BR7801603A - Processo e aparelho para determinar a porosidade de formacoes terrestres - Google Patents

Processo e aparelho para determinar a porosidade de formacoes terrestres

Info

Publication number
BR7801603A
BR7801603A BR7801603A BR7801603A BR7801603A BR 7801603 A BR7801603 A BR 7801603A BR 7801603 A BR7801603 A BR 7801603A BR 7801603 A BR7801603 A BR 7801603A BR 7801603 A BR7801603 A BR 7801603A
Authority
BR
Brazil
Prior art keywords
porosity
terrestrial formations
formations
terrestrial
Prior art date
Application number
BR7801603A
Other languages
English (en)
Inventor
H Smith
M Smith
W Schultz
Original Assignee
Texaco Development Corp
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 US05/789,059 external-priority patent/US4122340A/en
Priority claimed from US05/789,057 external-priority patent/US4122339A/en
Priority claimed from US05/789,058 external-priority patent/US4134011A/en
Application filed by Texaco Development Corp filed Critical Texaco Development Corp
Publication of BR7801603A publication Critical patent/BR7801603A/pt

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
    • G01V5/105—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 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)
  • Sampling And Sample Adjustment (AREA)
BR7801603A 1977-04-20 1978-03-16 Processo e aparelho para determinar a porosidade de formacoes terrestres BR7801603A (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US05/789,059 US4122340A (en) 1977-04-20 1977-04-20 Pulsed neutron porosity logging system
US05/789,057 US4122339A (en) 1977-04-20 1977-04-20 Earth formation pulsed neutron porosity logging system utilizing epithermal neutron and inelastic scattering gamma ray detectors
US05/789,058 US4134011A (en) 1977-04-20 1977-04-20 Earth formation porosity log using measurement of fast neutron energy spectrum

Publications (1)

Publication Number Publication Date
BR7801603A true BR7801603A (pt) 1978-12-05

Family

ID=27419865

Family Applications (1)

Application Number Title Priority Date Filing Date
BR7801603A BR7801603A (pt) 1977-04-20 1978-03-16 Processo e aparelho para determinar a porosidade de formacoes terrestres

Country Status (9)

Country Link
AU (1) AU506516B2 (pt)
BR (1) BR7801603A (pt)
CA (1) CA1103814A (pt)
DE (1) DE2756328A1 (pt)
FR (1) FR2388269A1 (pt)
GB (1) GB1582589A (pt)
MX (1) MX4924E (pt)
NO (1) NO147009C (pt)
NZ (1) NZ185984A (pt)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4631405A (en) * 1984-12-05 1986-12-23 Halliburton Company Method and apparatus for dual-spaced fast/epithermal neutron porosity measurements
EP1579202B1 (en) 2002-12-10 2007-04-18 Commonwealth Scientific And Industrial Research Organisation Radiographic equipment
DE102005039702A1 (de) * 2005-08-23 2007-04-26 IUT Institut für Umwelttechnologien GmbH Verfahren zur Identifizierung von Substanzen mittels Neutronenrückstreuung

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2971094A (en) * 1956-12-27 1961-02-07 Gulf Research Development Co Well logging
US3214587A (en) * 1961-05-12 1965-10-26 Dresser Ind Radioactivity well logging apparatus utilizing a scintillation detector
GB1065784A (en) * 1964-04-07 1967-04-19 Dresser Ind Improvements in or relating to method and apparatus for pulsed well logging
US3491238A (en) * 1966-08-16 1970-01-20 Mobil Oil Corp Porosity logging employing two thermal neutron detectors spaced relatively far from neutron source
US3691378A (en) * 1970-06-26 1972-09-12 Dresser Ind Simultaneous pulsed neutron well logging
US3774033A (en) * 1972-05-17 1973-11-20 Texaco Inc Dual spaced epithermal neutron detector porosity logging

Also Published As

Publication number Publication date
DE2756328A1 (de) 1978-10-26
NZ185984A (en) 1981-10-19
MX4924E (es) 1983-01-03
FR2388269A1 (fr) 1978-11-17
NO774306L (no) 1978-10-23
AU506516B2 (en) 1980-01-10
AU3159577A (en) 1979-07-05
CA1103814A (en) 1981-06-23
GB1582589A (en) 1981-01-14
NO147009B (no) 1982-10-04
FR2388269B1 (pt) 1984-03-16
NO147009C (no) 1983-01-12

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