ES485366A0 - A METHOD FOR THE DETECTION OF THE DECAY IN TIME OF THERMAL NEUTRONS IN A LAND FORMATION - Google Patents
A METHOD FOR THE DETECTION OF THE DECAY IN TIME OF THERMAL NEUTRONS IN A LAND FORMATIONInfo
- Publication number
- ES485366A0 ES485366A0 ES485366A ES485366A ES485366A0 ES 485366 A0 ES485366 A0 ES 485366A0 ES 485366 A ES485366 A ES 485366A ES 485366 A ES485366 A ES 485366A ES 485366 A0 ES485366 A0 ES 485366A0
- Authority
- ES
- Spain
- Prior art keywords
- decay
- detection
- time
- thermal neutrons
- land formation
- 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
- 230000015572 biosynthetic process Effects 0.000 title 1
- 238000001514 detection method Methods 0.000 title 1
- 238000000034 method Methods 0.000 title 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
- G01V5/107—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)
- Measurement Of Radiation (AREA)
- Analysing Materials By The Use Of Radiation (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US05/955,176 US4224516A (en) | 1978-10-26 | 1978-10-26 | Methods and apparatus for measuring thermal neutron decay characteristics of earth formations |
| US05/955,175 US4223218A (en) | 1978-10-26 | 1978-10-26 | Methods and apparatus for optimizing measurements of thermal neutron decay characteristics |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| ES485366A0 true ES485366A0 (en) | 1981-02-16 |
| ES8103385A1 ES8103385A1 (en) | 1981-02-16 |
Family
ID=27130364
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES485366A Expired ES8103385A1 (en) | 1978-10-26 | 1979-10-25 | Method and apparatus for measuring thermal neutron characteristics |
Country Status (11)
| Country | Link |
|---|---|
| AU (1) | AU532895B2 (en) |
| DE (1) | DE2941535A1 (en) |
| EG (1) | EG14646A (en) |
| ES (1) | ES8103385A1 (en) |
| FR (1) | FR2440004A1 (en) |
| GB (4) | GB2036303B (en) |
| IE (1) | IE49620B1 (en) |
| IT (1) | IT1125588B (en) |
| MY (1) | MY8500178A (en) |
| NL (1) | NL7907391A (en) |
| NO (1) | NO793185L (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA1162660A (en) * | 1980-08-28 | 1984-02-21 | Harry D. Smith | Method for simultaneous measurement of borehole and formation neutron lifetimes |
| CA1162659A (en) * | 1980-08-28 | 1984-02-21 | Ward E. Schultz | Method for simultaneous measurement of borehole and formation neutron lifetimes employing iterative fitting |
| CA1165017A (en) * | 1980-08-28 | 1984-04-03 | Harold E. Peelman | System for simultaneous measurement of borehole and formation neutron lifetimes |
| US4445033A (en) * | 1981-09-14 | 1984-04-24 | Schlumberger Technology Corporation | Methods and apparatus for environmental correction of thermal neutron logs |
| GB8331914D0 (en) * | 1983-11-30 | 1984-01-04 | Atomic Energy Authority Uk | Inspection of buried pipelines |
| US4712007A (en) * | 1985-04-01 | 1987-12-08 | S.I.E., Inc. | Pulsed neutron logging method using cumulative count curves |
| CN115788421B (en) * | 2023-02-14 | 2023-05-09 | 山东交通学院 | Integrated natural gamma energy spectrum logging instrument |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL70135C (en) * | 1946-12-04 | 1952-01-15 | Philips Nv | |
| US3566116A (en) * | 1966-11-08 | 1971-02-23 | Schlumberger Technology Corp | Method and apparatus for measuring neutron characteristics of a material surrounding a well bore |
| US3379882A (en) * | 1967-03-16 | 1968-04-23 | Dresser Ind | Method and apparatus for neutron well logging based on the lifetime of neutrons in the formations |
| US3890501A (en) * | 1973-05-01 | 1975-06-17 | Schlumberger Technology Corp | Neutron logging reliability techniques and apparatus |
-
1979
- 1979-09-28 IE IE1847/79A patent/IE49620B1/en unknown
- 1979-10-04 NO NO793185A patent/NO793185L/en unknown
- 1979-10-05 NL NL7907391A patent/NL7907391A/en not_active Application Discontinuation
- 1979-10-08 AU AU51555/79A patent/AU532895B2/en not_active Ceased
- 1979-10-12 GB GB7935429A patent/GB2036303B/en not_active Expired
- 1979-10-13 DE DE19792941535 patent/DE2941535A1/en not_active Withdrawn
- 1979-10-22 FR FR7926185A patent/FR2440004A1/en active Granted
- 1979-10-23 EG EG79645A patent/EG14646A/en active
- 1979-10-24 IT IT26758/79A patent/IT1125588B/en active
- 1979-10-25 ES ES485366A patent/ES8103385A1/en not_active Expired
-
1982
- 1982-10-08 GB GB08228889A patent/GB2113386B/en not_active Expired
- 1982-10-08 GB GB08228823A patent/GB2113385B/en not_active Expired
- 1982-10-08 GB GB08228890A patent/GB2113387B/en not_active Expired
-
1985
- 1985-12-30 MY MY178/85A patent/MY8500178A/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| GB2113386B (en) | 1983-12-21 |
| IE791847L (en) | 1980-04-26 |
| NO793185L (en) | 1980-04-29 |
| EG14646A (en) | 1985-03-31 |
| GB2036303B (en) | 1983-08-17 |
| DE2941535A1 (en) | 1980-05-08 |
| GB2113387B (en) | 1983-12-21 |
| GB2113386A (en) | 1983-08-03 |
| IE49620B1 (en) | 1985-11-13 |
| MY8500178A (en) | 1985-12-31 |
| FR2440004B1 (en) | 1984-12-21 |
| GB2113387A (en) | 1983-08-03 |
| ES8103385A1 (en) | 1981-02-16 |
| AU5155579A (en) | 1980-05-01 |
| GB2036303A (en) | 1980-06-25 |
| IT7926758A0 (en) | 1979-10-24 |
| FR2440004A1 (en) | 1980-05-23 |
| GB2113385B (en) | 1983-12-21 |
| IT1125588B (en) | 1986-05-14 |
| AU532895B2 (en) | 1983-10-20 |
| GB2113385A (en) | 1983-08-03 |
| NL7907391A (en) | 1980-04-29 |
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