Resources Contact Us Home
Browse by Category: Main > Physics
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

  Recently Added Patents
Method and system for reduction of quantization-induced block-discontinuities and general purpose audio codec
Flat display panel and method for forming the same
Animation control apparatus, animation control method, and non-transitory computer readable recording medium
Adhesive structure of optical device, adhesion method, and optical pickup device
Display system, display control method and computer program
Reference circuit with curvature correction using additional complementary to temperature component
Liquid crystal display wherein the data lines covered by each pixel electrode are supplied with data signals of opposite polarities
  Randomly Featured Patents
Multi-level charge storage transistors and associated methods
Diagnosis of a urea SCR catalytic system
Over-torque resistant vial
Corrective voice prompts for caregiving device
Polishing method for SOI
Fast time-of-flight mass spectrometer with improved dynamic range
Passive thermal stabilization of the optical path length in a tunable laser
Ion channel modulating agents comprising novel benzimidazolone derivatives
Emergency locking retractor for seat belt assemblies
Locking cuff sizer and method for measuring girth of a body passage