JPS5244842B2 - - Google Patents
Info
- Publication number
- JPS5244842B2 JPS5244842B2 JP48010221A JP1022173A JPS5244842B2 JP S5244842 B2 JPS5244842 B2 JP S5244842B2 JP 48010221 A JP48010221 A JP 48010221A JP 1022173 A JP1022173 A JP 1022173A JP S5244842 B2 JPS5244842 B2 JP S5244842B2
- Authority
- JP
- Japan
- 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
-
- 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
- G01V5/12—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 gamma or X-ray sources
-
- 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
- G01V5/12—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 gamma or X-ray sources
- G01V5/125—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 gamma or X-ray sources and detecting the secondary gamma- or X-rays in different places along the bore hole
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)
- Measurement Of Radiation (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7202183A FR2168850A1 (en) | 1972-01-24 | 1972-01-24 | Borehole strata density measurement - with correction for ettors by baryta deposits from drilling mud |
| FR7243983A FR2209941B2 (en) | 1972-01-24 | 1972-12-11 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS4885402A JPS4885402A (en) | 1973-11-13 |
| JPS5244842B2 true JPS5244842B2 (en) | 1977-11-11 |
Family
ID=26216859
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP48010221A Expired JPS5244842B2 (en) | 1972-01-24 | 1973-01-24 |
Country Status (6)
| Country | Link |
|---|---|
| JP (1) | JPS5244842B2 (en) |
| CA (1) | CA971681A (en) |
| DE (1) | DE2302818C3 (en) |
| FR (1) | FR2209941B2 (en) |
| GB (1) | GB1424023A (en) |
| NL (1) | NL177253C (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2241906B1 (en) | 2009-04-17 | 2015-04-01 | Services Pétroliers Schlumberger | Method of determining density of underground formations using neutron-gamma ray measurements |
| CN114284312B (en) * | 2021-12-24 | 2024-05-14 | 华中科技大学 | OTS gate tube operation method |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2944148A (en) * | 1954-07-02 | 1960-07-05 | Schlumberger Well Surv Corp | Apparatus for investigating earth formations |
-
1972
- 1972-12-11 FR FR7243983A patent/FR2209941B2/fr not_active Expired
-
1973
- 1973-01-15 CA CA161,283A patent/CA971681A/en not_active Expired
- 1973-01-20 DE DE19732302818 patent/DE2302818C3/en not_active Expired
- 1973-01-23 NL NL7300923A patent/NL177253C/en not_active IP Right Cessation
- 1973-01-24 JP JP48010221A patent/JPS5244842B2/ja not_active Expired
- 1973-01-24 GB GB360373A patent/GB1424023A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| NL177253C (en) | 1985-08-16 |
| DE2302818C3 (en) | 1975-11-20 |
| JPS4885402A (en) | 1973-11-13 |
| GB1424023A (en) | 1976-02-04 |
| NL7300923A (en) | 1973-07-26 |
| FR2209941B2 (en) | 1977-09-02 |
| FR2209941A2 (en) | 1974-07-05 |
| DE2302818B2 (en) | 1975-04-03 |
| NL177253B (en) | 1985-03-18 |
| DE2302818A1 (en) | 1973-08-02 |
| CA971681A (en) | 1975-07-22 |