CA1162660A - Method for simultaneous measurement of borehole and formation neutron lifetimes - Google Patents
Method for simultaneous measurement of borehole and formation neutron lifetimesInfo
- Publication number
- CA1162660A CA1162660A CA000382171A CA382171A CA1162660A CA 1162660 A CA1162660 A CA 1162660A CA 000382171 A CA000382171 A CA 000382171A CA 382171 A CA382171 A CA 382171A CA 1162660 A CA1162660 A CA 1162660A
- Authority
- CA
- Canada
- Prior art keywords
- borehole
- neutron
- time
- detecting
- thermal
- 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
- 230000015572 biosynthetic process Effects 0.000 title claims abstract description 102
- 238000000034 method Methods 0.000 title claims abstract description 55
- 238000005259 measurement Methods 0.000 title claims abstract description 41
- 230000005855 radiation Effects 0.000 claims abstract description 32
- 238000005755 formation reaction Methods 0.000 claims description 97
- 239000000463 material Substances 0.000 claims description 13
- 230000003252 repetitive effect Effects 0.000 claims description 11
- 230000003993 interaction Effects 0.000 claims description 7
- 229910052722 tritium Inorganic materials 0.000 claims description 6
- 238000003705 background correction Methods 0.000 claims description 4
- 239000000306 component Substances 0.000 description 58
- 239000012530 fluid Substances 0.000 description 13
- 230000006870 function Effects 0.000 description 13
- 230000005251 gamma ray Effects 0.000 description 13
- 239000011148 porous material Substances 0.000 description 9
- 150000002500 ions Chemical class 0.000 description 8
- 239000002131 composite material Substances 0.000 description 7
- 230000014509 gene expression Effects 0.000 description 6
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 5
- 238000010420 art technique Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 238000013500 data storage Methods 0.000 description 4
- 150000003839 salts Chemical class 0.000 description 4
- 239000011780 sodium chloride Substances 0.000 description 4
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 3
- 229910052801 chlorine Inorganic materials 0.000 description 3
- 239000000460 chlorine Substances 0.000 description 3
- 239000004020 conductor Substances 0.000 description 3
- 229910052805 deuterium Inorganic materials 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000009977 dual effect Effects 0.000 description 3
- 239000011159 matrix material Substances 0.000 description 3
- FVAUCKIRQBBSSJ-UHFFFAOYSA-M sodium iodide Chemical compound [Na+].[I-] FVAUCKIRQBBSSJ-UHFFFAOYSA-M 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 239000004215 Carbon black (E152) Substances 0.000 description 2
- YZCKVEUIGOORGS-OUBTZVSYSA-N Deuterium Chemical compound [2H] YZCKVEUIGOORGS-OUBTZVSYSA-N 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- YZCKVEUIGOORGS-NJFSPNSNSA-N Tritium Chemical compound [3H] YZCKVEUIGOORGS-NJFSPNSNSA-N 0.000 description 2
- 230000004913 activation Effects 0.000 description 2
- 239000004568 cement Substances 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 239000008398 formation water Substances 0.000 description 2
- 229930195733 hydrocarbon Natural products 0.000 description 2
- 150000002430 hydrocarbons Chemical class 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 239000013077 target material Substances 0.000 description 2
- -1 thallium activated sodium iodide Chemical class 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000009795 derivation Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 239000013505 freshwater Substances 0.000 description 1
- 238000012625 in-situ measurement Methods 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000010606 normalization Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 235000009518 sodium iodide Nutrition 0.000 description 1
- 229910052716 thallium Inorganic materials 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
- G01V5/101—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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N23/00—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00
- G01N23/22—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by measuring secondary emission from the material
- G01N23/221—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by measuring secondary emission from the material by activation analysis
- G01N23/222—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by measuring secondary emission from the material by activation analysis using neutron activation analysis [NAA]
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2223/00—Investigating materials by wave or particle radiation
- G01N2223/07—Investigating materials by wave or particle radiation secondary emission
- G01N2223/074—Investigating materials by wave or particle radiation secondary emission activation analysis
- G01N2223/0745—Investigating materials by wave or particle radiation secondary emission activation analysis neutron-gamma activation analysis
