FR2308937B1 - - Google Patents
Info
- Publication number
- FR2308937B1 FR2308937B1 FR7609011A FR7609011A FR2308937B1 FR 2308937 B1 FR2308937 B1 FR 2308937B1 FR 7609011 A FR7609011 A FR 7609011A FR 7609011 A FR7609011 A FR 7609011A FR 2308937 B1 FR2308937 B1 FR 2308937B1
- 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 nuclear radiation, e.g. of natural or induced radioactivity
- G01V5/04—Prospecting or detecting by the use of nuclear radiation, e.g. of natural or induced radioactivity specially adapted for well-logging
- G01V5/08—Prospecting or detecting by the use of nuclear 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 nuclear 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 nuclear 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 nuclear 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
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US56335975A | 1975-03-31 | 1975-03-31 | |
| US05/563,510 US4031367A (en) | 1975-03-31 | 1975-03-31 | Methods and apparatus for pulse height analyzer offset control |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2308937A1 FR2308937A1 (en) | 1976-11-19 |
| FR2308937B1 true FR2308937B1 (en) | 1979-04-06 |
Family
ID=27073260
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7609011A Granted FR2308937A1 (en) | 1975-03-31 | 1976-03-29 | Underground strata investigation partic. of oil bearing formations - using fast neutron and detection of resultant gamma radiation |
Country Status (12)
| Country | Link |
|---|---|
| JP (1) | JPS51121401A (en) |
| AU (1) | AU500341B2 (en) |
| BR (1) | BR7601955A (en) |
| DE (1) | DE2613259A1 (en) |
| EG (1) | EG13061A (en) |
| FR (1) | FR2308937A1 (en) |
| IT (1) | IT1067520B (en) |
| MX (1) | MX3468E (en) |
| NL (1) | NL7603328A (en) |
| NO (1) | NO144650C (en) |
| OA (1) | OA05294A (en) |
| TR (1) | TR19525A (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2485752A1 (en) * | 1980-06-25 | 1981-12-31 | Schlumberger Prospection | METHOD AND DEVICE FOR MEASURING GAMMA RAYS IN A SURVEY |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3264475A (en) * | 1962-12-31 | 1966-08-02 | Atlantic Refining Co | Method for calibrating a radioactive logging system |
| US3534401A (en) * | 1966-04-20 | 1970-10-13 | Dresser Ind | Computer for well logging system |
| US3566117A (en) * | 1968-01-05 | 1971-02-23 | Schlumberger Technology Corp | Measuring technique |
| US3760281A (en) * | 1970-10-27 | 1973-09-18 | Coulter Electronics | Axial trajectory sensor having gating means controlled by pulse duration measuring for electronic particle study apparatus |
| US3829686A (en) * | 1971-09-20 | 1974-08-13 | Texaco Inc | Pulsed neutron logging system with gain compensation |
-
1976
- 1976-03-16 AU AU12029/76A patent/AU500341B2/en not_active Expired
- 1976-03-22 NO NO761005A patent/NO144650C/en unknown
- 1976-03-27 EG EG183/76A patent/EG13061A/en active
- 1976-03-27 DE DE19762613259 patent/DE2613259A1/en active Granted
- 1976-03-29 FR FR7609011A patent/FR2308937A1/en active Granted
- 1976-03-30 MX MX100290U patent/MX3468E/en unknown
- 1976-03-31 NL NL7603328A patent/NL7603328A/en not_active Application Discontinuation
- 1976-03-31 JP JP51035900A patent/JPS51121401A/en active Granted
- 1976-03-31 BR BR7601955A patent/BR7601955A/en unknown
- 1976-03-31 OA OA55789A patent/OA05294A/en unknown
- 1976-03-31 IT IT21760/76A patent/IT1067520B/en active
-
1977
- 1977-03-31 TR TR19525A patent/TR19525A/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| OA05294A (en) | 1981-02-28 |
| NO144650C (en) | 1981-10-07 |
| MX3468E (en) | 1980-12-09 |
| DE2613259C2 (en) | 1989-06-22 |
| IT1067520B (en) | 1985-03-16 |
| TR19525A (en) | 1979-06-27 |
| FR2308937A1 (en) | 1976-11-19 |
| JPS62473B2 (en) | 1987-01-08 |
| JPS51121401A (en) | 1976-10-23 |
| DE2613259A1 (en) | 1976-12-16 |
| NO144650B (en) | 1981-06-29 |
| NO761005L (en) | 1976-10-01 |
| EG13061A (en) | 1980-10-31 |
| AU500341B2 (en) | 1979-05-17 |
| NL7603328A (en) | 1976-10-04 |
| AU1202976A (en) | 1977-09-29 |
| BR7601955A (en) | 1976-10-05 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |