Secondary emulsifiers for inverted emulsion fluids and...

Earth boring – well treating – and oil field chemistry – Earth boring – Contains organic component

Reexamination Certificate

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Details

C175S065000, C507S127000, C507S128000, C507S129000, C507S134000, C516S021000, C516S023000, C516S024000, C516S027000

Reexamination Certificate

active

07915203

ABSTRACT:
A new class of secondary emulsifying agents for use in inverted mud and other inverted system is disclosed and method for making and using same.

REFERENCES:
patent: 2008/0287324 (2008-11-01), Pursley et al.
patent: 2009/0200027 (2009-08-01), Kakadjian et al.
patent: 2009/0275488 (2009-11-01), Zamora et al.

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