Measuring and testing – Borehole or drilling – Downhole test
Patent
1990-09-27
1992-11-17
Williams, Hezrone E.
Measuring and testing
Borehole or drilling
Downhole test
374136, 374137, 374143, E21B 4706
Patent
active
051633213
ABSTRACT:
A system is provided for measuring both the temperature and pressure of fluid in a borehole utilizing a single small diameter tube extending from the surface to the desired downhole test location in a borehole. Downhole fluid pressure is transmitted through the small diameter tube, while a sheathed thermocouple or fibre optic line extending along the flow path of the tube is used for transmitting downhole fluid temperature information to the surface. A continuous surface read-out of both pressure and temperature is thus possible, and the temperature read-out may be used to both monitor downhole fluid temperature and increase the accuracy of the fluid pressure measurement system.
REFERENCES:
patent: 3880234 (1975-04-01), Showalter et al.
patent: 3895527 (1975-07-01), McArthur
patent: 3898877 (1975-08-01), McArthur
patent: 3985027 (1976-10-01), Tricon
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patent: 4616705 (1986-10-01), Stegemeir et al.
patent: 4832121 (1989-05-01), Anderson
patent: 4976142 (1990-12-01), Perales
Brochure entitled "York Automatic Launchmaster"-3 page brochure dated Jun. 1989.
Brochure entitled "York LDS Laser Delivery System"-2 page brochure.
Baroid Technology Inc.
Brock Michael J.
Williams Hezrone E.
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