Rod guide

Details Rod guide Rod guide

1997-04-07

1998-09-15

Tsay, Frank

Wells

Guide for device or conduit

On sucker or pump rod

1753251, E21B 1710

Patent

active

058065911

ABSTRACT:
A rod guide for maintaining a rod of a sucker rod string in substantially central position in a well tubing during reciprocal movement of the sucker rod string in the well tubing.

REFERENCES:
patent: 1583262 (1926-05-01), Smith
patent: 4997039 (1991-03-01), Sable
patent: 5115863 (1992-05-01), Olinger
patent: 5191938 (1993-03-01), Sable et al.
patent: 5339896 (1994-08-01), Hart et al.
patent: 5358041 (1994-10-01), O'Hair
patent: 5452760 (1995-09-01), Bertagnolli

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