DK247681A - Fremgangsmaade og anlaeg til sondering af jordformationerne omkring et borehul - Google Patents

Fremgangsmaade og anlaeg til sondering af jordformationerne omkring et borehul

Info

Publication number
DK247681A
DK247681A DK247681A DK247681A DK247681A DK 247681 A DK247681 A DK 247681A DK 247681 A DK247681 A DK 247681A DK 247681 A DK247681 A DK 247681A DK 247681 A DK247681 A DK 247681A
Authority
DK
Denmark
Prior art keywords
substrating
bill
procedure
equipment
forms around
Prior art date
Application number
DK247681A
Other languages
English (en)
Inventor
R R Randall
Original Assignee
Dresser Ind
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 US06/156,971 external-priority patent/US4315148A/en
Application filed by Dresser Ind filed Critical Dresser Ind
Publication of DK247681A publication Critical patent/DK247681A/da

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
    • G01V5/107—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
    • G01V5/108—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 the neutron source being of the pulsed type
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N23/00—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00
    • G01N23/22—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by measuring secondary emission from the material
    • G01N23/221—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by measuring secondary emission from the material by activation analysis
    • G01N23/222—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by measuring secondary emission from the material by activation analysis using neutron activation analysis [NAA]
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2223/00—Investigating materials by wave or particle radiation
    • G01N2223/07—Investigating materials by wave or particle radiation secondary emission
    • G01N2223/074—Investigating materials by wave or particle radiation secondary emission activation analysis
    • G01N2223/0745—Investigating materials by wave or particle radiation secondary emission activation analysis neutron-gamma activation analysis
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2223/00—Investigating materials by wave or particle radiation
    • G01N2223/60—Specific applications or type of materials
    • G01N2223/616—Specific applications or type of materials earth materials

Landscapes

  • Physics & Mathematics (AREA)
  • High Energy & Nuclear Physics (AREA)
  • General Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Geophysics (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)
  • Geophysics And Detection Of Objects (AREA)
  • Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
DK247681A 1980-06-06 1981-06-04 Fremgangsmaade og anlaeg til sondering af jordformationerne omkring et borehul DK247681A (da)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US06/156,971 US4315148A (en) 1980-06-06 1980-06-06 Method and apparatus for measuring neutron characteristics of material surrounding a borehole
US06/163,260 US4317034A (en) 1980-06-06 1980-06-26 Method and apparatus for measuring neutron characteristics of material surrounding a borehole

Publications (1)

Publication Number Publication Date
DK247681A true DK247681A (da) 1981-12-07

Family

ID=26853701

Family Applications (1)

Application Number Title Priority Date Filing Date
DK247681A DK247681A (da) 1980-06-06 1981-06-04 Fremgangsmaade og anlaeg til sondering af jordformationerne omkring et borehul

Country Status (7)

Country Link
US (1) US4317034A (da)
CA (1) CA1149970A (da)
DE (1) DE3123385A1 (da)
DK (1) DK247681A (da)
GB (1) GB2077427B (da)
NL (1) NL8102426A (da)
NO (1) NO811484L (da)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4600838A (en) * 1984-07-20 1986-07-15 Schlumberger Technology Corporation Methods and apparatus for measuring thermal neutron decay characteristics of earth formations
US4712007A (en) * 1985-04-01 1987-12-08 S.I.E., Inc. Pulsed neutron logging method using cumulative count curves
US4656354A (en) * 1985-04-10 1987-04-07 Dresser Industries, Inc. Method for induced gamma ray logging
US4645926A (en) * 1985-04-10 1987-02-24 Dresser Industries, Inc. Method for induced gamma ray logging
US4697078A (en) * 1985-04-10 1987-09-29 Western Atlas International, Inc. Method for quality control of counting logs
US4668863A (en) * 1985-04-10 1987-05-26 Dresser Industries, Inc. Neutron logging time spectral data acquisition system and method
GB2392975B (en) * 2002-09-13 2005-11-23 Reeves Wireline Tech Ltd Method of logging a borehole

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3379884A (en) * 1954-06-10 1968-04-23 Dresser Ind Method and apparatus for neutron lifetime well logging
US3566116A (en) * 1966-11-08 1971-02-23 Schlumberger Technology Corp Method and apparatus for measuring neutron characteristics of a material surrounding a well bore
US3379882A (en) * 1967-03-16 1968-04-23 Dresser Ind Method and apparatus for neutron well logging based on the lifetime of neutrons in the formations
US4046764A (en) * 1975-04-02 1977-09-06 Dresser Industries, Inc. Method and apparatus for measuring the thermal neutron absorption rate in earth formations
US4267447A (en) * 1978-10-26 1981-05-12 Schlumberger Technology Corp. Methods and apparatus for measuring thermal neutron decay characteristics of earth formations
US4223218A (en) * 1978-10-26 1980-09-16 Schlumberger Technology Corporation Methods and apparatus for optimizing measurements of thermal neutron decay characteristics

Also Published As

Publication number Publication date
CA1149970A (en) 1983-07-12
GB2077427A (en) 1981-12-16
NL8102426A (nl) 1982-01-04
NO811484L (no) 1981-12-07
GB2077427B (en) 1984-01-18
DE3123385A1 (de) 1982-06-16
US4317034A (en) 1982-02-23

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