FR2475746A1 - Stabilisation de gain pour des appareils de carottage de puits par radioactivite - Google Patents
Stabilisation de gain pour des appareils de carottage de puits par radioactivite Download PDFInfo
- Publication number
- FR2475746A1 FR2475746A1 FR8002793A FR8002793A FR2475746A1 FR 2475746 A1 FR2475746 A1 FR 2475746A1 FR 8002793 A FR8002793 A FR 8002793A FR 8002793 A FR8002793 A FR 8002793A FR 2475746 A1 FR2475746 A1 FR 2475746A1
- Authority
- FR
- France
- Prior art keywords
- gain
- photomultiplier
- diode
- scintillator crystal
- photoluminescent
- 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.)
- Granted
Links
- 230000002285 radioactive effect Effects 0.000 title abstract description 3
- 239000003381 stabilizer Substances 0.000 title description 14
- 230000005855 radiation Effects 0.000 claims abstract description 11
- 230000015572 biosynthetic process Effects 0.000 claims abstract description 6
- 239000013078 crystal Substances 0.000 claims description 39
- 230000006641 stabilisation Effects 0.000 claims description 15
- 238000011105 stabilization Methods 0.000 claims description 15
- 238000005553 drilling Methods 0.000 claims description 7
- 239000012530 fluid Substances 0.000 claims description 7
- 230000000694 effects Effects 0.000 claims description 6
- 238000005755 formation reaction Methods 0.000 claims description 5
- 230000004044 response Effects 0.000 claims description 4
- 230000000087 stabilizing effect Effects 0.000 claims description 4
- 239000012780 transparent material Substances 0.000 claims description 3
- 230000031264 response to gamma radiation Effects 0.000 claims description 2
- 238000012360 testing method Methods 0.000 claims description 2
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 claims 1
- 230000008878 coupling Effects 0.000 claims 1
- 238000010168 coupling process Methods 0.000 claims 1
- 238000005859 coupling reaction Methods 0.000 claims 1
- 229910052708 sodium Inorganic materials 0.000 claims 1
- 239000011734 sodium Substances 0.000 claims 1
- 230000003019 stabilising effect Effects 0.000 abstract 2
- 239000000523 sample Substances 0.000 description 26
- 239000000463 material Substances 0.000 description 6
- 230000005251 gamma ray Effects 0.000 description 5
- 238000001228 spectrum Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 238000012545 processing Methods 0.000 description 4
- 238000013461 design Methods 0.000 description 3
- 230000003287 optical effect Effects 0.000 description 3
- FVAUCKIRQBBSSJ-UHFFFAOYSA-M sodium iodide Chemical compound [Na+].[I-] FVAUCKIRQBBSSJ-UHFFFAOYSA-M 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 239000004020 conductor Substances 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000000084 gamma-ray spectrum Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 230000008439 repair process Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- ZCYVEMRRCGMTRW-UHFFFAOYSA-N 7553-56-2 Chemical compound [I] ZCYVEMRRCGMTRW-UHFFFAOYSA-N 0.000 description 1
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 1
- 229920005479 Lucite® Polymers 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 238000001994 activation Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 229910052796 boron Inorganic materials 0.000 description 1
- XQPRBTXUXXVTKB-UHFFFAOYSA-M caesium iodide Chemical compound [I-].[Cs+] XQPRBTXUXXVTKB-UHFFFAOYSA-M 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 239000011630 iodine Substances 0.000 description 1
- 229910052740 iodine Inorganic materials 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 1
- 229910052753 mercury Inorganic materials 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000004926 polymethyl methacrylate Substances 0.000 description 1
- 238000011002 quantification Methods 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
- 239000000126 substance Substances 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
- 229910052716 thallium Inorganic materials 0.000 description 1
- BKVIYDNLLOSFOA-UHFFFAOYSA-N thallium Chemical compound [Tl] BKVIYDNLLOSFOA-UHFFFAOYSA-N 0.000 description 1
- 238000007725 thermal activation Methods 0.000 description 1
- ZSLUVFAKFWKJRC-UHFFFAOYSA-N thorium Chemical compound [Th] ZSLUVFAKFWKJRC-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01T—MEASUREMENT OF NUCLEAR OR X-RADIATION
- G01T1/00—Measuring X-radiation, gamma radiation, corpuscular radiation, or cosmic radiation
- G01T1/36—Measuring spectral distribution of X-rays or of nuclear radiation spectrometry
- G01T1/40—Stabilisation of spectrometers
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Physics & Mathematics (AREA)
- High Energy & Nuclear Physics (AREA)
- Health & Medical Sciences (AREA)
- Molecular Biology (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geophysics (AREA)
- Measurement Of Radiation (AREA)
- Geophysics And Detection Of Objects (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR8002793A FR2475746A1 (fr) | 1980-02-08 | 1980-02-08 | Stabilisation de gain pour des appareils de carottage de puits par radioactivite |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR8002793A FR2475746A1 (fr) | 1980-02-08 | 1980-02-08 | Stabilisation de gain pour des appareils de carottage de puits par radioactivite |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2475746A1 true FR2475746A1 (fr) | 1981-08-14 |
| FR2475746B1 FR2475746B1 (enExample) | 1984-07-20 |
Family
ID=9238367
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR8002793A Granted FR2475746A1 (fr) | 1980-02-08 | 1980-02-08 | Stabilisation de gain pour des appareils de carottage de puits par radioactivite |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR2475746A1 (enExample) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1400767A (fr) * | 1963-06-13 | 1965-05-28 | Pan Geo Atlas Corp | Appareil d'exploration des puits par radioactivité à température stabilisée |
| FR1500119A (fr) * | 1966-07-18 | 1967-11-03 | Prec Mecanique Labinal | Perfectionnements aux dispositifs de contrôle du fonctionnement d'appareils de mesure |
-
1980
- 1980-02-08 FR FR8002793A patent/FR2475746A1/fr active Granted
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1400767A (fr) * | 1963-06-13 | 1965-05-28 | Pan Geo Atlas Corp | Appareil d'exploration des puits par radioactivité à température stabilisée |
| FR1500119A (fr) * | 1966-07-18 | 1967-11-03 | Prec Mecanique Labinal | Perfectionnements aux dispositifs de contrôle du fonctionnement d'appareils de mesure |
Non-Patent Citations (3)
| Title |
|---|
| EXBK/75 * |
| EXBK/78 * |
| EXBK/79 * |
Also Published As
| Publication number | Publication date |
|---|---|
| FR2475746B1 (enExample) | 1984-07-20 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |