Removal of asphaltene depositions with amine- activated...

Details Removal of asphaltene depositions with amine- activated... Removal of asphaltene depositions with amine- activated...

E - Fixed Constructions

21

B

31/30, 166/54, 1

E21B 37/06 (2006.01) C09K 8/524 (2006.01)

Patent

CA 1177432

ABSTRACT OF THE DISCLOSURE A method for treating and removing unwanted asphaltene deposits from oil and gas wells, surface equip- ment, flow lines, and pore spaces of oil-bearing forma- tions comprises treatment with an amine-activated alip- hatic disulfide oil as an asphaltene solvent. In a preferred aspect, the aliphatic disulfide oil is a dialkyl disulfide oil and is activated by the addition of 10 weight percent of diethylamine. In a specific use, the activated disulfide oil is used to remove asphaltene depo- sits from an oil-bearing formation and a producing well penetrating the formation. 82057ART0178

401119

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