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US 2013/0153225 A1Published application
Compositions and Methods for Treatment of Well Bore Tar
AssigneeHalliburton Energy Services, Inc.
InventorsPhilip Wayne Livanec, Greg PJ Perez
Life of this patent
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Abstract
Of the many compositions and methods provided herein, one method includes contacting tar resident in a well bore with a tar stabilizer comprising an acrylonitrile-butadiene copolymer; and allowing the tar stabilizer to interact with the tar to at least partially reduce the tendency of the tar to adhere to a surface.
Claims24
A method for treatment of well bore tar comprising:
- contacting tar resident in a well bore with a tar stabilizer comprising an acrylonitrile-butadiene copolymer;
- and
- allowing the tar stabilizer to interact with the tar to at least partially reduce the tendency of the tar to adhere to a surface.
A method for treatment of well bore tar comprising:
- using a drill bit to enlarge a well bore in a subterranean formation comprising tar;
- and
- circulating a drilling fluid past the drill bit to remove cuttings from the drill bit, wherein the drilling fluid comprises an aqueous fluid and a tar stabilizer comprising an acrylonitrile-butadiene copolymer.
A treatment fluid comprising:
- an aqueous fluid;
- and
- an acrylonitrile-butadiene copolymer.
Dependencies are inferred from the claim text.