Friction-reducing device

Details Friction-reducing device Friction-reducing device

1989-11-27

1990-04-24

Dang, Hoang C.

Wells

Guide for device or conduit

On sucker or pump rod

E21B 1710

Patent

active

049192051

ABSTRACT:
A sucker rod coupling comprising a body member and a plurality of axially and circumferentially spaced roller assemblies adapted to reduce friction and wear between the body member and the well tubing in which it is used, each roller assembly further comprising a plurality of rollers linked by a chain, each roller being adapted to rotate within the chain while the chain revolves around a roller guide connected to the body member.

REFERENCES:
patent: 1827835 (1931-10-01), Black
patent: 1905158 (1933-04-01), Craig et al.
patent: 2625445 (1953-01-01), Ring
patent: 4372622 (1983-02-01), Cheek
patent: 4612987 (1986-09-01), Cheek
patent: 4621690 (1986-11-01), Klyne

Affiliated with

Also associated with

Rating

Friction-reducing device does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Friction-reducing device, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Friction-reducing device will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-28606