Oil well pumping system

Details Oil well pumping system Oil well pumping system

1986-02-27

1988-02-23

Suchfield, George A.

Wells

With below and above ground modification

Eduction pump or plunger in well

166267, 166372, 417172, E21B 4300, F04F 502

Patent

active

047264209

ABSTRACT:
An oil well is pumped with a jet pump using, as the power fluid, field salt water preferably from the same formation that the well is completed in. The jet pump comprises a series of metallic cylindrical components that are clamped together in a housing connected to the bottom of the tubing string. A tail pipe assembly extends below the bottom of the producing formation to lower the liquid level in the well as low as possible. A more sophisticated tail pipe assembly operates to reduce back pressure on the formation as much as possible.

REFERENCES:
patent: 1939124 (1933-12-01), Looman
patent: 2029457 (1936-02-01), Beardmore
patent: 3653717 (1976-04-01), Rich et al.
patent: 3980138 (1976-09-01), Knopik
patent: 4603735 (1986-08-01), Black
patent: 4605069 (1986-08-01), McClaflin et al.

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