Apparatus for recovery of liquid hydrocarbon

Pumps – With signal – indicator – or inspection means

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417 37, 210104, F04B 2100

Patent

active

052248372

ABSTRACT:
A pump unit for recovery of hydrocarbon liquid from atop water in a well includes a hydrocarbon pump intake with a linear probe for indicating the position of the pump intake relative to the hydrocarbon/water interface on a control panel, so that its relative position can be monitored and changed. The probe has a conductive member coated with a non-conductive coating, and is attached to a source of low frequency electrical signal. The strength of a signal output from the probe indicates the position of the probe, and the pump intake, relative to the hydrocarbon/water interface and controls a display on a control panel. Furthermore, the signal can be used to control the hydrocarbon/water interface relative to the pump intake by such means as pumped water from under the pump intake in a controlled manner to change said interface relative to the intake or by means of a motorized lift to reposition said pump intake relative to the interface.

REFERENCES:
patent: 4226714 (1980-10-01), Furness et al.
patent: 4273650 (1981-06-01), Solomon
patent: 4466777 (1984-08-01), Kimberlin
patent: 4469170 (1984-09-01), Farmer, Jr.
patent: 4663037 (1987-05-01), Breslin
patent: 4752188 (1988-06-01), Gurega
patent: 4916940 (1990-04-01), Mougne

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