CO5040208A1 - Metodo y aparato para determinar la densidad de formaciones terrestres - Google Patents

Metodo y aparato para determinar la densidad de formaciones terrestres

Info

Publication number
CO5040208A1
CO5040208A1 CO97006867A CO97006867A CO5040208A1 CO 5040208 A1 CO5040208 A1 CO 5040208A1 CO 97006867 A CO97006867 A CO 97006867A CO 97006867 A CO97006867 A CO 97006867A CO 5040208 A1 CO5040208 A1 CO 5040208A1
Authority
CO
Colombia
Prior art keywords
formations
density
hole
gamma rays
determining
Prior art date
Application number
CO97006867A
Other languages
English (en)
Inventor
Michael L Evans
Original Assignee
Anadril Internat S A
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 Anadril Internat S A filed Critical Anadril Internat S A
Publication of CO5040208A1 publication Critical patent/CO5040208A1/es

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
    • G01V5/10—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
    • 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
    • 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
    • G01V5/107—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 reflected or back-scattered neutrons

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)
  • Analysing Materials By The Use Of Radiation (AREA)
  • Geophysics And Detection Of Objects (AREA)
  • Measurement Of Radiation (AREA)

Abstract

Un método para determinar la densidad de formacionessubterráneas alrededor de un hoyo, que comprende: a) irradiar las formaciones con neutrones de alta energía desde dentro del hoyo; b) detectar rayos gamma en el hoyo como resultado de la irradiación con neutrones de alta energía; y c) analizar los rayos gamma detectados para determinar la densidad de las formaciones. Un método para determinar la densidad de formaciones subterráneas que rodean un hoy, el cual comprende: a) crear una fuente de rayos gamma en las formaciones, irradiando las formaciones dentro del hoyo; b) detectar rayos gamma de la fuente en el hoyo; y c) analizar los rayos gamma detectados para determinar la densidad de las formaciones. 1Un aparato para determinar la densidad de formaciones subterráneas alrededor de un hoyo, que comprende: a) una estructura de herramienta; b) fuente neutrónica de alta energía en la estructura para irradiar las formaciones desde dentro del hoyo; c) un detector que detecte rayos gamma en el hoyo como resultado de la irradiación de las formaciones con neutrones de alta energía; y d) medios para analizar los rayos gamma detectados con el fin de determinar la densidad de las formaciones.
CO97006867A 1996-02-12 1997-02-11 Metodo y aparato para determinar la densidad de formaciones terrestres CO5040208A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/599,712 US5608215A (en) 1994-09-16 1996-02-12 Method and apparatus for determining density of earth formations

Publications (1)

Publication Number Publication Date
CO5040208A1 true CO5040208A1 (es) 2001-05-29

Family

ID=24400768

Family Applications (1)

Application Number Title Priority Date Filing Date
CO97006867A CO5040208A1 (es) 1996-02-12 1997-02-11 Metodo y aparato para determinar la densidad de formaciones terrestres

Country Status (11)

Country Link
US (1) US5608215A (es)
EP (1) EP0790508B1 (es)
CN (1) CN1158541C (es)
AU (1) AU722029B2 (es)
BR (1) BR9700909B1 (es)
CA (1) CA2196636C (es)
CO (1) CO5040208A1 (es)
DE (1) DE69737959T2 (es)
ID (1) ID16452A (es)
MY (1) MY119506A (es)
NO (1) NO313438B1 (es)

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Also Published As

Publication number Publication date
AU722029B2 (en) 2000-07-20
EP0790508A2 (en) 1997-08-20
BR9700909B1 (pt) 2012-01-10
NO970628L (no) 1997-08-13
CA2196636A1 (en) 1997-08-13
MY119506A (en) 2005-06-30
CN1162740A (zh) 1997-10-22
EP0790508A3 (en) 2002-01-23
NO313438B1 (no) 2002-09-30
DE69737959T2 (de) 2008-04-24
DE69737959D1 (de) 2007-09-13
US5608215A (en) 1997-03-04
MX9701047A (es) 1998-05-31
NO970628D0 (no) 1997-02-11
AU1249197A (en) 1997-08-21
BR9700909A (pt) 1999-01-12
CA2196636C (en) 2000-03-14
EP0790508B1 (en) 2007-08-01
ID16452A (id) 1997-10-02
CN1158541C (zh) 2004-07-21

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