Hydraulic pressure propelled device for making measurements and

Details Hydraulic pressure propelled device for making measurements and Hydraulic pressure propelled device for making measurements and

1985-12-30

1988-03-08

Leppink, James A.

Wells

With electrical means

166153, 166332, 166383, 166385, E21B 2310

Patent

active

047294299

ABSTRACT:
A device for making measurements and interventions during fluid production or injection in a well passing through a geological formation is provided in tubing located in the well. The device has a propulsion position in the production tubing and a measuring or intervention position and comprises means supporting sealing members which are adapted on the one hand for uncovering an opening allowing fluid to flow along the tubing and an extension in said measuring or intervention position of the device and on the other for closing said opening in said propulsion position.

REFERENCES:
patent: 3070167 (1962-12-01), Loy, III et al.
patent: 3104714 (1963-09-01), Terrel et al.
patent: 3572433 (1971-03-01), Conrad
patent: 4349072 (1982-09-01), Esearon et al.
patent: 4457370 (1984-07-01), Wittristch
patent: 4484628 (1984-11-01), Lammon, II
patent: 4498532 (1985-02-01), Mason

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