Method for protecting sucker rod couplings from abrasion and cor

Details Method for protecting sucker rod couplings from abrasion and cor Method for protecting sucker rod couplings from abrasion and cor

1987-10-26

1989-04-25

Eley, Timothy V.

Metal working

Method of mechanical manufacture

Assembling or joining

295272, 29557, 166106, B23P 2500

Patent

active

048234567

ABSTRACT:
A standard size, steel oil well sucker rod coupling is machined to decrease its external diameter, producing a constant diameter along its length. Then, the coupling is machined to produce chamfers or bevels around the circumference on the ends, such that the diameter at the radial faces is less than at the body of the coupling. Next, abrasive blast-cleaning of the coupling produces a uniform, angular, anchor profile along the machined areas on the exterior of the coupling. Finally, a specially selected, fusion bonded, resinous coating is applied to the external surface including each radial face. The unique protective coatings impart abrasion resistance in a pumping oil well and serve as an electrical barrier to preclude electrochemical, corrosive, attack of the mild steel coupling core. Extended service life of the coupling is achieved.

REFERENCES:
patent: 4425965 (1984-01-01), R. Bayh, III et al.
patent: 4627490 (1986-12-01), Moore

Affiliated with

Also associated with

Rating

Method for protecting sucker rod couplings from abrasion and cor does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Method for protecting sucker rod couplings from abrasion and cor, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Method for protecting sucker rod couplings from abrasion and cor will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1186379