Measuring and testing – Borehole or drilling – Downhole test
Patent
1987-08-28
1989-03-14
LaRoche, Eugene R.
Measuring and testing
Borehole or drilling
Downhole test
166250, E21B 4900
Patent
active
048115983
ABSTRACT:
An apparatus is disclosed for developing a temperature profile of a well. That apparatus has a spring bow centralizer, wherein the bow of the centralizer contacts the sidewall of the well, and it has a temperature probe attached to the underside of the bow opposite to a point of contact with the sidewall. In one embodiment, the temperature probe is attached to the underside of the bow with studs and a shim steel backing. That temperature probe is a platinum resistance thermometer surface sensor less than 0.05 inches thick coated with a polyimide insulator.
REFERENCES:
patent: 2190260 (1940-02-01), Ennis
patent: 2764024 (1956-09-01), Rumble
patent: 3014529 (1961-12-01), Graham
patent: 3164988 (1965-01-01), Cook
patent: 3363457 (1968-01-01), Ruehle et al.
patent: 3668927 (1972-06-01), Howell et al.
patent: 3874232 (1975-04-01), Hardison
patent: 3981187 (1976-09-01), Howell
patent: 4109717 (1978-08-01), Cooke, Jr.
patent: 4578785 (1986-03-01), Gelfand
Clark Richard H.
Dillier Justin M.
Chevron Research Company
Ham Seung
Keeling E. J.
LaPaglia S. R.
LaRoche Eugene R.
LandOfFree
Downhole temperature measurements does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Downhole temperature measurements, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Downhole temperature measurements will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-887304