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2223/00—Investigating materials by wave or particle radiation
- G01N2223/60—Specific applications or type of materials
- G01N2223/616—Specific applications or type of materials earth materials
Landscapes
- Physics & Mathematics (AREA)
- High Energy & Nuclear Physics (AREA)
- General Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Immunology (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Analytical Chemistry (AREA)
- Chemical & Material Sciences (AREA)
- Pathology (AREA)
- Health & Medical Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geophysics (AREA)
- Geophysics And Detection Of Objects (AREA)
- Analysing Materials By The Use Of Radiation (AREA)
- Measurement Of Radiation (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US18217180A | 1980-08-28 | 1980-08-28 | |
US182,171 | 1980-08-28 |
Publications (1)
Publication Number | Publication Date |
---|---|
CA1162660A true CA1162660A (en) | 1984-02-21 |
Family
ID=22667332
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA000382171A Expired CA1162660A (en) | 1980-08-28 | 1981-07-21 | Method for simultaneous measurement of borehole and formation neutron lifetimes |
Country Status (3)
Country | Link |
---|---|
CA (1) | CA1162660A (enrdf_load_stackoverflow) |
FR (1) | FR2489533A1 (enrdf_load_stackoverflow) |
GB (1) | GB2083211B (enrdf_load_stackoverflow) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA1225469A (en) * | 1983-06-22 | 1987-08-11 | Mobil Oil Corporation | Accelerator-type neutron source and a method of controlling the same |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3133195A (en) * | 1958-12-05 | 1964-05-12 | California Research Corp | Neutron slowing down and absorption logging method |
US3705304A (en) * | 1967-05-31 | 1972-12-05 | Dresser Ind | Pulsed neutron well logging apparatus having means to vary the neutron generator pulse repetition rate |
US4152590A (en) * | 1977-05-19 | 1979-05-01 | Texaco Inc. | Simultaneous thermal neutron decay time and porosity logging system |
IE49620B1 (en) * | 1978-10-26 | 1985-11-13 | Schlumberger Ltd | Method and apparatus for measuring thermal neutron characteristics |
-
1981
- 1981-07-21 CA CA000382171A patent/CA1162660A/en not_active Expired
- 1981-08-14 GB GB8124931A patent/GB2083211B/en not_active Expired
- 1981-08-28 FR FR8116482A patent/FR2489533A1/fr active Granted
Also Published As
Publication number | Publication date |
---|---|
GB2083211B (en) | 1984-04-11 |
FR2489533B1 (enrdf_load_stackoverflow) | 1984-12-21 |
GB2083211A (en) | 1982-03-17 |
FR2489533A1 (fr) | 1982-03-05 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US4424444A (en) | Method for simultaneous measurement of borehole and formation neutron lifetimes | |
US4409481A (en) | Method for simultaneous measurement of thermal neutron decay components | |
US3379882A (en) | Method and apparatus for neutron well logging based on the lifetime of neutrons in the formations | |
US7538319B2 (en) | Use of thorium-uranium ratio as an indicator of hydrocarbon source rock | |
US7615741B2 (en) | Determining organic carbon downhole from nuclear spectroscopy | |
US3780303A (en) | Pulsed neutron logging with background compensation | |
US4152590A (en) | Simultaneous thermal neutron decay time and porosity logging system | |
US7718956B2 (en) | Use of elemental pulse neutron spectroscopy measurements for indexing bitumen viscosity in the well | |
US4020342A (en) | Earth formation salinity by comparison of inelastic and capture gamma ray spectra | |
WO2006116299A2 (en) | Method and apparatus for a density indicator using pulsed neutron instruments | |
GB2376523A (en) | Multiple measurements borehole detector with segmented sensors | |
US4388529A (en) | System for simultaneous measurement of borehole and formation neutron lifetimes | |
US3925659A (en) | Inelastic gamma ray logging system | |
US4350888A (en) | Method and system for determining thermal neutron lifetime of earth formations | |
US3946226A (en) | Well logging method and apparatus | |
EP0145172B1 (en) | Epithermal neutron porosity measurement | |
US4625110A (en) | Epithermal neutron porosity measurement | |
US3838279A (en) | Determination of borehole washout by use of inelastic neutron scattering gamma ray measurements | |
US4404163A (en) | Neutron generator tube ion source control system | |
US4454420A (en) | Neutron-inelastic gamma radiation well logging method and apparatus with background radiation accounted for | |
US4625111A (en) | Method and apparatus for pulsed neutron capture measurement of borehole conditions and formation hydrogen index | |
US4381449A (en) | Neutron-inelastic gamma radiation well logging method and apparatus with background radiation accounted for | |
US3928762A (en) | Pulsed neutron combination well logging system | |
CA1162660A (en) | Method for simultaneous measurement of borehole and formation neutron lifetimes | |
CA1162659A (en) | Method for simultaneous measurement of borehole and formation neutron lifetimes employing iterative fitting |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
MKEX | Expiry |