Pressure communicating, fluid isolating interface

Details Pressure communicating, fluid isolating interface Pressure communicating, fluid isolating interface

1987-03-04

1988-11-08

Myracle, Jerry W.

Measuring and testing

Borehole or drilling

Downhole test

210489, E21B 4706

Patent

active

047826940

ABSTRACT:
A housing which is connectible to a pressure sensitive tool has a filter cartridge mounted within it to communicate a pressure from an external fluid to a clean fluid contained within the filter cartridge and the tool. The filter cartridge includes one or more filters having a plurality of passageways small enough to hold the clean fluid under pressure equilibrium conditions, but large enough to communicate pressure from the external fluid to the clean fluid. There are enough of such passageways so that it is unlikely that all will become clogged by an contaminants within the external fluid should a portion of the external fluid be sucked in through the filter in response to expansion and contraction phenomena of the clean fluid.

REFERENCES:
patent: 2605902 (1952-08-01), Cartis
patent: 2720278 (1955-10-01), Wiley
patent: 2979400 (1961-04-01), Mouwen
patent: 3744307 (1973-07-01), Harper et al.
patent: 3856683 (1974-12-01), Parr
patent: 3895527 (1975-07-01), McArthur
patent: 3915010 (1975-10-01), Tricon

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