Biaxial pressure sensor

Details Biaxial pressure sensor Biaxial pressure sensor

1985-07-19

1986-06-24

Myracle, Jerry W.

Measuring and testing

Specimen stress or strain, or testing by stress or strain...

Earth stresses

E21B 4900

Patent

active

045961514

ABSTRACT:
A pressure sensor (10) is useful for monitoring stress changes and stress fields in a medium (12) having a borehole (14) defined therein. The pressure sensor uses piston assemblies (22, 24, 26) to transmit pressure changes to gages (84) via a fluid in a fluid line (78). The piston assemblies can be spaced apart angularly and longitudinally of the borehole to monitor a plurality of locations (16, 18 and 20), and are angularly movable with respect to each other.

REFERENCES:
patent: 3364737 (1968-01-01), Comes
patent: 3499320 (1970-03-01), Fox et al.

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