1998-02-27
2000-03-21
Moulis, Thomas N.
Pumps
Processes
166369, F04B 2300, E21B 4300
Patent
active
060395443
ABSTRACT:
A wellhead assembly including a skid, drum, cable spooled on the drum and level wind mechanism is set forth to extend the cable into and out of a well borehole for production of a stripper well. The cable spools over a measuring wheel extends into the well and supports a bail on the end of it. The bail has a foot valve for filling, thereby enabling retrieval of a bail into a surface located stinger connected with a pump to drain the bail. A control system enables cyclic operation.
REFERENCES:
patent: 4830113 (1989-05-01), Geyer
patent: 4942926 (1990-07-01), Lessi
patent: 4962847 (1990-10-01), Pisors et al.
patent: 5054557 (1991-10-01), Wittrisch
Alexander Jerry
Gimie Mahmoud M.
Hofler, Sr. Kenneth L.
Moulis Thomas N.
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