Measuring casing coupler apparatus

Details Measuring casing coupler apparatus Measuring casing coupler apparatus

1978-11-13

1980-05-27

Myracle, Jerry W.

Measuring and testing

Borehole or drilling

Downhole test

E21B 4900

Patent

active

042044260

ABSTRACT:
A coupler interconnecting casings through which can move instruments for taking measurements and samples for geological, geophysical and other purposes. The coupler is a tube having opposite ends registering with and connected to measuring casings. A sealing connecting element is provided between the tube ends and the adjacent casing ends. A measuring port in the tube wall is normally closed by a valve which is operable from within the tube to open the port. A stop arrangement in the tube is so positioned relative to the measuring port as to stop an instrument in the tube in correct operating position at the port for taking measurements or samples through the port. In a broader sense, the measuring port and valve can be omitted, in which case the stop arrangement stops the instrument at a desired position for measuring or other purposes.

REFERENCES:
patent: 2651199 (1953-09-01), Collins et al.
patent: 3422896 (1969-01-01), Nutter
patent: 4120520 (1978-10-01), Ahlstone

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