The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jan. 16, 2007
Filed:
May. 11, 2006
Juanita M. Cassidy, Duncan, OK (US);
Jim L. Lane, Duncan, OK (US);
Chad E. Kiser, Comanche, OK (US);
Juanita M. Cassidy, Duncan, OK (US);
Jim L. Lane, Duncan, OK (US);
Chad E. Kiser, Comanche, OK (US);
Halliburton Energy Services, Inc., Duncan, OK (US);
Abstract
The present invention relates to acidic treatment fluids that comprise an acid fluid and an ester-containing quaternary ammonium compound ('esterquat') and methods of their use. One embodiment of the present invention provides a method of inhibiting metal corrosion during a subterranean treatment operation comprising using an acidic treatment fluid comprising an acidic fluid and an esterquat. Another embodiment of the present invention provides a method of reducing sludge formation during a subterranean treatment operation formation comprising the step of using an acidic treatment fluid comprising an acidic fluid and an esterquat. Another embodiment of the present invention provides a method of inhibiting the formation of emulsions during a subterranean treatment operation comprising using an acidic treatment fluid comprising an acidic fluid and an esterquat. Another embodiment of the present invention provides an acidic subterranean treatment fluid comprising an acidic fluid and an esterquat.