Integral wellhead assembly for pumping wells

Details Integral wellhead assembly for pumping wells Integral wellhead assembly for pumping wells

1996-02-16

1998-04-28

Bagnell, David J.

Wells

Above ground apparatus

With assembly or disassembly means

166 971, 166379, E21B 3402

Patent

active

057433321

ABSTRACT:
The adapter, blow-out preventer housing and flow tee of an oilwell wellhead assembly are formed together as a one-piece or integral structure. The structure has a bottom flanged connection and a top studded and internally threaded connection. By eliminating threaded connections and the adapter body, the length of the combined assembly is reduced by about 50% and structural strength is improved.

REFERENCES:
patent: 3050126 (1962-08-01), LeBeaux et al.
patent: 4125164 (1978-11-01), Terry
Griffin Brochure, Progressing Cavity Pumps, Jun. 1995.
Corod Brochure, Rotalift Wellhead Drive Units, Jun. 1996.

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