Method for removal of paraffin from producing oil wells

Details Method for removal of paraffin from producing oil wells Method for removal of paraffin from producing oil wells

1987-09-17

1989-03-21

Suchfield, George A.

Wells

Processes

Separating material entering well

166304, 166312, 252 8552, E21B 4322, E21B 4340

Patent

active

048134821

ABSTRACT:
A method for removing paraffin from a producing oil well comprising (a) contacting a mixture of a paraffin-dispersing effective amount of an alkyl or aralkyl polyoxyalkylene phosphate ester surfactant in the free acid form, or in the form of the alkali metal, amine, or ammonium salt, a mutual solvent and water, said mixture having a temperature of from about 30.degree. to 40.degree. F. higher than the melting point of the paraffin to be removed, with the interior of the oil well for a period of time sufficient to disperse paraffin within the well into the mixture; and (b)removing the mixture and the paraffin dispersed therein from the interior of the well.

REFERENCES:
patent: 1223659 (1917-04-01), Barnickel
patent: 3435898 (1969-04-01), Thompson
patent: 4174751 (1979-11-01), Compton
patent: 4207193 (1980-06-01), Ford et al.
patent: 4278129 (1981-07-01), Walton
patent: 4393935 (1983-07-01), Walton
patent: 4541483 (1985-09-01), Walton
patent: 4668408 (1987-05-01), McClaflin et al.
patent: 4706749 (1987-11-01), Hayes et al.

Affiliated with

Also associated with

Rating

Method for removal of paraffin from producing oil wells does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Method for removal of paraffin from producing oil wells, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Method for removal of paraffin from producing oil wells will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-471271