Classifications

• • E—FIXED CONSTRUCTIONS
  • E21—EARTH OR ROCK DRILLING; MINING
  • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
  • E21B47/00—Survey of boreholes or wells
• • G—PHYSICS
  • G01—MEASURING; TESTING
  • G01T—MEASUREMENT OF NUCLEAR OR X-RADIATION
  • G01T3/00—Measuring neutron radiation
• • G—PHYSICS
  • G01—MEASURING; TESTING
  • G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
  • G01V5/00—Prospecting or detecting by the use of ionising radiation, e.g. of natural or induced radioactivity
  • G01V5/04—Prospecting or detecting by the use of ionising radiation, e.g. of natural or induced radioactivity specially adapted for well-logging
  • G01V5/08—Prospecting or detecting by the use of ionising radiation, e.g. of natural or induced radioactivity specially adapted for well-logging using primary nuclear radiation sources or X-rays
  • G01V5/10—Prospecting or detecting by the use of ionising radiation, e.g. of natural or induced radioactivity specially adapted for well-logging using primary nuclear radiation sources or X-rays using neutron sources
  • G01V5/104—Prospecting or detecting by the use of ionising radiation, e.g. of natural or induced radioactivity specially adapted for well-logging using primary nuclear radiation sources or X-rays using neutron sources and detecting secondary Y-rays as well as reflected or back-scattered neutrons
  • G01V5/105—Prospecting or detecting by the use of ionising radiation, e.g. of natural or induced radioactivity specially adapted for well-logging using primary nuclear radiation sources or X-rays using neutron sources and detecting secondary Y-rays as well as reflected or back-scattered neutrons the neutron source being of the pulsed type

Landscapes

• Physics & Mathematics (AREA)
• Life Sciences & Earth Sciences (AREA)
• Geology (AREA)
• High Energy & Nuclear Physics (AREA)
• Engineering & Computer Science (AREA)
• Mining & Mineral Resources (AREA)
• General Life Sciences & Earth Sciences (AREA)
• Geophysics (AREA)
• Fluid Mechanics (AREA)
• Environmental & Geological Engineering (AREA)
• Geochemistry & Mineralogy (AREA)
• General Physics & Mathematics (AREA)
• Health & Medical Sciences (AREA)
• Molecular Biology (AREA)
• Spectroscopy & Molecular Physics (AREA)
• Geophysics And Detection Of Objects (AREA)
• Analysing Materials By The Use Of Radiation (AREA)

Applications Claiming Priority (1)

Publications (1)

Family

ID=23126848

Family Applications (1)

Country Status (4)

• 1964
  • 1964-01-31 CA CA894544A patent/CA929678A/en not_active Expired
  • 1964-04-20 DE DE19641448354 patent/DE1448354B2/de active Pending
  • 1964-04-23 AT AT360864A patent/AT285973B/de active
  • 1964-04-28 NL NL6404683A patent/NL6404683A/xx unknown

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