NO171655C - Borehulls-loggesystem - Google Patents
Borehulls-loggesystemInfo
- Publication number
- NO171655C NO171655C NO870171A NO870171A NO171655C NO 171655 C NO171655 C NO 171655C NO 870171 A NO870171 A NO 870171A NO 870171 A NO870171 A NO 870171A NO 171655 C NO171655 C NO 171655C
- Authority
- NO
- Norway
- Prior art keywords
- series
- time gates
- time
- burst
- decay
- Prior art date
Links
- 230000015572 biosynthetic process Effects 0.000 abstract 3
- 230000005251 gamma ray Effects 0.000 abstract 2
- 230000009172 bursting Effects 0.000 abstract 1
- 238000004364 calculation method Methods 0.000 abstract 1
- 238000001514 detection method Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 abstract 1
- 230000003252 repetitive effect Effects 0.000 abstract 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
- G01V5/104—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 secondary Y-rays as well as reflected or back-scattered neutrons
- G01V5/105—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 secondary Y-rays as well as reflected or back-scattered neutrons the neutron source being of the pulsed type
-
- 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
-
- 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
- G01V5/107—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 reflected or back-scattered neutrons
- G01V5/108—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 reflected or back-scattered neutrons 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)
- Investigating Or Analyzing Materials Using Thermal Means (AREA)
- Measurement Of Radiation (AREA)
- Memory System Of A Hierarchy Structure (AREA)
- Debugging And Monitoring (AREA)
- Heat Sensitive Colour Forming Recording (AREA)
- Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
- Pressure Welding/Diffusion-Bonding (AREA)
- Recording Measured Values (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US82518286A | 1986-01-31 | 1986-01-31 |
Publications (4)
| Publication Number | Publication Date |
|---|---|
| NO870171D0 NO870171D0 (no) | 1987-01-15 |
| NO870171L NO870171L (no) | 1987-08-03 |
| NO171655B NO171655B (no) | 1993-01-04 |
| NO171655C true NO171655C (no) | 1993-04-14 |
Family
ID=25243314
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO870171A NO171655C (no) | 1986-01-31 | 1987-01-15 | Borehulls-loggesystem |
Country Status (18)
| Country | Link |
|---|---|
| EP (1) | EP0240372B1 (xx) |
| JP (1) | JP2624245B2 (xx) |
| AT (1) | ATE67608T1 (xx) |
| AU (1) | AU597023B2 (xx) |
| BR (1) | BR8700448A (xx) |
| CA (1) | CA1255397A (xx) |
| DE (1) | DE3773030D1 (xx) |
| DK (1) | DK172868B1 (xx) |
| EG (1) | EG18096A (xx) |
| ES (1) | ES2026186T3 (xx) |
| GR (1) | GR3003317T3 (xx) |
| IE (1) | IE59595B1 (xx) |
| MA (1) | MA20865A1 (xx) |
| MY (1) | MY101045A (xx) |
| NO (1) | NO171655C (xx) |
| OA (1) | OA08474A (xx) |
| TN (1) | TNSN87013A1 (xx) |
| TR (1) | TR28202A (xx) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE68910522T2 (de) * | 1988-05-11 | 1994-04-07 | Mobil Oil Corp | Verfahren zur analyse exponentieller daten. |
| US5081351A (en) * | 1990-10-31 | 1992-01-14 | Schlumberger Technology Corporation | Method and apparatus for borehole correction in capture gamma ray spectroscopy measurements |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4326129A (en) * | 1978-05-10 | 1982-04-20 | Jacob Neufeld | Evaluation of the interaction with radiant energy of substances traversed by a bore hole |
| US4223218A (en) * | 1978-10-26 | 1980-09-16 | Schlumberger Technology Corporation | Methods and apparatus for optimizing measurements of thermal neutron decay characteristics |
| US4292518A (en) * | 1978-10-26 | 1981-09-29 | Schlumberger Technology Corp. | Methods and apparatus for measuring thermal neutron decay characteristics of earth formations |
| US4409481A (en) * | 1980-08-28 | 1983-10-11 | Halliburton Company | Method for simultaneous measurement of thermal neutron decay components |
| US4424444A (en) * | 1980-08-28 | 1984-01-03 | Halliburton Company | Method for simultaneous measurement of borehole and formation neutron lifetimes |
| US4625111A (en) * | 1985-02-04 | 1986-11-25 | Halliburton Company | Method and apparatus for pulsed neutron capture measurement of borehole conditions and formation hydrogen index |
-
1987
- 1987-01-15 NO NO870171A patent/NO171655C/no unknown
- 1987-01-26 MY MYPI87000062A patent/MY101045A/en unknown
