Annular sample chamber, full bore, APR.RTM. sampler

Details Annular sample chamber, full bore, APR.RTM. sampler Annular sample chamber, full bore, APR.RTM. sampler

1983-09-23

1985-03-05

Leppink, James A.

Wells

Receptacles

166152, 166167, 166264, 166317, 166323, 166332, E21B 4908, E21B 3410

Patent

active

045025371

ABSTRACT:
An annulus pressure responsive sampler valve comprising a power section and a sampler section having an annular sample chamber therein; the sampler valve having a full bore therethrough.

REFERENCES:
patent: 964578 (1910-07-01), Stephens
patent: 3065796 (1962-11-01), Nutter
patent: 3358755 (1967-12-01), Chisholm
patent: 3456726 (1969-07-01), Barrington et al.
patent: 4270610 (1981-06-01), Barrington

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