Earth boring – well treating – and oil field chemistry – Earth boring – Contains organic component
Reexamination Certificate
2011-03-29
2011-03-29
Kugel, Timothy J. (Department: 1765)
Earth boring, well treating, and oil field chemistry
Earth boring
Contains organic component
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.
Falana Olusegun Matthew
Gilmer Arthur T.
Marshall Edward
Clearwater International LLC
Kugel Timothy J.
Strozier Robert W
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