Shrink grip drill pipe fabrication method

Details Shrink grip drill pipe fabrication method Shrink grip drill pipe fabrication method

1980-12-12

1984-05-01

Moon, Charlie T.

Metal working

Method of mechanical manufacture

Assembling or joining

29DIG35, 228112, 285286, 285381, B23P 1102

Patent

active

044452659

ABSTRACT:
A drill pipe is fabricated by forming a tubular tool joint with a pipe connection formation at one end. The other end of the tool joint is connected to one end of a tubular adapter by a threaded shrink grip connection. The other end of the adapter is connected to a first end of a tubular pipe body by welding. A second tool joint is similarly mounted on the second end of the pipe body by means of a second adapter.

REFERENCES:
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patent: 2161568 (1939-06-01), Gignoux
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patent: 2636753 (1953-04-01), Griffin
patent: 2917822 (1959-12-01), Boice
patent: 2926030 (1960-02-01), Rozmus et al.
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patent: 3126214 (1964-03-01), Wong et al.
patent: 3326581 (1967-06-01), Wong
patent: 3336054 (1967-08-01), Blount et al.
patent: 4120520 (1978-10-01), Ahistone

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