Centralizer for a polished bar and/or a substance pump piston st

Wells – Guide for device or conduit – On sucker or pump rod

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Details

175325, E21B 1710

Patent

active

047934123

ABSTRACT:
The present invention relates to a device which can be used to centralize a polished bar and/or a piston stem of a subsurface pump within a production pipe. The device comprises an elongate, substantially cylindrical body member having a longitudinal axis of symmetry, a plurality of slots in the member, and a plurality of rotatable members eccentrically mounted in the slots with respect to the longitudinal axis of symmetry for permitting simultaneous contact between the rotatable members and the inner wall of a tubular production pipe.

REFERENCES:
patent: 712487 (1902-11-01), Black
patent: 712488 (1902-11-01), Black
patent: 712901 (1902-11-01), Black
patent: 713723 (1902-11-01), Vinzent
patent: 1281756 (1918-10-01), Black
patent: 1827835 (1931-10-01), Black
patent: 2198720 (1940-04-01), Edgecomb et al.
patent: 2466239 (1949-04-01), Holcombe
patent: 2601478 (1952-06-01), Weir
patent: 2722462 (1955-11-01), Tschirley
patent: 3938853 (1976-02-01), Jurgens et al.
patent: 4557327 (1985-12-01), Kinley et al.
patent: 4620802 (1986-11-01), Harrel
patent: 4621690 (1986-11-01), Klyne

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