JPS62473B2 - - Google Patents
Info
- Publication number
- JPS62473B2 JPS62473B2 JP51035900A JP3590076A JPS62473B2 JP S62473 B2 JPS62473 B2 JP S62473B2 JP 51035900 A JP51035900 A JP 51035900A JP 3590076 A JP3590076 A JP 3590076A JP S62473 B2 JPS62473 B2 JP S62473B2
- Authority
- JP
- Japan
- Prior art keywords
- neutron
- time
- pulse
- formation
- measured
- Prior art date
- Legal status (The legal status 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 status listed.)
- Expired
Links
- 230000015572 biosynthetic process Effects 0.000 claims description 63
- 238000005755 formation reaction Methods 0.000 claims description 63
- 238000001228 spectrum Methods 0.000 claims description 60
- 238000001514 detection method Methods 0.000 claims description 52
- 238000000034 method Methods 0.000 claims description 50
- 230000005251 gamma ray Effects 0.000 claims description 38
- 238000005259 measurement Methods 0.000 claims description 22
- 230000003993 interaction Effects 0.000 claims description 16
- 239000002131 composite material Substances 0.000 claims description 14
- 239000000203 mixture Substances 0.000 claims description 14
- 230000004044 response Effects 0.000 claims description 13
- 238000010183 spectrum analysis Methods 0.000 claims description 10
- 230000001678 irradiating effect Effects 0.000 claims description 6
- 230000008569 process Effects 0.000 claims description 6
- 230000003595 spectral effect Effects 0.000 description 24
- 238000000084 gamma-ray spectrum Methods 0.000 description 22
- 239000004020 conductor Substances 0.000 description 18
- 238000004364 calculation method Methods 0.000 description 14
- 238000004458 analytical method Methods 0.000 description 12
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 10
- 239000000463 material Substances 0.000 description 10
- 239000001301 oxygen Substances 0.000 description 10
- 229910052760 oxygen Inorganic materials 0.000 description 10
- 230000005855 radiation Effects 0.000 description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 10
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 8
- HCHKCACWOHOZIP-IGMARMGPSA-N Zinc-65 Chemical compound [65Zn] HCHKCACWOHOZIP-IGMARMGPSA-N 0.000 description 8
- 239000013078 crystal Substances 0.000 description 8
- 230000000694 effects Effects 0.000 description 8
- 238000001730 gamma-ray spectroscopy Methods 0.000 description 8
- 238000012545 processing Methods 0.000 description 8
- 239000012530 fluid Substances 0.000 description 7
- 239000011435 rock Substances 0.000 description 7
- 238000010521 absorption reaction Methods 0.000 description 6
- 230000008859 change Effects 0.000 description 6
- 229930195733 hydrocarbon Natural products 0.000 description 6
- 150000002430 hydrocarbons Chemical class 0.000 description 6
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 5
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 5
- 239000011575 calcium Substances 0.000 description 5
- 229910052791 calcium Inorganic materials 0.000 description 5
- 239000000470 constituent Substances 0.000 description 5
- 238000013480 data collection Methods 0.000 description 5
- 239000001257 hydrogen Substances 0.000 description 5
- 229910052739 hydrogen Inorganic materials 0.000 description 5
- 239000003921 oil Substances 0.000 description 5
- 239000010703 silicon Substances 0.000 description 5
- 229910052710 silicon Inorganic materials 0.000 description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 4
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 4
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 4
- 235000019738 Limestone Nutrition 0.000 description 4
- 229910052799 carbon Inorganic materials 0.000 description 4
- 239000000460 chlorine Substances 0.000 description 4
- 229910052801 chlorine Inorganic materials 0.000 description 4
- 229910052742 iron Inorganic materials 0.000 description 4
- 239000006028 limestone Substances 0.000 description 4
- 230000006641 stabilisation Effects 0.000 description 4
- 238000011105 stabilization Methods 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 3
- 230000007423 decrease Effects 0.000 description 3
- -1 sodium-activated cesium iodide Chemical class 0.000 description 3
- 238000004611 spectroscopical analysis Methods 0.000 description 3
- 230000001360 synchronised effect Effects 0.000 description 3
- 239000004215 Carbon black (E152) Substances 0.000 description 2
- 230000002411 adverse Effects 0.000 description 2
- 239000012267 brine Substances 0.000 description 2
- 238000011088 calibration curve Methods 0.000 description 2
- 239000004568 cement Substances 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 238000011835 investigation Methods 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical compound O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 229910052716 thallium Inorganic materials 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- ZCYVEMRRCGMTRW-UHFFFAOYSA-N 7553-56-2 Chemical compound [I] ZCYVEMRRCGMTRW-UHFFFAOYSA-N 0.000 description 1
