Well tool

Details Well tool Well tool

1980-10-31

1983-04-19

Callaghan, Thomas F.

Pipe joints or couplings

With casing, lining or protector

285333, 308 4A, F16L 5700

Patent

active

043803474

ABSTRACT:
A well tool, such as a drilling pipe string, whose joints are provided with tubular protectors which are restrained against vertical movement on the joints while permitting rotation of the drilling pipe string relative thereto when the protectors engage the internal surfaces of a well bore or of a well casing through which the drilling pipe string extends.

REFERENCES:
patent: 1396452 (1921-11-01), Moesmer
patent: 2513621 (1950-07-01), Boice
patent: 2546295 (1951-03-01), Boice
patent: 2592854 (1952-04-01), Boice
patent: 3268275 (1966-08-01), Laughlin
patent: 3398977 (1968-08-01), Yoneda
patent: 3942824 (1976-03-01), Sable
patent: 4011918 (1977-03-01), Jurgens

Affiliated with

Also associated with

Rating

Well tool does not yet have a rating. At this time, there are no reviews or comments for this patent.

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

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-835738