Sampler and measurement apparatus

Details Sampler and measurement apparatus Sampler and measurement apparatus

1978-11-13

1981-03-10

Leppink, James A.

Wells

Valves, closures or changeable restrictors

Longitudinally movable operator

166147, 166242, E21B 33124

Patent

active

042548322

ABSTRACT:
Sampler and measurement apparatus in the form of a tube having opposite ends to be used with casings axially aligned therewith to form a common passageway through which can be moved instruments for taking samples and/or measurements, and operating tools. At least one port is formed in the tube spaced from the ends thereof. A sleeve slidably mounted in the tube is movable longitudinally thereof between one position covering the port and another position uncovering it.

REFERENCES:
patent: 1510669 (1924-10-01), Halliday
patent: 2449642 (1948-09-01), Coons
patent: 2534528 (1960-12-01), Page
patent: 2924278 (1960-02-01), Garrett et al.
patent: 3115188 (1963-12-01), Cochran et al.

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