Submersible pump

Details Submersible pump Submersible pump

1983-04-28

1985-03-05

Novosad, Stephen J.

Wells

With eduction pump or plunger

Having liquid-gas separator

166106, 166370, E21B 4312, E21B 3416, E21B 3410

Patent

active

045025363

ABSTRACT:
A submersible pump system for petroleum production in which the pump is suspended from an H-member with production passing up one leg of the H-member and gas passing up the other leg of the H-member. Valve means provide for alternately directing the liquid in a recirculating path through the H-member to the pump while closing in gas flow and closing the cross-member in the H-member and providing for gas and liquid flow through the separate legs of the H-member. The system is coordinated with a subsurface safety valve in the tubing above the H-member and the valve means and subsurface safety valve are controlled by the same pressure line.

REFERENCES:
patent: 2349164 (1944-05-01), Gilbert
patent: 3643740 (1972-02-01), Kelley
patent: 3675720 (1972-07-01), Sizer
patent: 3746081 (1973-07-01), Vencil
patent: 4354554 (1982-10-01), Calhoun et al.
patent: 4387767 (1983-06-01), Read
"Composite Catalog of Oil Field Equipment & Services", 1982-1983, p. 1579.

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