Wells – Brushing – scraping – cutting or punching-type cleaners – On sucker rod
Patent
1987-08-18
1988-11-29
Novosad, Stephen J.
Wells
Brushing, scraping, cutting or punching-type cleaners
On sucker rod
166241, E21B 3702
Patent
active
047874481
ABSTRACT:
A rod guide assembly for rods of a sucker rod string having a pair of longitudinally spaced stops rigidly secured to the sucker rod and a plurality of independently movable guide body sections mounted on the rod between these stops for limited longitudinal movement between these stops.
REFERENCES:
patent: 3364998 (1968-01-01), Sable
patent: 3442558 (1969-05-01), Sable
patent: 3507525 (1970-04-01), Sable
patent: 4088185 (1978-05-01), Carson
Neuder William P.
Novosad Stephen J.
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