ATE67608T1 - Verfahren und vorrichtung zur messung der thermischen zerfallszeit in einem bohrloch. - Google Patents

Verfahren und vorrichtung zur messung der thermischen zerfallszeit in einem bohrloch.

Info

Publication number
ATE67608T1
ATE67608T1 AT87400187T AT87400187T ATE67608T1 AT E67608 T1 ATE67608 T1 AT E67608T1 AT 87400187 T AT87400187 T AT 87400187T AT 87400187 T AT87400187 T AT 87400187T AT E67608 T1 ATE67608 T1 AT E67608T1
Authority
AT
Austria
Prior art keywords
series
time gates
time
burst
borehole
Prior art date
Application number
AT87400187T
Other languages
English (en)
Inventor
Peter Wraight
Original Assignee
Schlumberger Ltd
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
Application filed by Schlumberger Ltd filed Critical Schlumberger Ltd
Application granted granted Critical
Publication of ATE67608T1 publication Critical patent/ATE67608T1/de

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01VGEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V5/00Prospecting or detecting by the use of ionising radiation, e.g. of natural or induced radioactivity
    • G01V5/04Prospecting or detecting by the use of ionising radiation, e.g. of natural or induced radioactivity specially adapted for well-logging
    • G01V5/08Prospecting 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
    • G01V5/10Prospecting 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
    • G01V5/104Prospecting 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
    • G01V5/105Prospecting 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
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01VGEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V5/00Prospecting or detecting by the use of ionising radiation, e.g. of natural or induced radioactivity
    • G01V5/04Prospecting or detecting by the use of ionising radiation, e.g. of natural or induced radioactivity specially adapted for well-logging
    • G01V5/08Prospecting 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
    • G01V5/10Prospecting 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
    • G01V5/101Prospecting 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
    • G01V5/102Prospecting 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
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01VGEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V5/00Prospecting or detecting by the use of ionising radiation, e.g. of natural or induced radioactivity
    • G01V5/04Prospecting or detecting by the use of ionising radiation, e.g. of natural or induced radioactivity specially adapted for well-logging
    • G01V5/08Prospecting 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
    • G01V5/10Prospecting 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
    • G01V5/107Prospecting 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 reflected or back-scattered neutrons
    • G01V5/108Prospecting 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 reflected or back-scattered neutrons 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)
  • Investigating Or Analyzing Materials Using Thermal Means (AREA)
  • Measurement Of Radiation (AREA)
  • Memory System Of A Hierarchy Structure (AREA)
  • Debugging And Monitoring (AREA)
  • Heat Sensitive Colour Forming Recording (AREA)
  • Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
  • Pressure Welding/Diffusion-Bonding (AREA)
  • Recording Measured Values (AREA)
AT87400187T 1986-01-31 1987-01-28 Verfahren und vorrichtung zur messung der thermischen zerfallszeit in einem bohrloch. ATE67608T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US82518286A 1986-01-31 1986-01-31
EP87400187A EP0240372B1 (de) 1986-01-31 1987-01-28 Verfahren und Vorrichtung zur Messung der thermischen Zerfallszeit in einem Bohrloch

Publications (1)

Publication Number Publication Date
ATE67608T1 true ATE67608T1 (de) 1991-10-15

Family

ID=25243314

Family Applications (1)

Application Number Title Priority Date Filing Date
AT87400187T ATE67608T1 (de) 1986-01-31 1987-01-28 Verfahren und vorrichtung zur messung der thermischen zerfallszeit in einem bohrloch.

Country Status (18)

Country Link
EP (1) EP0240372B1 (de)
JP (1) JP2624245B2 (de)
AT (1) ATE67608T1 (de)
AU (1) AU597023B2 (de)
BR (1) BR8700448A (de)
CA (1) CA1255397A (de)
DE (1) DE3773030D1 (de)
DK (1) DK172868B1 (de)
EG (1) EG18096A (de)
ES (1) ES2026186T3 (de)
GR (1) GR3003317T3 (de)
IE (1) IE59595B1 (de)
MA (1) MA20865A1 (de)
MY (1) MY101045A (de)
NO (1) NO171655C (de)
OA (1) OA08474A (de)
TN (1) TNSN87013A1 (de)
TR (1) TR28202A (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE68910522T2 (de) * 1988-05-11 1994-04-07 Mobil Oil Corp Verfahren zur analyse exponentieller daten.
US5081351A (en) * 1990-10-31 1992-01-14 Schlumberger Technology Corporation Method and apparatus for borehole correction in capture gamma ray spectroscopy measurements

