NO823635L - Fremgangsmaate og apparat for logging i grunnformasjoner som omgir et borehull. - Google Patents
Fremgangsmaate og apparat for logging i grunnformasjoner som omgir et borehull.Info
- Publication number
- NO823635L NO823635L NO823635A NO823635A NO823635L NO 823635 L NO823635 L NO 823635L NO 823635 A NO823635 A NO 823635A NO 823635 A NO823635 A NO 823635A NO 823635 L NO823635 L NO 823635L
- Authority
- NO
- Norway
- Prior art keywords
- bursts
- radiation
- detected
- circuit
- gamma radiation
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims description 25
- 230000005855 radiation Effects 0.000 claims description 67
- 230000015572 biosynthetic process Effects 0.000 claims description 21
- 238000005755 formation reaction Methods 0.000 claims description 21
- 230000003595 spectral effect Effects 0.000 claims description 7
- 230000001419 dependent effect Effects 0.000 claims description 3
- 230000001678 irradiating effect Effects 0.000 claims 2
- 239000000463 material Substances 0.000 claims 2
- 206010037844 rash Diseases 0.000 claims 2
- 239000002689 soil Substances 0.000 claims 2
- 230000009429 distress Effects 0.000 claims 1
- 239000002023 wood Substances 0.000 claims 1
- 238000001514 detection method Methods 0.000 description 34
- 239000003990 capacitor Substances 0.000 description 10
- 230000005540 biological transmission Effects 0.000 description 9
- 230000004913 activation Effects 0.000 description 8
- 238000001994 activation Methods 0.000 description 8
- 239000004020 conductor Substances 0.000 description 8
- 238000010586 diagram Methods 0.000 description 6
- 230000005251 gamma ray Effects 0.000 description 6
- 238000002360 preparation method Methods 0.000 description 4
- 238000005259 measurement Methods 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 230000010349 pulsation Effects 0.000 description 3
- FVAUCKIRQBBSSJ-UHFFFAOYSA-M sodium iodide Chemical compound [Na+].[I-] FVAUCKIRQBBSSJ-UHFFFAOYSA-M 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 230000007480 spreading Effects 0.000 description 2
- 238000003892 spreading Methods 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 230000036039 immunity Effects 0.000 description 1
- 238000001427 incoherent neutron scattering Methods 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 238000004181 pedogenesis Methods 0.000 description 1
- 238000002203 pretreatment Methods 0.000 description 1
- 230000002285 radioactive effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 235000009518 sodium iodide Nutrition 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 238000010183 spectrum analysis Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 230000002123 temporal effect Effects 0.000 description 1
- 230000008646 thermal stress Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 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)
- Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
- Earth Drilling (AREA)
- Drilling Tools (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 |
|---|---|
| NO823635L true NO823635L (no) | 1983-06-06 |
Family
ID=23274048
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO823635A NO823635L (no) | 1981-12-03 | 1982-11-02 | Fremgangsmaate og apparat for logging i grunnformasjoner som omgir et borehull. |
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 |
| US7361886B2 (en) * | 2005-02-28 | 2008-04-22 | Schlumberger Technology Corporation | Corrections of gamma-ray responses |
| US7642507B2 (en) * | 2005-02-28 | 2010-01-05 | Schlumberger Technology Corporation | Apparatus and methods for interlaced density and neutron measurements |
| US7365307B2 (en) * | 2005-02-28 | 2008-04-29 | Schlumberger Technology Corporation | Sigma/porosity tools with neutron monitors |
| WO2006119080A2 (en) * | 2005-04-29 | 2006-11-09 | 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 |
| US3780303A (en) * | 1971-09-20 | 1973-12-18 | Texaco Inc | Pulsed neutron logging with background compensation |
| US3780301A (en) * | 1971-09-20 | 1973-12-18 | Texaco Inc | Pulsed neutron logging systems for detecting gas zones |
| 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 |
|---|---|
| DK535682A (da) | 1983-06-04 |
| US4446368A (en) | 1984-05-01 |
| EP0081075A1 (en) | 1983-06-15 |
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