BR7906854A - Processo e aparelho para otimizar as avaliacoes das caracteristicas de desintegracao de neutron termico - Google Patents
Processo e aparelho para otimizar as avaliacoes das caracteristicas de desintegracao de neutron termicoInfo
- Publication number
- BR7906854A BR7906854A BR7906854A BR7906854A BR7906854A BR 7906854 A BR7906854 A BR 7906854A BR 7906854 A BR7906854 A BR 7906854A BR 7906854 A BR7906854 A BR 7906854A BR 7906854 A BR7906854 A BR 7906854A
- Authority
- BR
- Brazil
- Prior art keywords
- evaluations
- optimize
- thermal neutron
- disintegration characteristics
- disintegration
- Prior art date
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
- G01V5/107—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)
- Geophysics And Detection Of Objects (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US05/955,175 US4223218A (en) | 1978-10-26 | 1978-10-26 | Methods and apparatus for optimizing measurements of thermal neutron decay characteristics |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BR7906854A true BR7906854A (pt) | 1980-07-15 |
Family
ID=25496479
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BR7906854A BR7906854A (pt) | 1978-10-26 | 1979-10-23 | Processo e aparelho para otimizar as avaliacoes das caracteristicas de desintegracao de neutron termico |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US4223218A (pt) |
| JP (1) | JPS5582069A (pt) |
| BR (1) | BR7906854A (pt) |
| CA (1) | CA1134517A (pt) |
| PH (1) | PH17007A (pt) |
Families Citing this family (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4315148A (en) * | 1980-06-06 | 1982-02-09 | Dresser Industries, Inc. | Method and apparatus for measuring neutron characteristics of material surrounding a borehole |
| US4317034A (en) * | 1980-06-06 | 1982-02-23 | Dresser Industries, Inc. | Method and apparatus for measuring neutron characteristics of material surrounding a borehole |
| US4409481A (en) * | 1980-08-28 | 1983-10-11 | Halliburton Company | Method for simultaneous measurement of thermal neutron decay components |
| US4424444A (en) | 1980-08-28 | 1984-01-03 | Halliburton Company | Method for simultaneous measurement of borehole and formation neutron lifetimes |
| US4388529A (en) * | 1980-08-28 | 1983-06-14 | Halliburton Company | System for simultaneous measurement of borehole and formation neutron lifetimes |
| US4471435A (en) * | 1981-08-03 | 1984-09-11 | Dresser Industries, Inc. | Computer-based system for acquisition of nuclear well log data |
| US4445033A (en) * | 1981-09-14 | 1984-04-24 | Schlumberger Technology Corporation | Methods and apparatus for environmental correction of thermal neutron logs |
| US4656354A (en) * | 1985-04-10 | 1987-04-07 | Dresser Industries, Inc. | Method for induced gamma ray logging |
| US4645926A (en) * | 1985-04-10 | 1987-02-24 | Dresser Industries, Inc. | Method for induced gamma ray logging |
| US4668863A (en) * | 1985-04-10 | 1987-05-26 | Dresser Industries, Inc. | Neutron logging time spectral data acquisition system and method |
| US4697078A (en) * | 1985-04-10 | 1987-09-29 | Western Atlas International, Inc. | Method for quality control of counting logs |
| US4749859A (en) * | 1985-04-22 | 1988-06-07 | Western Atlas International, Inc. | Nuclear well logging data acquistion system and method |
| US4721853A (en) * | 1986-01-31 | 1988-01-26 | Schlumberger Technology Corporation | Thermal decay time logging method and apparatus |
| NO171655C (no) * | 1986-01-31 | 1993-04-14 | Schlumberger Ltd | Borehulls-loggesystem |
| US4810959A (en) * | 1988-02-16 | 1989-03-07 | Grumman Aerospace Corporation | Method of improving signal-to-noise ratio of detected random pulses |
| US5180917A (en) * | 1991-08-08 | 1993-01-19 | Schlumberger Technology Corporation | Self-calibrating proportional counter |
| US6005244A (en) * | 1997-10-02 | 1999-12-21 | Schlumberger Technology Corporation | Detecting bypassed hydrocarbons in subsurface formations |
| US12044636B1 (en) * | 2023-12-13 | 2024-07-23 | Lunar Helium-3 Mining, Llc | Locating mining sites using neutron detection |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3373280A (en) * | 1963-12-18 | 1968-03-12 | Mobil Oil Corp | Pulsed radioactive well logging method for measurement of porosity and salinity |
| USRE28477E (en) | 1966-11-08 | 1975-07-08 | 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 |
| US3662179A (en) * | 1969-04-25 | 1972-05-09 | Schlumberger Technology Corp | Pulse neutron logging tool control and transmission system |
| US3971935A (en) * | 1973-05-01 | 1976-07-27 | Schlumberger Technology Corporation | Two detector pulsed neutron porosity and water salinity apparatus and methods |
| US4046764A (en) * | 1975-04-02 | 1977-09-06 | Dresser Industries, Inc. | Method and apparatus for measuring the thermal neutron absorption rate in earth formations |
| US4095102A (en) * | 1976-09-30 | 1978-06-13 | Schlumberger Technology Corporation | Hydrocarbon detection utilizing neutron borehole measurements |
| US4097737A (en) * | 1976-11-01 | 1978-06-27 | Mobil Oil Corporation | Epithermal die-away porosity logging |
| US4122338A (en) * | 1977-06-24 | 1978-10-24 | Texaco Inc. | Thermal neutron die away logging system with optimized gating |
-
1978
- 1978-10-26 US US05/955,175 patent/US4223218A/en not_active Expired - Lifetime
-
1979
- 1979-10-23 BR BR7906854A patent/BR7906854A/pt not_active IP Right Cessation
- 1979-10-23 CA CA000338189A patent/CA1134517A/en not_active Expired
- 1979-10-23 PH PH23207A patent/PH17007A/en unknown
- 1979-10-26 JP JP13860279A patent/JPS5582069A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| CA1134517A (en) | 1982-10-26 |
| PH17007A (en) | 1984-05-11 |
| JPS5582069A (en) | 1980-06-20 |
| US4223218A (en) | 1980-09-16 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MK | Patent expired |
Effective date: 19941023 |