NO175652B - - Google Patents
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- Publication number
- NO175652B NO175652B NO893660A NO893660A NO175652B NO 175652 B NO175652 B NO 175652B NO 893660 A NO893660 A NO 893660A NO 893660 A NO893660 A NO 893660A NO 175652 B NO175652 B NO 175652B
- Authority
- NO
- Norway
- Prior art keywords
- longitudinal axis
- detector
- along
- detection
- sensitive
- Prior art date
Links
- 238000001514 detection method Methods 0.000 claims description 34
- 238000000034 method Methods 0.000 claims description 24
- 230000002285 radioactive effect Effects 0.000 claims description 23
- 238000005259 measurement Methods 0.000 claims description 16
- 230000015572 biosynthetic process Effects 0.000 claims description 12
- 238000005755 formation reaction Methods 0.000 claims description 12
- 239000003550 marker Substances 0.000 claims description 11
- 238000004873 anchoring Methods 0.000 claims description 6
- 230000005251 gamma ray Effects 0.000 description 6
- 230000005855 radiation Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 230000033001 locomotion Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000008188 pellet Substances 0.000 description 2
- 125000006850 spacer group Chemical group 0.000 description 2
- 229910001374 Invar Inorganic materials 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 230000002238 attenuated effect Effects 0.000 description 1
- 229910052792 caesium Inorganic materials 0.000 description 1
- TVFDJXOCXUVLDH-UHFFFAOYSA-N caesium atom Chemical compound [Cs] TVFDJXOCXUVLDH-UHFFFAOYSA-N 0.000 description 1
- TVFDJXOCXUVLDH-RNFDNDRNSA-N cesium-137 Chemical compound [137Cs] TVFDJXOCXUVLDH-RNFDNDRNSA-N 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 230000004807 localization Effects 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 239000000941 radioactive substance Substances 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000012360 testing method Methods 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
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B47/00—Survey of boreholes or wells
- E21B47/04—Measuring depth or liquid level
- E21B47/053—Measuring depth or liquid level using radioactive markers
Landscapes
- Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Engineering & Computer Science (AREA)
- Geophysics (AREA)
- Mining & Mineral Resources (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- Geochemistry & Mineralogy (AREA)
- High Energy & Nuclear Physics (AREA)
- General Physics & Mathematics (AREA)
- Measurement Of Radiation (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR8811955A FR2636436B1 (fr) | 1988-09-14 | 1988-09-14 | Procede et dispositif de mesure de subsidence |
Publications (4)
| Publication Number | Publication Date |
|---|---|
| NO893660D0 NO893660D0 (no) | 1989-09-13 |
| NO893660L NO893660L (no) | 1990-03-15 |
| NO175652B true NO175652B (de) | 1994-08-01 |
| NO175652C NO175652C (no) | 1994-11-09 |
Family
ID=9369961
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO893660A NO175652C (no) | 1988-09-14 | 1989-09-13 | Fremgangsmåte og apparat for måling av nivåsenkning |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US5005422A (de) |
| EP (1) | EP0359642B1 (de) |
| DE (1) | DE68927600D1 (de) |
| FR (1) | FR2636436B1 (de) |
| NO (1) | NO175652C (de) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5705812A (en) * | 1996-05-31 | 1998-01-06 | Western Atlas International, Inc. | Compaction monitoring instrument system |
| CN100350269C (zh) * | 2002-03-22 | 2007-11-21 | 通用电气公司 | 仪器封装和集成的辐射检测器 |
| US7170061B2 (en) * | 2004-04-08 | 2007-01-30 | General Electric Company | Ruggedized scintillation detector with low energy detection capabilities |
| US7222540B2 (en) * | 2004-05-07 | 2007-05-29 | Call & Nicholas Instruments, Inc. | Wireline extensometer |
| EP2275642A1 (de) | 2009-07-17 | 2011-01-19 | Agisco S.r.l. | System zur Erkennung und Überwachung einer tiefen Bodenabsenkung |
| AU2012283031A1 (en) * | 2011-07-08 | 2013-12-19 | Conocophillips Company | Electromagnetic depth/orientation detection tool and methods thereof |
| US9121966B2 (en) * | 2011-11-28 | 2015-09-01 | Baker Hughes Incorporated | Media displacement device and method of improving transfer of electromagnetic energy between a tool and an earth formation |
| CN106909715A (zh) * | 2017-01-19 | 2017-06-30 | 中铁开发投资有限公司 | 一种隧道下穿地下构筑物的梁结构变形预测控制方法 |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2192320B1 (de) * | 1972-07-13 | 1975-03-07 | Schlumberger Prospection | |
| FR2365686A1 (fr) * | 1976-09-28 | 1978-04-21 | Schlumberger Prospection | Systeme d'ancrage dans un forage |
| FR2611921B1 (fr) * | 1987-03-05 | 1989-06-16 | Schlumberger Prospection | Dispositif pour placer une source radioactive dans une formation traversee par un forage |
| US4719803A (en) * | 1987-04-20 | 1988-01-19 | Roctest Ltee/Ltd. | Borehole extensometer for monitoring relative mass displacements |
-
1988
- 1988-09-14 FR FR8811955A patent/FR2636436B1/fr not_active Expired - Fee Related
-
1989
- 1989-09-08 DE DE68927600T patent/DE68927600D1/de not_active Expired - Lifetime
- 1989-09-08 EP EP89402463A patent/EP0359642B1/de not_active Expired - Lifetime
- 1989-09-13 NO NO893660A patent/NO175652C/no unknown
- 1989-09-14 US US07/407,138 patent/US5005422A/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| NO175652C (no) | 1994-11-09 |
| EP0359642A1 (de) | 1990-03-21 |
| FR2636436A1 (fr) | 1990-03-16 |
| EP0359642B1 (de) | 1997-01-02 |
| FR2636436B1 (fr) | 1990-11-30 |
| NO893660D0 (no) | 1989-09-13 |
| DE68927600D1 (de) | 1997-02-13 |
| NO893660L (no) | 1990-03-15 |
| US5005422A (en) | 1991-04-09 |
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