JPS5718158B1 - - Google Patents
Info
- Publication number
- JPS5718158B1 JPS5718158B1 JP5158872A JP5158872A JPS5718158B1 JP S5718158 B1 JPS5718158 B1 JP S5718158B1 JP 5158872 A JP5158872 A JP 5158872A JP 5158872 A JP5158872 A JP 5158872A JP S5718158 B1 JPS5718158 B1 JP S5718158B1
- 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.)
- Pending
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)
- Analysing Materials By The Use Of Radiation (AREA)
- Measurement Of Radiation (AREA)
- Geophysics And Detection Of Objects (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US14626171A | 1971-05-24 | 1971-05-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5718158B1 true JPS5718158B1 (ja) | 1982-04-15 |
Family
ID=22516564
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5158872A Pending JPS5718158B1 (ja) | 1971-05-24 | 1972-05-24 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US3739172A (ja) |
| JP (1) | JPS5718158B1 (ja) |
| AR (1) | AR222132A1 (ja) |
| CA (1) | CA962375A (ja) |
| DE (1) | DE2225033C2 (ja) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4168428A (en) * | 1977-07-14 | 1979-09-18 | Dresser Industries, Inc. | Sync transmission method and apparatus for high frequency pulsed neutron spectral analysis systems |
| CN109870731B (zh) * | 2019-03-15 | 2021-06-08 | 中广核研究院有限公司 | 测井中子源的生产方法及测井装置 |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3358142A (en) * | 1964-04-20 | 1967-12-12 | Dresser Ind | Detector gating system employed in a pulsed neutron logging system |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3309521A (en) * | 1963-06-18 | 1967-03-14 | Mobil Oil Corp | Transmission of well logging signals in binary or digital form |
| US3275826A (en) * | 1963-08-23 | 1966-09-27 | Leiter Harry | Signal processing means for detected pulse signals |
| US3435224A (en) * | 1965-06-23 | 1969-03-25 | Mobil Oil Corp | Downhole system for storing and reading out detector signals for transmission to the surface at relatively low frequency |
| US3405348A (en) * | 1965-10-24 | 1968-10-08 | Sola Basic Ind Inc | Voltage regulating system with an inductive potential divider including a magnetic amplifier |
| US3559163A (en) * | 1967-08-10 | 1971-01-26 | Schlumberger Technology Corp | Well logging pulse transmission system |
-
1971
- 1971-05-24 US US00146261A patent/US3739172A/en not_active Expired - Lifetime
-
1972
- 1972-04-20 CA CA140,140A patent/CA962375A/en not_active Expired
- 1972-05-17 DE DE2225033A patent/DE2225033C2/de not_active Expired
- 1972-05-23 AR AR242147A patent/AR222132A1/es active
- 1972-05-24 JP JP5158872A patent/JPS5718158B1/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3358142A (en) * | 1964-04-20 | 1967-12-12 | Dresser Ind | Detector gating system employed in a pulsed neutron logging system |
Also Published As
| Publication number | Publication date |
|---|---|
| US3739172A (en) | 1973-06-12 |
| DE2225033C2 (de) | 1982-12-30 |
| AR222132A1 (es) | 1981-04-30 |
| DE2225033A1 (de) | 1972-12-07 |
| CA962375A (en) | 1975-02-04 |