Wells – Receptacles – Bottom receiving and side discharge valves
Patent
1988-09-07
1989-10-03
Massie, IV, Jerome W.
Wells
Receptacles
Bottom receiving and side discharge valves
166332, E21B 3406, E21B 4908
Patent
active
048710199
ABSTRACT:
A wellbore fluid sampling apparatus includes an elongated barrel member having a chamber formed by a through flow passage opening from the bottom of the barrel member to a port in the barrel member. Spaced apart ball type valve closure members are connected to an actuating linkage comprising a rack and pinion mechanism connected to respective ones of the closure members. A cocking and retaining mechanism includes an actuating rod and a collet sleeve connected to the rack member and biased by a coil spring to move the rack member to simultaneously close both valves upon release of the collet sleeve from gripping engagement with the wall of the bore in a body member of the apparatus. In an alternate embodiment, the actuating member includes a part gripped by a stationary collet which may release the part upon movement of a sliding sleeve which is actuatable at will. The actuating member is connected to elongated cable traces which are operable to move the valves between open and closed positions. The ball valves include lateral ports for evacuating the closure member passages in the valve closed positions.
REFERENCES:
patent: 4520994 (1985-06-01), DeWald
patent: 4553598 (1985-11-01), Meek et al.
patent: 4610308 (1986-09-01), Meek
patent: 4766955 (1988-08-01), Petermann
Barber Weldon H.
Haley Jerry L.
Morris Kavin J.
Atlantic Richfield Company
Martin Michael E.
Massie IV Jerome W.
Melius Terry Lee
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