Measuring and testing – Borehole or drilling – Downhole test
Patent
1992-03-02
1994-06-14
Warden, Robert J.
Measuring and testing
Borehole or drilling
Downhole test
166250, E21B 4700
Patent
active
053199650
ABSTRACT:
A self-contained multiple channel pressure recorder comprises a single, compact, portable housing containing two quartz pressure transducers and electrical circuits for sensing two pressures communicated into the housing to the pressure transducers, for sensing ambient temperature, and for converting the sensed pressures into electrical signals representing absolute pressure magnitudes compensated both for temperature and calibration effects. The resulting data can be locally displayed through a display mounted on the housing, or the data can be remotely transmitted through an electrical coupling mounted on the housing.
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SPIDR.RTM. Applications brochure, believed published prior to Jan., 1991.
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Lewis Roger M.
Lynch Michael J.
Whitten Jonathan A.
Christian Stephen R.
Gilbert III E. Harrison
Halliburton Company
Thornton Krisanne M.
Warden Robert J.
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