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4326129A (en) * 1978-05-10 1982-04-20 Jacob Neufeld Evaluation of the interaction with radiant energy of substances traversed by a bore hole
US4223218A (en) * 1978-10-26 1980-09-16 Schlumberger Technology Corporation Methods and apparatus for optimizing measurements of thermal neutron decay characteristics
US4292518A (en) * 1978-10-26 1981-09-29 Schlumberger Technology Corp. Methods and apparatus for measuring thermal neutron decay characteristics of earth formations
US4409481A (en) * 1980-08-28 1983-10-11 Halliburton Company Method for simultaneous measurement of thermal neutron decay components
US4424444A (en) * 1980-08-28 1984-01-03 Halliburton Company Method for simultaneous measurement of borehole and formation neutron lifetimes
US4625111A (en) * 1985-02-04 1986-11-25 Halliburton Company Method and apparatus for pulsed neutron capture measurement of borehole conditions and formation hydrogen index

Also Published As

Publication number Publication date
CA1255397A (en) 1989-06-06
DK51687D0 (da) 1987-01-30
TNSN87013A1 (fr) 1990-01-01
TR28202A (tr) 1996-03-01
JPS6355489A (ja) 1988-03-09
EP0240372A1 (de) 1987-10-07
IE870250L (en) 1987-07-31
DK172868B1 (da) 1999-08-23
DE3773030D1 (de) 1991-10-24
MA20865A1 (fr) 1987-10-01
ES2026186T3 (es) 1992-04-16
IE59595B1 (en) 1994-03-09
NO870171D0 (no) 1987-01-15
GR3003317T3 (en) 1993-02-17
EP0240372B1 (de) 1991-09-18
NO870171L (no) 1987-08-03
AU6817287A (en) 1987-08-06
NO171655B (no) 1993-01-04
NO171655C (no) 1993-04-14
JP2624245B2 (ja) 1997-06-25
OA08474A (en) 1988-07-29
MY101045A (en) 1991-07-16
DK51687A (da) 1987-08-01
AU597023B2 (en) 1990-05-24
BR8700448A (pt) 1987-12-15
EG18096A (en) 1992-08-30

Similar Documents

Publication Publication Date Title
GB2195444B (en) Method and apparatus for testing timbers for disconformity or decay
JPS5739372A (en) Apparatus for measuring ray coming from stratum pirced by boring and method of measuring characteristics of stratum
JPS5757247A (en) Method of and apparatus or detecting microscopic matters by x rays
EP0225705A3 (de) Methode und Einrichtung zur Sammlung von zeitabhängigen Daten
PH17219A (en) Method and apparatus for nuclear well logging with optimized timing for simultaneous measurement of thermal neutron decay time and gamma ray pulse height spectra
JPS5260172A (en) Method of apparatus for pulse detection in underground sound locator
EP0231602A3 (de) Verfahren und Gerät zur Überwachung der Radioaktivitätskonzentration von in der Luft schwebenden Actinidenteilchen
GB2263767A (en) Analysing radiation detector pulses
ATE67608T1 (de) Verfahren und vorrichtung zur messung der thermischen zerfallszeit in einem bohrloch.
GB1242520A (en) Photoelectric read-out apparatus
EP0081075A1 (de) Verfahren und Vorrichtung für eine, mit Neutronen induzierten Gammastrahlen arbeitende Bohrlochsonde
EP0348098A3 (de) Verfahren zur Messung von Gammastrahlung in Bohrlöchern
US4317034A (en) Method and apparatus for measuring neutron characteristics of material surrounding a borehole
ES8103385A1 (es) Un metodo para la deteccion del decaimiento en el tiempo de neutrones termicos en una formacion terrestre
DE69013625D1 (de) Verfahren und Vorrichtung zur Messung von Szintillations-Impulshöhen.
DE68913104D1 (de) Verfahren und Vorrichtung zur Isotopentrennung.
CA2440558A1 (en) Method of logging a borehole
DE3586405D1 (de) Verfahren und vorrichtung zur simulation der funktion eines systems.
ATA168086A (de) Verfahren zur ueberpruefung der enrgie eines ionenstrahles
SU1464113A1 (ru) Способ измерени числа истинных тройных совпадений и устройство дл его осуществлени
DE59007891D1 (de) Verfahren und Vorrichtung zum Messen der Strahlungsabsorption durch ein Medium.
OA07915A (fr) Procédé et dispositif de détection sismique.
ATE59467T1 (de) Verfahren und vorrichtung zum ermitteln der abmessungen eines laenglichen pruefobjektes.
ZA821450B (en) An apparatus for and a method of testing detonating systems
SE9903005L (sv) Apparat för att detektera partiklar från radioaktivt sönderfall, samt en metod för att mäta halten av radioaktivitet

Legal Events

Date Code Title Description
UEP Publication of translation of european patent specification
REN Ceased due to non-payment of the annual fee