05025151 is referenced by 35 patents and cites 11 patents.

A scintillator for use as a gamma ray or like radiation detector is composed of a single crystal of cerium-activated lutetium oxyorthosilicate having the general formulation Ce.sub.2x Lu.sub.2(1-x) SiO.sub.5. In a borehole logging application, the detector is mounted in a logging sonde with a high energy neutron source, for movement through a borehole traversing earth formations. Gamma radiation from the surrounding formations is detected and analyzed to provide information concerning hydrocarbons in the formations.

Title
Lutetium orthosilicate single crystal scintillator detector
Application Number
254353
Publication Number
5025151
Application Date
August 30, 1990
Publication Date
June 18, 1991
Inventor
Charles L Melcher
West Redding
CT, US
Agent
Brumbaugh Graves Donohue & Raymond
Assignee
Schlumberger Technology Corporation
NY, US
IPC
G01V 5/10
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