- 1987-01-28 AT AT87400187T patent/ATE67608T1/de not_active IP Right Cessation
- 1987-01-28 DE DE8787400187T patent/DE3773030D1/de not_active Expired - Lifetime
- 1987-01-28 EP EP87400187A patent/EP0240372B1/en not_active Expired - Lifetime
- 1987-01-28 EG EG50/87A patent/EG18096A/xx active
- 1987-01-28 ES ES198787400187T patent/ES2026186T3/es not_active Expired - Lifetime
- 1987-01-30 IE IE25087A patent/IE59595B1/en not_active IP Right Cessation
- 1987-01-30 AU AU68172/87A patent/AU597023B2/en not_active Ceased
- 1987-01-30 TR TR00067/87A patent/TR28202A/xx unknown
- 1987-01-30 OA OA59058A patent/OA08474A/xx unknown
- 1987-01-30 DK DK198700516A patent/DK172868B1/da not_active IP Right Cessation
- 1987-01-30 BR BR8700448A patent/BR8700448A/pt not_active IP Right Cessation
- 1987-01-30 CA CA000528530A patent/CA1255397A/en not_active Expired
- 1987-01-30 MA MA21099A patent/MA20865A1/fr unknown
- 1987-01-30 JP JP62020332A patent/JP2624245B2/ja not_active Expired - Lifetime
- 1987-01-30 TN TNTNSN87013A patent/TNSN87013A1/fr unknown
-
1991
- 1991-12-11 GR GR91401942T patent/GR3003317T3/el unknown
Also Published As
| Publication number | Publication date |
|---|---|
| CA1255397A (en) | 1989-06-06 |
| DK51687D0 (da) | 1987-01-30 |
| TNSN87013A1 (fr) | 1990-01-01 |
| TR28202A (tr) | 1996-03-01 |
| JPS6355489A (ja) | 1988-03-09 |
| EP0240372A1 (en) | 1987-10-07 |
| IE870250L (en) | 1987-07-31 |
| DK172868B1 (da) | 1999-08-23 |
| DE3773030D1 (de) | 1991-10-24 |
| ATE67608T1 (de) | 1991-10-15 |
| MA20865A1 (fr) | 1987-10-01 |
| ES2026186T3 (es) | 1992-04-16 |
| IE59595B1 (en) | 1994-03-09 |
| NO870171D0 (no) | 1987-01-15 |
| GR3003317T3 (en) | 1993-02-17 |
| EP0240372B1 (en) | 1991-09-18 |
| NO870171L (no) | 1987-08-03 |
| AU6817287A (en) | 1987-08-06 |
| NO171655B (no) | 1993-01-04 |
| JP2624245B2 (ja) | 1997-06-25 |
| OA08474A (en) | 1988-07-29 |
| MY101045A (en) | 1991-07-16 |
| DK51687A (da) | 1987-08-01 |
| AU597023B2 (en) | 1990-05-24 |
| BR8700448A (pt) | 1987-12-15 |
| EG18096A (en) | 1992-08-30 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| GB1487215A (en) | Method and apparatus for determining the potassium uranium and thorium contents of a geological formation | |
| ES2073445T3 (es) | Aislamiento de informacion mediante agc en sistemas tdma. | |
| PH17219A (en) | Method and apparatus for nuclear well logging with optimized timing for simultaneous measurement of thermal neutron decay time and gamma ray pulse height spectra | |
| NO854852L (no) | Metode til oekning av utvinningsgraden av olje fra et oljefelt. | |
| ES8602280A1 (es) | Procedimiento y dispositivo para la senalizacion de una alarma | |
| JPS52111066A (en) | Method and system for separating matters by using centrifugal force | |
| NO171655C (no) | Borehulls-loggesystem | |
| GB1242520A (en) | Photoelectric read-out apparatus | |
| CA2157538A1 (en) | Gamma ray scintillation detector apparatus and method for reducing shock-induced noise | |
| CA2276822A1 (en) | Method for determining thermal neutron capture cross-section of earth formations using measurements from multiple capture gamma ray detectors | |
| US4446368A (en) | Method and apparatus for neutron induced gamma ray well logging | |
| ATE186608T1 (de) | Verfahren zur erzeugung von actinium-225 aus radium-226 | |
| EP0348098A3 (en) | Gamma ray well logging | |
| ES497672A0 (es) | Un metodo mejorado de perforacion de pozos de sondeo. | |
| US3988581A (en) | Radioactive well logging system with shale (boron) compensation by gamma ray build-up | |
| US4317034A (en) | Method and apparatus for measuring neutron characteristics of material surrounding a borehole | |
| CA2099838A1 (en) | Method of Extracting Data Words from a Binary Serial Bit Stream | |
| US3885154A (en) | Method and apparatus for reducing background in inelastic gamma ray logging systems | |
| US4284886A (en) | Random pulsing of neutron source for inelastic neutron scattering gamma ray spectroscopy | |
| SU1464113A1 (ru) | Способ измерени числа истинных тройных совпадений и устройство дл его осуществлени | |
| RU1540518C (ru) | Устройство дл импульсного нейтронного каротажа | |
| SU1061267A1 (ru) | Устройство дл измерени помехозащищенности регенератора цифровой системы передачи | |
| HUANG | A simulated method of transient environment- The fast swept sine method | |
| WO2002095437A3 (en) | Efficient use of detectors with long dead times | |
| GB1396255A (en) | Method and apparatus for radioactive well logging |