Method of making a blast joint

Details Method of making a blast joint Method of making a blast joint

1976-06-23

1977-06-14

Moon, Charlie T.

Metal working

Method of mechanical manufacture

Obtaining plural product pieces from unitary workpiece

29455R, 138155, 166243, 285333, 285390, B23P 1700

Patent

active

040287963

ABSTRACT:
The present application discloses and claims the method of producing a blast joint for oil well production tubing. The method disclosed and claimed herein relates to assembling, upon the exterior of a length of production tubing, a stack of short length refractory rings resistant to abrasion and capable of enduring high temperature, to be used in a string of oil well production tubing.

REFERENCES:
patent: 2196966 (1940-04-01), Hammer
patent: 2476656 (1949-07-01), Galbraith
patent: 2772899 (1956-12-01), Evans
patent: 2925097 (1960-02-01), Duesterberg
patent: 2966872 (1961-01-01), Schmocker
patent: 2998848 (1961-09-01), Wright et al.
patent: 3382929 (1968-05-01), Plunk
patent: 3382930 (1968-05-01), Ribb et al.
patent: 3654691 (1972-04-01), Wilhite et al.
patent: 3904211 (1975-09-01), Dega

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