Wells – Processes – Cleaning or unloading well
Reexamination Certificate
2007-10-09
2007-10-09
Glessner, Brian E. (Department: 3676)
Wells
Processes
Cleaning or unloading well
Reexamination Certificate
active
11424987
ABSTRACT:
Methods of removing a fluid from a well bore with a chemical wash composition, and more particularly, methods of using chemical wash compositions comprising water, a sulfonated lignin, and a taurate are provided. In one embodiment, a method of at least partially removing a fluid from a well bore surface is provided that comprises: providing a chemical wash composition comprising water, a sulfonated lignin, and a taurate; and contacting the well bore surface with the chemical wash composition to thereby at least partially remove the fluid from the well bore surface.
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Chatterji Jiten
Dealy Sears T.
Fletcher Yoder
Glessner Brian E.
Leonard Kerry W.
Roddy Craig W.
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