Tandem sampler actuation device

Details Tandem sampler actuation device Tandem sampler actuation device

1987-02-19

1989-01-24

Myracle, Jerry W.

Measuring and testing

Sampler, sample handling, etc.

Plural parallel systems

73151, 7386463, G01N 116

Patent

active

047993898

ABSTRACT:
A triggering device for actuating a plurality of serially coupled fluid samplers disposed in a borehole includes a housing having a pair of pistons, each coupled to opposing valves in the tandem fluid samplers. The pistons are locked apart by locking bearing urged against the housing by one of the pistons. Closing of the valve in the upper sampler drives one piston releasing the locking bearing and allowing the other piston to move upwards, thus actuating the lower sampler.

REFERENCES:
patent: 2111982 (1938-03-01), Mason, Jr.

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