3787686

Information

• Patent Grant
• 3787686

• References
• Source

• Patent Number

  3,787,686

• Date Filed

  Not available

• Date Issued

  Tuesday, January 22, 1974
  51 years ago

• CPC

  • G01V5/101 - and detecting the secondary Y-rays produced in the surrounding layers of the bore hole
  • G01V5/102 - the neutron source being of the pulsed type
  • G01V5/14 - using a combination of several sources
  • G01V5/145 - using a neutron source combined with a gamma- or X-ray source

• US Classifications

  • 376 - Induced nuclear reactions: processes, systems, and elements
  • 250 - Radiant energy