DK535682A - Fremgangsmaade ved og anlaeg til broendlogging med neutroninducerede gammastraaler - Google Patents
Fremgangsmaade ved og anlaeg til broendlogging med neutroninducerede gammastraaler Download PDFInfo
- Publication number
- DK535682A DK535682A DK535682A DK535682A DK535682A DK 535682 A DK535682 A DK 535682A DK 535682 A DK535682 A DK 535682A DK 535682 A DK535682 A DK 535682A DK 535682 A DK535682 A DK 535682A
- Authority
- DK
- Denmark
- Prior art keywords
- brouglogging
- gamm
- neutron
- rays
- induced
- Prior art date
Links
- 238000000034 method Methods 0.000 title 1
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
- G01V5/101—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
- G01V5/102—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 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)
- Earth Drilling (AREA)
- Drilling Tools (AREA)
- Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/326,862 US4446368A (en) | 1981-12-03 | 1981-12-03 | Method and apparatus for neutron induced gamma ray well logging |
Publications (1)
Publication Number | Publication Date |
---|---|
DK535682A true DK535682A (da) | 1983-06-04 |
Family
ID=23274048
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DK535682A DK535682A (da) | 1981-12-03 | 1982-12-02 | Fremgangsmaade ved og anlaeg til broendlogging med neutroninducerede gammastraaler |
Country Status (4)
Country | Link |
---|---|
US (1) | US4446368A (da) |
EP (1) | EP0081075A1 (da) |
DK (1) | DK535682A (da) |
NO (1) | NO823635L (da) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4656354A (en) * | 1985-04-10 | 1987-04-07 | Dresser Industries, Inc. | Method for induced gamma ray logging |
US5539788A (en) * | 1992-10-08 | 1996-07-23 | Westinghouse Electric Corporation | Prompt gamma neutron activation analysis system |
US5412206A (en) * | 1994-02-18 | 1995-05-02 | Westinghouse Electric Company | Method and apparatus for determining the depth of a gamma emitting element beneath the surface |
US5781602A (en) * | 1996-05-17 | 1998-07-14 | Westinghouse Electric Corporation | PGNAA system for non-invasively inspecting RPV weld metal in situ, to determine the presence and amount of trace embrittlement-enhancing element |
DE19745669B4 (de) * | 1997-10-17 | 2004-03-04 | Bruker Daltonik Gmbh | Analysensystem zur zerstörungsfreien Identifikation des Inhalts von Objekten, insbesondere von Sprengstoff und chemischen Kampfstoffen |
US20030076914A1 (en) | 2001-10-23 | 2003-04-24 | Tiller Donald E. | Method and apparatus for measuring radiation in a borehole |
US7365307B2 (en) * | 2005-02-28 | 2008-04-29 | Schlumberger Technology Corporation | Sigma/porosity tools with neutron monitors |
US7642507B2 (en) * | 2005-02-28 | 2010-01-05 | Schlumberger Technology Corporation | Apparatus and methods for interlaced density and neutron measurements |
US7361886B2 (en) * | 2005-02-28 | 2008-04-22 | Schlumberger Technology Corporation | Corrections of gamma-ray responses |
US20080232532A1 (en) * | 2005-04-29 | 2008-09-25 | Larsen Lewis G | Apparatus and Method for Generation of Ultra Low Momentum Neutrons |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA775669A (en) * | 1968-01-09 | O. Seevers Delmar | Modulated neutron logging method | |
US3492481A (en) * | 1966-10-14 | 1970-01-27 | Exxon Production Research Co | System and method for remote control of a radioactivity logging tool |
US3780301A (en) * | 1971-09-20 | 1973-12-18 | Texaco Inc | Pulsed neutron logging systems for detecting gas zones |
US3780303A (en) * | 1971-09-20 | 1973-12-18 | Texaco Inc | Pulsed neutron logging with background compensation |
US3780302A (en) * | 1971-09-20 | 1973-12-18 | Texaco Inc | Pulsed neutron logging system |
US4008392A (en) * | 1973-09-19 | 1977-02-15 | Exxon Production Research Company | Method for determining fluid type and lithology of subterranean formations |
US4136278A (en) * | 1977-07-14 | 1979-01-23 | Dresser Industries, Inc. | Method and apparatus for pulsed neutron spectral analysis using spectral stripping |
US4239965A (en) * | 1979-03-05 | 1980-12-16 | Dresser Industries, Inc. | Method and apparatus for neutron induced gamma ray logging for direct porosity identification |
US4284886A (en) * | 1979-04-11 | 1981-08-18 | Schlumberger Technology Corporation | Random pulsing of neutron source for inelastic neutron scattering gamma ray spectroscopy |
-
1981
- 1981-12-03 US US06/326,862 patent/US4446368A/en not_active Expired - Lifetime
-
1982
- 1982-10-25 EP EP82109843A patent/EP0081075A1/en not_active Withdrawn
- 1982-11-02 NO NO823635A patent/NO823635L/no unknown
- 1982-12-02 DK DK535682A patent/DK535682A/da unknown
Also Published As
Publication number | Publication date |
---|---|
EP0081075A1 (en) | 1983-06-15 |
US4446368A (en) | 1984-05-01 |
NO823635L (no) | 1983-06-06 |
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