Additive for enhanced treatment of oil well contaminants

Details Additive for enhanced treatment of oil well contaminants Additive for enhanced treatment of oil well contaminants

2006-10-03

2006-10-03

Tucker, Philip C. (Department: 1712)

Earth boring, well treating, and oil field chemistry

Well treating

Contains organic component

C507S260000, C507S266000, C510S188000, C510S477000, C510S506000

Reexamination Certificate

active

07115547

ABSTRACT:
The present invention relates to a chemical additive for use with treatment fluids suitable for removing contaminants from oil and gas wells. In one preferred embodiment, the additive includes: a first surface-active agent having an HLB in a range of about 5 to about 9; a second surface-active agent having an HLB in a range of about 11 to about 13; a third surface-active agent having an HLB in a range of about 14 to about 33; a coupling agent; and a coalescing solvent.

REFERENCES:
patent: 5780407 (1998-07-01), Van Slyke
patent: 5996692 (1999-12-01), Chan et al.
patent: 6100227 (2000-08-01), Burlew
patent: WO 01/23703 (2001-04-01), None

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