Full bore sampler valve
Patent
·
OSTI ID:5649525
A well tool is described adapted to be connected in a pipe string and positioned in a well bore for collecting a sample of fluids within the pipe string and comprising an outer tubular member; first and second inner members cooperatively arranged within the outer member for defining an axial passage therein and enabling at least the first inner member to move longitudinally within the outer member; valve means controlling communication through the axial passage and including first and second valve members cooperatively mounted on the first and second inner members and respectively arranged to pivot about a transverse axis between a passage-opening position and a passage-closing position, each of the valve members having an outwardly-facing opening bounded by first and second transverse edge portions that are spatially disposed on opposite sides of the transverse axis of that valve member and laterally offset therefrom; pressure-responsive means cooperatively arranged for moving the first inner member longitudinally within the outer member; first actuator means on the outer member and cooperatively arranged to be engaged with the first transverse edge portion of the first valve member upon longitudinal movement of the first inner member for rotating the first valve member to its passage-closing position; and second actuator means on the outer member and cooperatively arranged to be engaged with the second transverse edge portion of the first valve member upon rotation thereof toward its passage-closing position and moved against the first transverse edge portion of the second valve member for rotating the second valve member to its passage-closing position.
- Assignee:
- Schlumberger Tech. Corp., New York, NY
- Patent Number(s):
- US 4576234
- OSTI ID:
- 5649525
- Country of Publication:
- United States
- Language:
- English
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