- 229910052580 B4C Inorganic materials 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000006096 absorbing agent Substances 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- INAHAJYZKVIDIZ-UHFFFAOYSA-N boron carbide Chemical compound B12B3B4C32B41 INAHAJYZKVIDIZ-UHFFFAOYSA-N 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000004069 differentiation Effects 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- YFKPABFAJKUPTN-UHFFFAOYSA-N germanium lithium Chemical compound [Li].[Ge] YFKPABFAJKUPTN-UHFFFAOYSA-N 0.000 description 1
- 230000009931 harmful effect Effects 0.000 description 1
- SWQJXJOGLNCZEY-BJUDXGSMSA-N helium-3 atom Chemical compound [3He] SWQJXJOGLNCZEY-BJUDXGSMSA-N 0.000 description 1
- 150000002431 hydrogen Chemical class 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000001427 incoherent neutron scattering Methods 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 229910052740 iodine Inorganic materials 0.000 description 1
- 239000011630 iodine Substances 0.000 description 1
- 239000004579 marble Substances 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 230000002285 radioactive effect Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 230000001960 triggered effect 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)
- Analysing Materials By The Use Of Radiation (AREA)
- Measurement Of Radiation (AREA)
- Sampling And Sample Adjustment (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US56335975A | 1975-03-31 | 1975-03-31 | |
| US05/563,510 US4031367A (en) | 1975-03-31 | 1975-03-31 | Methods and apparatus for pulse height analyzer offset control |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS51121401A JPS51121401A (en) | 1976-10-23 |
| JPS62473B2 true JPS62473B2 (no) | 1987-01-08 |
Family
ID=27073260
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP51035900A Granted JPS51121401A (en) | 1975-03-31 | 1976-03-31 | Method of investigating strata wherf drilling passes through |
Country Status (12)
| Country | Link |
|---|---|
| JP (1) | JPS51121401A (no) |
| AU (1) | AU500341B2 (no) |
| BR (1) | BR7601955A (no) |
| DE (1) | DE2613259A1 (no) |
| EG (1) | EG13061A (no) |
| FR (1) | FR2308937A1 (no) |
| IT (1) | IT1067520B (no) |
| MX (1) | MX3468E (no) |
| NL (1) | NL7603328A (no) |
| NO (1) | NO144650C (no) |
| OA (1) | OA05294A (no) |
| TR (1) | TR19525A (no) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2485752A1 (fr) * | 1980-06-25 | 1981-12-31 | Schlumberger Prospection | Procede et dispositif de mesure de rayons gamma dans un sondage |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3264475A (en) * | 1962-12-31 | 1966-08-02 | Atlantic Refining Co | Method for calibrating a radioactive logging system |
| US3534401A (en) * | 1966-04-20 | 1970-10-13 | Dresser Ind | Computer for well logging system |
| US3566117A (en) * | 1968-01-05 | 1971-02-23 | Schlumberger Technology Corp | Measuring technique |
| US3760281A (en) * | 1970-10-27 | 1973-09-18 | Coulter Electronics | Axial trajectory sensor having gating means controlled by pulse duration measuring for electronic particle study apparatus |
| US3829686A (en) * | 1971-09-20 | 1974-08-13 | Texaco Inc | Pulsed neutron logging system with gain compensation |
-
1976
- 1976-03-16 AU AU12029/76A patent/AU500341B2/en not_active Expired
- 1976-03-22 NO NO761005A patent/NO144650C/no unknown
- 1976-03-27 DE DE19762613259 patent/DE2613259A1/de active Granted
- 1976-03-27 EG EG183/76A patent/EG13061A/xx active
- 1976-03-29 FR FR7609011A patent/FR2308937A1/fr active Granted
- 1976-03-30 MX MX100290U patent/MX3468E/es unknown
- 1976-03-31 OA OA55789A patent/OA05294A/xx unknown
- 1976-03-31 BR BR7601955A patent/BR7601955A/pt unknown
- 1976-03-31 JP JP51035900A patent/JPS51121401A/ja active Granted
- 1976-03-31 IT IT21760/76A patent/IT1067520B/it active
- 1976-03-31 NL NL7603328A patent/NL7603328A/xx not_active Application Discontinuation
-
1977
- 1977-03-31 TR TR19525A patent/TR19525A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| FR2308937B1 (no) | 1979-04-06 |
| OA05294A (fr) | 1981-02-28 |
| DE2613259A1 (de) | 1976-12-16 |
| AU500341B2 (en) | 1979-05-17 |
| NO144650C (no) | 1981-10-07 |
| NO761005L (no) | 1976-10-01 |
| BR7601955A (pt) | 1976-10-05 |
| AU1202976A (en) | 1977-09-29 |
| IT1067520B (it) | 1985-03-16 |
| MX3468E (es) | 1980-12-09 |
| EG13061A (en) | 1980-10-31 |
| FR2308937A1 (fr) | 1976-11-19 |
| NO144650B (no) | 1981-06-29 |
| DE2613259C2 (no) | 1989-06-22 |
| NL7603328A (nl) | 1976-10-04 |
| TR19525A (tr) | 1979-06-27 |
| JPS51121401A (en) | 1976-10-23 |
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