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
FET device having ultra-low on-resistance and low gate charge
Secure access to customer log data in a multi-tenant environment
Expressive grouping for language integrated queries
Single mode optical fiber with improved bend performance
Apparatus and method for exerting force on a subject tissue
Managing device functionality during predetermined conditions
Deposited conductive layers for leads of implantable electric stimulation systems and methods of making and using
  Randomly Featured Patents
Photographic paper exposing method and an optical digital printer employing this method
Fuel filter and water separator apparatus with heater
System and methods for evaluating feature opinions for products, services, and entities
Portable processor-based system
Surgical instrument with extendable blades
Fast, practically optimal entropy coding
Hot and cold water mixing discharge device
Livestock feeder
Method and system for determining the dependence between device parameters of a mobile telephone and signal parameters
Multi-player gaming