FR2139903B1 - - Google Patents
Info
- Publication number
- FR2139903B1 FR2139903B1 FR7218129A FR7218129A FR2139903B1 FR 2139903 B1 FR2139903 B1 FR 2139903B1 FR 7218129 A FR7218129 A FR 7218129A FR 7218129 A FR7218129 A FR 7218129A FR 2139903 B1 FR2139903 B1 FR 2139903B1
- Authority
- FR
- France
- 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
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)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US14581571A | 1971-05-21 | 1971-05-21 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2139903A1 FR2139903A1 (en) | 1973-01-12 |
| FR2139903B1 true FR2139903B1 (en) | 1976-04-30 |
Family
ID=22514679
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7218129A Expired FR2139903B1 (en) | 1971-05-21 | 1972-05-19 |
Country Status (3)
| Country | Link |
|---|---|
| CA (1) | CA1042117A (en) |
| FR (1) | FR2139903B1 (en) |
| GB (1) | GB1364572A (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3925659A (en) * | 1973-03-23 | 1975-12-09 | Texaco Inc | Inelastic gamma ray logging system |
| DE60313364T2 (en) | 2002-12-10 | 2008-01-03 | Commonwealth Scientific And Industrial Research Organisation | RADIOGRAPHIC DEVICE |
| CN112649888B (en) * | 2020-11-24 | 2022-08-12 | 东华理工大学 | Uranium ore quantitative scale coefficient solving method based on energy spectrum logging characteristic spectrum peak |
| CN113279743B (en) * | 2021-05-25 | 2022-05-31 | 电子科技大学 | Downhole auxiliary measuring device based on flexible composite material |
-
1972
- 1972-05-05 GB GB2097672A patent/GB1364572A/en not_active Expired
- 1972-05-15 CA CA142,166A patent/CA1042117A/en not_active Expired
- 1972-05-19 FR FR7218129A patent/FR2139903B1/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| CA1042117A (en) | 1978-11-07 |
| GB1364572A (en) | 1974-08-21 |
| FR2139903A1 (en) | 1973-01-12 |