Wells – Brushing – scraping – cutting or punching-type cleaners – On sucker rod
Patent
1984-11-30
1986-05-20
Novosad, Stephen J.
Wells
Brushing, scraping, cutting or punching-type cleaners
On sucker rod
308 4A, 403372, E21B 3702, E21B 17046
Patent
active
045894833
ABSTRACT:
A well tool, such as a paraffin scraper or centralizer, installable on a rod of a pump rod string, which is composed of two longitudinal sections longitudinally movable relative to one another on a rod interposed therebetween into clamping locked position on the rod and a resilient longitudinal member compressed between one of the sections and the rod, the two sections having first co-engageable means for moving the two sections laterally relative to each other to compress the compressible member against the rod upon relative longitudinal movement of one section toward the other and a second co-engageable lock means for holding the two sections in longitudinally telescoped locked position on the rod.
REFERENCES:
patent: 2928472 (1960-03-01), Tripplehorn
patent: 3370894 (1968-02-01), Pourchot
patent: 3399730 (1968-09-01), Pourchot
patent: 3507525 (1970-04-01), Sable
patent: 4343518 (1982-08-01), Pourchot
Bagnell David J.
Novosad Stephen J.
LandOfFree
Rod centralizer does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Rod centralizer, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Rod centralizer will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-2103705