a wellbore;
- flowing the foamed wellbore servicing fluid back to the wellbore surface;
- and
- contacting the foamed wellbore servicing fluid with an immobilized defoaming agent structure comprising an inert substrate and a defoamer.
1 more element
Dependencies are inferred from the claim text.