Anionic compositions for sludge prevention and control during ac

Details Anionic compositions for sludge prevention and control during ac Anionic compositions for sludge prevention and control during ac

1993-01-21

1997-04-22

Lovering, Richard D.

Earth boring, well treating, and oil field chemistry

Well treating

Contains organic component

507261, 507266, 507923, 507930, 507933, 507934, C09K 700

Patent

active

056229216

ABSTRACT:
This invention relates to anionic compositions, containing an alkyl aryl sulfonic acid or salt thereof, a nonethoxylated glycol and an acetylenic alcohol in an alkyl alcohol solvent, that have proved effective for controlling sludge and emulsion formation during acid stimulation and treatment of hydrocarbon wells.

REFERENCES:
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patent: 4663059 (1987-05-01), Ford
patent: 4698168 (1987-10-01), Briggs
patent: 4823874 (1989-04-01), Ford
patent: 5034140 (1991-07-01), Gardner et al.
Delorey, J.R. and R.S. Taylor, "Recent Studies Into Iron/Surfactant/Sludge Interactions in Acidizing", Petroleum Society of CIM, 1986.
Delorey, John and Robert Taylor, "Iron/Surfactant/Crude Interactions--New Considerations in Acidizing", 3rd Brazilian Petroleum Congress, 1986.

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