Method and device for making measurements characterizing geologi

Details Method and device for making measurements characterizing geologi Method and device for making measurements characterizing geologi

1987-03-26

1989-01-03

Myracle, Jerry W.

Measuring and testing

Borehole or drilling

Downhole test

2541343FT, E21B 4900

Patent

active

047947918

ABSTRACT:
A method is provided for making measurements in geological formations from a horizontal borehole or a borehole with limited slant with respect to the horizontal, formed in the wall of an underground way. It includes essentially a probe containing measuring instruments, adapted to be introduced and pushed into the borehole at the end of an elongate element such as a semirigid tube which is wound off a storage reel, straightened and moved linearly by feed means. The tube passes through a sealing element disposed at the orifice of the borehole. It contains a transmission cable for connecting the probe to a control and recording assembly and it communicates through a rotary hydraulic and electric collector with a pumping system provided for filling the bored hole with fluid before making the measurements.

REFERENCES:
patent: 3675478 (1972-07-01), Nystrom

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