NO780908L - APPARATUS FOR DETECTION OF GAMMASTRAALS IN A BORING HOLE - Google Patents

APPARATUS FOR DETECTION OF GAMMASTRAALS IN A BORING HOLE

Info

Publication number
NO780908L
NO780908L NO780908A NO780908A NO780908L NO 780908 L NO780908 L NO 780908L NO 780908 A NO780908 A NO 780908A NO 780908 A NO780908 A NO 780908A NO 780908 L NO780908 L NO 780908L
Authority
NO
Norway
Prior art keywords
gammastraals
detection
boring hole
boring
hole
Prior art date
Application number
NO780908A
Other languages
Norwegian (no)
Other versions
NO145319C (en
NO145319B (en
Inventor
Seeman
Chevallier
Original Assignee
Schlumberger Inland Service
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from FR7202181A external-priority patent/FR2168849B1/fr
Priority claimed from FR7202183A external-priority patent/FR2168850A1/en
Priority claimed from FR7243983A external-priority patent/FR2209941B2/fr
Publication of NO780908L publication Critical patent/NO780908L/en
Application filed by Schlumberger Inland Service filed Critical Schlumberger Inland Service
Publication of NO145319B publication Critical patent/NO145319B/en
Publication of NO145319C publication Critical patent/NO145319C/en

Links

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
    • G01V5/12—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 gamma or X-ray sources
    • 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
    • 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
    • G01V5/12—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 gamma or X-ray sources
    • G01V5/125—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 gamma or X-ray sources and detecting the secondary gamma- or X-rays in different places along the bore hole
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J43/00—Secondary-emission tubes; Electron-multiplier tubes
    • H01J43/04—Electron multipliers
    • H01J43/30—Circuit arrangements not adapted to a particular application of the tube and not otherwise provided for

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)
  • Details Of Television Scanning (AREA)
  • Color Television Systems (AREA)
  • Television Signal Processing For Recording (AREA)
  • Geophysics And Detection Of Objects (AREA)
  • Excavating Of Shafts Or Tunnels (AREA)
NO780908A 1972-01-24 1978-03-14 DEVICE FOR THE DETECTION OF GAMM RADIES IN A BORROW NO145319C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR7202181A FR2168849B1 (en) 1972-01-24 1972-01-24
FR7202183A FR2168850A1 (en) 1972-01-24 1972-01-24 Borehole strata density measurement - with correction for ettors by baryta deposits from drilling mud
FR7243983A FR2209941B2 (en) 1972-01-24 1972-12-11

Publications (3)

Publication Number Publication Date
NO780908L true NO780908L (en) 1973-07-25
NO145319B NO145319B (en) 1981-11-16
NO145319C NO145319C (en) 1982-02-24

Family

ID=27249762

Family Applications (2)

Application Number Title Priority Date Filing Date
NO224/73A NO139017C (en) 1972-01-24 1973-01-18 LOGGING DEVICE FOR MEASURING THE DENSITY OF GEOLOGICAL FORMATIONS THROUGH BY A BORING HOLE
NO780908A NO145319C (en) 1972-01-24 1978-03-14 DEVICE FOR THE DETECTION OF GAMM RADIES IN A BORROW

Family Applications Before (1)

Application Number Title Priority Date Filing Date
NO224/73A NO139017C (en) 1972-01-24 1973-01-18 LOGGING DEVICE FOR MEASURING THE DENSITY OF GEOLOGICAL FORMATIONS THROUGH BY A BORING HOLE

Country Status (4)

Country Link
EG (1) EG11628A (en)
IT (1) IT1012522B (en)
NO (2) NO139017C (en)
OA (1) OA04323A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DK157266C (en) * 1976-03-04 1990-04-30 Schlumberger Prospection PROCEDURE AND APPARATUS FOR MEASURING THE TIGHTNESS OF FORMATIONS THAT A Borehole goes through

Also Published As

Publication number Publication date
IT1012522B (en) 1977-03-10
EG11628A (en) 1977-09-30
NO139017C (en) 1978-12-20
NO139017B (en) 1978-09-11
NO145319C (en) 1982-02-24
NO145319B (en) 1981-11-16
OA04323A (en) 1980-01-15

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