Method for removal and treatment of paraffin

Details Method for removal and treatment of paraffin Method for removal and treatment of paraffin

1998-07-30

2000-06-20

Mar, Michael

Wells

Processes

Dissolving or preventing formation of solid oil deposit

166170, 166311, E21B 3704

Patent

active

060766034

ABSTRACT:
A method of removing paraffin from a wellbore at a well site having production tanks includes the following steps of heating a scraper to at least about the melting temperature of paraffin; lowering the scraper into a wellbore and below a paraffin accumulation; pulling the scraper and paraffin upward into a lubricator means above a production tree; and using hot fluid and by manipulating valves, causing the paraffin to move from the lubricator means into a tank.

REFERENCES:
patent: 1439560 (1922-12-01), Lee
patent: 3438444 (1969-04-01), Wilkerson
patent: 4037660 (1977-07-01), Newsom et al.
patent: 4224993 (1980-09-01), Huckaby
patent: 4830111 (1989-05-01), Jenkins et al.
patent: 4836286 (1989-06-01), Edwards
patent: 4911240 (1990-03-01), Haney et al.
patent: 5168929 (1992-12-01), Galloway
patent: 5247994 (1993-09-01), Nenniger
patent: 5641022 (1997-06-01), King

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