CA1092256A - Uranium logging in earth formations - Google Patents
Uranium logging in earth formationsInfo
- Publication number
- CA1092256A CA1092256A CA297,419A CA297419A CA1092256A CA 1092256 A CA1092256 A CA 1092256A CA 297419 A CA297419 A CA 297419A CA 1092256 A CA1092256 A CA 1092256A
- Authority
- CA
- Canada
- Prior art keywords
- borehole
- uranium
- neutron
- neutrons
- epithermal
- Prior art date
- 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
- JFALSRSLKYAFGM-UHFFFAOYSA-N uranium(0) Chemical compound [U] JFALSRSLKYAFGM-UHFFFAOYSA-N 0.000 title claims abstract description 91
- 229910052770 Uranium Inorganic materials 0.000 title claims abstract description 89
- 230000015572 biosynthetic process Effects 0.000 title claims abstract description 77
- 238000005755 formation reaction Methods 0.000 title claims abstract description 77
- 230000004044 response Effects 0.000 claims abstract description 56
- 230000004992 fission Effects 0.000 claims abstract description 52
- 238000000034 method Methods 0.000 claims abstract description 16
- 238000010521 absorption reaction Methods 0.000 claims abstract description 13
- 230000000694 effects Effects 0.000 claims abstract description 11
- 230000003111 delayed effect Effects 0.000 claims description 8
- 230000001678 irradiating effect Effects 0.000 claims description 8
- 230000003252 repetitive effect Effects 0.000 claims description 5
- 230000006872 improvement Effects 0.000 claims description 3
- 238000003556 assay Methods 0.000 claims 1
- JFALSRSLKYAFGM-OIOBTWANSA-N uranium-235 Chemical compound [235U] JFALSRSLKYAFGM-OIOBTWANSA-N 0.000 description 18
- 239000012530 fluid Substances 0.000 description 9
- 239000004020 conductor Substances 0.000 description 7
- 230000004907 flux Effects 0.000 description 6
- 238000006243 chemical reaction Methods 0.000 description 5
- 238000005259 measurement Methods 0.000 description 5
- 239000011159 matrix material Substances 0.000 description 4
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 2
- 238000013459 approach Methods 0.000 description 2
- 230000001419 dependent effect Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- SWQJXJOGLNCZEY-BJUDXGSMSA-N helium-3 atom Chemical compound [3He] SWQJXJOGLNCZEY-BJUDXGSMSA-N 0.000 description 2
- 229910052739 hydrogen Inorganic materials 0.000 description 2
- 239000001257 hydrogen Substances 0.000 description 2
- 230000000284 resting effect Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 229910052790 beryllium Inorganic materials 0.000 description 1
- 229910052793 cadmium Inorganic materials 0.000 description 1
- BDOSMKKIYDKNTQ-UHFFFAOYSA-N cadmium atom Chemical compound [Cd] BDOSMKKIYDKNTQ-UHFFFAOYSA-N 0.000 description 1
- 238000011088 calibration curve Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000002285 radioactive effect Effects 0.000 description 1
- 238000000611 regression analysis Methods 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 230000002311 subsequent effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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)
- Geophysics And Detection Of Objects (AREA)
- Analysing Materials By The Use Of Radiation (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US78562477A | 1977-04-07 | 1977-04-07 | |
| US785,624 | 1985-10-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1092256A true CA1092256A (en) | 1980-12-23 |
Family
ID=25136088
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA297,419A Expired CA1092256A (en) | 1977-04-07 | 1978-02-21 | Uranium logging in earth formations |
Country Status (11)
| Country | Link |
|---|---|
| JP (1) | JPS53125901A (it) |
| AR (1) | AR224105A1 (it) |
| AU (1) | AU515618B2 (it) |
| BR (1) | BR7801678A (it) |
| CA (1) | CA1092256A (it) |
| ES (1) | ES467412A1 (it) |
| FR (1) | FR2386827A1 (it) |
| IT (1) | IT1094334B (it) |
| NZ (1) | NZ186152A (it) |
| OA (1) | OA05930A (it) |
| ZA (1) | ZA781025B (it) |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2920204A (en) * | 1956-09-04 | 1960-01-05 | Well Surveys Inc | Apparatus for simultaneous detection of thermal and epithermal neutrons |
| US3435217A (en) * | 1965-06-28 | 1969-03-25 | Mobil Oil Corp | Production of chemistry-dependent gamma ray and thermal neutron logs corrected for porosity |
| US3686503A (en) * | 1970-05-18 | 1972-08-22 | Mobil Oil Corp | In-situ assaying for uranium in rock formations |
| NZ185739A (en) * | 1977-01-17 | 1981-05-29 | Mobil Oil Corp | Uranium assaying by thermal and epithermal neutron detection |
-
1978
- 1978-01-05 NZ NZ186152A patent/NZ186152A/xx unknown
- 1978-02-21 ZA ZA00781025A patent/ZA781025B/xx unknown
- 1978-02-21 CA CA297,419A patent/CA1092256A/en not_active Expired
- 1978-03-01 ES ES467412A patent/ES467412A1/es not_active Expired
- 1978-03-10 AU AU34070/78A patent/AU515618B2/en not_active Expired
- 1978-03-20 BR BR7801678A patent/BR7801678A/pt unknown
- 1978-04-04 FR FR7809938A patent/FR2386827A1/fr not_active Withdrawn
- 1978-04-04 OA OA56460A patent/OA05930A/xx unknown
- 1978-04-06 IT IT22072/78A patent/IT1094334B/it active
- 1978-04-06 AR AR271716A patent/AR224105A1/es active
- 1978-04-07 JP JP4046178A patent/JPS53125901A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| FR2386827A1 (fr) | 1978-11-03 |
| IT7822072A0 (it) | 1978-04-06 |
| AR224105A1 (es) | 1981-10-30 |
| BR7801678A (pt) | 1978-11-21 |
| JPS53125901A (en) | 1978-11-02 |
| AU3407078A (en) | 1979-09-20 |
| ZA781025B (en) | 1979-10-31 |
| AU515618B2 (en) | 1981-04-16 |
| OA05930A (fr) | 1981-06-30 |
| ES467412A1 (es) | 1979-02-01 |
| NZ186152A (en) | 1981-05-29 |
| IT1094334B (it) | 1985-07-26 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |