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Class Information
Number: 376/167
Name: Induced nuclear reactions: processes, systems, and elements > Nuclear transmutation (e.g., by means of particle or wave energy) > By neutron bombardment > Neutron activation analysis > Subterranean > With tracer injection
Description: Subject matter wherein the material is injected into the earth and then activated or transmuted.










Patents under this class:

Patent Number Title Of Patent Date Issued
5473643 Corrosion testing using isotopes Dec. 5, 1995
4780266 Method for detecting drilling fluid in the annulus of a cased wellbore Oct. 25, 1988
4137452 Method of measuring horizontal fluid flow in cased off subsurface formations with manganese compensation Jan. 30, 1979
4076980 Radioactive well logging to measure earth formation fluid permeability by electrohydraulic induced flow of radiation activated fluids Feb. 28, 1978
4051368 Method of measuring horizontal flow speed of fluids in earth formations penetrated by a wellborehole Sep. 27, 1977











 
 
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