Methods and apparatus for geophysical logging

Details Methods and apparatus for geophysical logging Methods and apparatus for geophysical logging

2006-07-17

2008-08-19

Porta, David P. (Department: 2884)

Radiant energy

Invisible radiant energy responsive electric signalling

With or including a luminophor

C250S36100C

Reexamination Certificate

active

07414247

ABSTRACT:
Apparatus and assemblies for a borehole survey instrument are provided. A radiation detector includes a photo-detector, and a scintillator optically coupled to the photo-detector wherein the scintillator is formed in at least one of a cylindrical segment shape and a truncated frustocylindrical shape.

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patent: 6657201 (2003-12-01), DeJule
patent: 2005/0167605 (2005-08-01), Juni

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