Process and apparatus for eliminating oil field waste pits

Details Process and apparatus for eliminating oil field waste pits Process and apparatus for eliminating oil field waste pits

1987-02-25

1988-09-27

Fisher, Richard V.

Liquid purification or separation

Processes

Chemical treatment

210774, 210805, 210182, 210187, 210202, 210207, 210241, 210513, 208188, B01D 17028, B01D 17032, B01D 1705, B01D 1709

Patent

active

047740078

ABSTRACT:
The apparatus provides for a housing mountable on a trailer for conducting the process in-situ. A pump withdraws substantially all hydrocarbon-contaminated matter from the oil waste pit and delivers it into a lower chamber formed in the housing, wherein the hydrocarbon-contaminated matter is separated from the heavy solid particles and heavy salt water. The hydrocarbon-containing mixture, after being separated in the lower housing is delivered into the upper chamber formed in the housing and heated to facilitate separation, by gravity, of hydrocarbons, water and fine particles into various layers for subsequent withdrawal from the housing. The process of withdrawal of the hydrocarbon-contaminated mixture continues until hydrocarbon content of the oil waste pit is reduced to such degree that the waste pit becomes substantially hydrocarbon-free and is environmentally safe.

REFERENCES:
patent: 2927950 (1960-03-01), Mertes et al.
patent: 3296117 (1967-01-01), Ross et al.
patent: 3920552 (1975-11-01), Elkern
patent: 4153553 (1979-05-01), Davis
patent: 4396504 (1983-08-01), Tannehill
patent: 4515684 (1985-05-01), Brown
patent: 4582593 (1986-04-01), Bialek

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