Valve and lubricator apparatus

Details Valve and lubricator apparatus Valve and lubricator apparatus

E - Fixed Constructions

21

B

166/41

E21B 43/12 (2006.01) E21B 34/10 (2006.01) E21B 34/00 (2006.01)

Patent

CA 1060789

TITLE: VALVE AND LUBRICATOR APPARATUS ABSTRACT OF THE DISCLOSURE A valve and lubricator apparatus are provided for installation of tools on wire line and the like for use in an oil or gas well while controlling fluids therethrough. The apparatus has valve means having a passageway there- through for control of fluids through the apparatus. First fluid activatable means are provided for first shifting of the valve means to closed position. Second fluid activatable means also are provided for second shifting of the valve means to the open position. Means for locking the valve in closed position are provided to prevent shifting of the valve to open position by operation of the first fluid means. The second fluid means are operational to unlock the valve means from the closed and locked positioned and to shift the valve to open position. The first and second fluid means and the locking means are repeatably and sequentially operational. -1-

281720

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