Wellbore pressure transducer

Details Wellbore pressure transducer Wellbore pressure transducer

1977-11-08

1979-06-05

Albritton, C. L.

Electrical resistors

Resistance value responsive to a condition

Fluid- or gas pressure-actuated

73151, 73726, 338 3, 338 4, H01L 1010

Patent

active

041575288

ABSTRACT:
Subterranean earth formations containing energy values are subjected to hydraulic fracturing procedures to enhance the recovery of the energy values. These fractures are induced in the earth formation by pumping liquid into the wellbore penetrating the earth formation until the pressure of the liquid is sufficient to fracture the earth formation adjacent to the wellbore. The present invention is directed to a transducer which is positionable within the wellbore to generate a signal indicative of the fracture initiation useful for providing a timing signal to equipment for seismic mapping of the fracture as it occurs and for providing a measurement of the pressure at which the fracture is initiated.

REFERENCES:
patent: 2703491 (1955-03-01), Goetz
patent: 3289134 (1966-11-01), Laimins et al.
patent: 3354716 (1967-11-01), Wiebe et al.
patent: 4065970 (1978-01-01), Wilner

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