Surfactant package for well treatment and method for using same

Wells – Processes – Cleaning or unloading well

Reexamination Certificate

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Details

C507S240000, C507S247000, C507S253000, C507S254000, C516S053000, C516S057000, C516S058000, C516S076000

Reexamination Certificate

active

07854263

ABSTRACT:
A surfactant blend for servicing wells includes a first non-ionic surfactant having a hydrophilic-lipophilic balance of between about 10 and about 15; a second non-ionic surfactant having a hydrophilic-lipophilic balance of between about 2 and about 6; and an anionic surfactant.

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