Method and apparatus for logging downhole data

Wells – Processes – With indicating – testing – measuring or locating

Reexamination Certificate

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Details

C166S250150, C166S066000, C166S068000, C166S105000

Reexamination Certificate

active

07597143

ABSTRACT:
A downhole plunger for oil and gas wells comprises an electronic ambient environmental sensor via a cargo bay. Although the sensor is preferably a downhole time, temperature, pressure and flow sensor, the device contemplates the use of any appropriate cargo to ascertain well conditions. The device can also be used to sample fluid. The sensor has a measured data memory.

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