Wells – Processes – Material placed in pores of formation to treat resident...
Reexamination Certificate
2007-01-16
2007-01-16
Suchfield, George (Department: 3676)
Wells
Processes
Material placed in pores of formation to treat resident...
C166S307000, C166S310000, C507S240000, C507S244000, C507S267000, C507S277000, C507S933000
Reexamination Certificate
active
11432696
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.
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Cassidy Juanita M.
Kiser Chad E.
Lane Jim L.
Baker & Botts
Halliburton Energy Service,s Inc.
Kent Robert A.
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