Stroke actuated well testing tool

Details Stroke actuated well testing tool Stroke actuated well testing tool

1976-07-06

1977-09-27

Leppink, James A.

Wells

Packers or plugs

With expanding anchor

166131, 166133, 166240, 166334, E21B 4900

Patent

active

040505120

ABSTRACT:
A stroke actuated well testing tool carried by a tubing string and including a packer, radial ports for maximum internal flow past the packer, and a valve controlling flow through the tubing string; the tool further including radial port control assemblies which are relatively movable axially, when the packer and tool are set, to close the radial ports, and valve control assemblies which are relatively movable to open and close the valve; the radial port control assemblies including a fluid flow restrictor to provide a time delay thereby to permit relative movement of the valve control assemblies without operation of the port control assemblies; the tool further including at least one annular sample collecting pressure resistant chamber occupying an open position for receiving well samples when the packer is set and a closed position when the tool is being pulled out.

REFERENCES:
patent: 1909589 (1933-05-01), Mack
patent: 2129216 (1938-09-01), Johnston
patent: 3347318 (1967-10-01), Barrington
patent: 3414059 (1968-12-01), Nutter
patent: 3494419 (1970-02-01), Mullins
patent: 3900068 (1975-08-01), Scott

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