Oil well spill trough

Details Oil well spill trough Oil well spill trough

1991-05-13

1992-06-16

Dang, Hoang C.

Wells

Processes

Assembling well part

166 81, E21B 3308

Patent

active

051217961

ABSTRACT:
Spills from an oil well are caught in a basin surrounding the oil well casing. The basin is drained from the bottom through a conduit connected to a tank. A vacuum is applied to the tank by a suction pump. The control for starting and stopping the suction pump is by a control which is located above the basin. The control is manually operated by a man who works on a grating above the basin and may see into the basin.

REFERENCES:
patent: 113638 (1871-04-01), Dewey
patent: 1418612 (1922-06-01), Beard
patent: 1507628 (1924-09-01), Schuyler
patent: 3270810 (1966-09-01), Johnston
patent: 3353606 (1967-11-01), Dyer
patent: 4665976 (1987-05-01), Retherford
patent: 4949784 (1990-08-01), Evans

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