Microemulsifiers and methods of making and using same

Details Microemulsifiers and methods of making and using same Microemulsifiers and methods of making and using same

2011-06-14

2011-06-14

Kugel, Timothy J. (Department: 1765)

Earth boring, well treating, and oil field chemistry

Preventing contaminant deposits in petroleum oil conduits

C166S305100, C507S240000, C507S245000, C507S257000, C507S265000, C507S266000, C516S053000, C516S067000, C516S072000

Reexamination Certificate

active

07960314

ABSTRACT:
A method comprising contacting a zwitterionic surfactant, co-surfactant, and water to form a microemulsifier, and contacting the microemulsifier with an oleaginous fluid under low shear conditions to form a microemulsion. A method comprising introducing a first wellbore servicing fluid comprising at least one oleaginous fluid into a wellbore, wherein the first wellbore servicing fluid forms oil-wet solids and/or oil-wet surfaces in the wellbore, and contacting the oil-wet solids and/or oil-wet surfaces in the wellbore with a second wellbore servicing fluid comprising a zwitterionic surfactant, a co-surfactant, and a brine to form a microemulsion.

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