Classifications

• • 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
  • G01V5/101—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 the secondary Y-rays produced in the surrounding layers of the bore hole
  • G01V5/102—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 the secondary Y-rays produced in the surrounding layers of the bore hole the neutron source being of the pulsed type

Landscapes

• Physics & Mathematics (AREA)
• High Energy & Nuclear Physics (AREA)
• Life Sciences & Earth Sciences (AREA)
• General Life Sciences & Earth Sciences (AREA)
• General Physics & Mathematics (AREA)
• Geophysics (AREA)
• Geophysics And Detection Of Objects (AREA)
• Analysing Materials By The Use Of Radiation (AREA)
• Measurement Of Radiation (AREA)
• Earth Drilling (AREA)

Applications Claiming Priority (1)

Publications (1)

Family

ID=23004611

Family Applications (1)

Country Status (11)

Family Cites Families (3)

• 1973
  • 1973-05-25 CA CA172,207A patent/CA981810A/en not_active Expired
  • 1973-05-25 GB GB2527773A patent/GB1396456A/en not_active Expired
  • 1973-05-28 ZA ZA733607A patent/ZA733607B/xx unknown
  • 1973-06-12 AU AU56845/73A patent/AU470788B2/en not_active Expired
  • 1973-06-13 YU YU01584/73A patent/YU158473A/xx unknown
  • 1973-06-16 DE DE2330809A patent/DE2330809A1/de active Pending
  • 1973-06-18 HU HUTE721A patent/HU170521B/hu unknown
  • 1973-06-18 PL PL1973163426A patent/PL90076B1/pl unknown
  • 1973-06-18 NO NO2528/73A patent/NO141067B/no unknown
  • 1973-06-18 CS CS4355A patent/CS174209B2/cs unknown
  • 1973-06-19 FR FR7322255A patent/FR2189759B1/fr not_active Expired

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