Downhole pump and testing apparatus

Details Downhole pump and testing apparatus Downhole pump and testing apparatus

1981-04-17

1983-01-04

Novosad, Stephen J.

Wells

With eduction pump or plunger

With packer or plug

137540, 137561R, 166187, 166191, 166231, 417271, E21B 33124, E21B 33127, E21B 4300, E21B 4908

Patent

active

043668623

ABSTRACT:
A downhole testing apparatus has a modular construction including a pump assembly, a screen assembly, a first packer assembly, an intake port assembly, and a second packer assembly. Improvements are provided in each of the pump assembly, screen assembly, first packer assembly, and intake port assembly.

REFERENCES:
patent: 2690224 (1954-09-01), Roberts
patent: 3083774 (1963-04-01), Peters et al.
patent: 3291219 (1966-12-01), Nutter
patent: 3439740 (1969-07-01), Conover
patent: 3926254 (1975-12-01), Evans et al.
patent: 4246964 (1981-01-01), Brandell

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