Hydraulic pumping rod connecting and disconnecting device

Details Hydraulic pumping rod connecting and disconnecting device Hydraulic pumping rod connecting and disconnecting device

1979-07-23

1981-09-01

Leppink, James A.

Wells

Valves, closures or changeable restrictors

Fluid operated

166106, 166217, 166243, 417450, E21B 4100

Patent

active

042866634

ABSTRACT:
A pumping rod connecting and disconnecting device comprises: a lower production tubing column and an upper production tubing column having a larger diameter than that of the lower column; a connecting piece provided with a circular seat and a circular groove; a lower assembly mounted onto the upper end of a lower pumping rod column and provided with mounting and locking means, as well as with passage means arranged between the spaces located below and above the device; an upper assembly fixed to the lower end of an upper pumping rod column having a continuous axial conduit; and removable blocking means for blocking the locking means of the upper and lower assemblies, connected to a surface source of hydraulic pressure. The device can be used for pumping by means of floating pumping apparatus.

REFERENCES:
patent: 2673614 (1954-03-01), Miller
patent: 3863715 (1975-02-01), Yonker
patent: 4023620 (1977-05-01), Gazda et al.
patent: 4043390 (1977-08-01), Glotin
patent: 4171934 (1979-10-01), Zehren

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