Flexible drill pipe

Details Flexible drill pipe Flexible drill pipe

1985-07-01

1986-07-15

Bryant, III, James E.

Pipes and tubular conduits

Flexible

Joined sections

138155, 138162, 175320, D03D 2100

Patent

active

046000372

ABSTRACT:
A flexible drill pipe adapted for connection in a drill string, having sufficient wall thickness in order to withstand forces imposed by drilling a well. The flexible pipe has a plurality of cuts defining interlocking teeth and recesses on axially adjacent segments of the pipe, the teeth in one segment being positioned in the recesses of, and interlocking with the teeth of, the adjacent segment. Each of the teeth includes a generally semicircular crown section, two essentially flat shoulders and a tapered base portion, with the curved, tapered sides of circumferentially adjacent bases forming the semicircular recesses for receiving the crowns of axially adjacent interlocking teeth.

REFERENCES:
patent: 338310 (1886-03-01), Smith
patent: 2694549 (1954-11-01), James
patent: 2712436 (1955-07-01), McCune et al.
patent: 2739089 (1956-03-01), Hageltorn
patent: 4328839 (1982-05-01), Lyons et al.
patent: 4343369 (1982-08-01), Lyons et al.
patent: 4388488 (1983-06-01), Wlcek et al.

Affiliated with

Also associated with

Rating

Flexible drill pipe does not yet have a rating. At this time, there are no reviews or comments for this patent.

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

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1736631