DK247681A - Fremgangsmaade og anlaeg til sondering af jordformationerne omkring et borehul - Google Patents
Fremgangsmaade og anlaeg til sondering af jordformationerne omkring et borehulInfo
- Publication number
- DK247681A DK247681A DK247681A DK247681A DK247681A DK 247681 A DK247681 A DK 247681A DK 247681 A DK247681 A DK 247681A DK 247681 A DK247681 A DK 247681A DK 247681 A DK247681 A DK 247681A
- Authority
- DK
- Denmark
- Prior art keywords
- substrating
- bill
- procedure
- equipment
- forms around
- Prior art date
Links
- 239000002689 soil Substances 0.000 title 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
-
- 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)
- Analytical Chemistry (AREA)
- Geophysics (AREA)
- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Analysing Materials By The Use Of Radiation (AREA)
- Geophysics And Detection Of Objects (AREA)
- Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
- Signal Processing For Digital Recording And Reproducing (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/156,971 US4315148A (en) | 1980-06-06 | 1980-06-06 | Method and apparatus for measuring neutron characteristics of material surrounding a borehole |
US06/163,260 US4317034A (en) | 1980-06-06 | 1980-06-26 | Method and apparatus for measuring neutron characteristics of material surrounding a borehole |
Publications (1)
Publication Number | Publication Date |
---|---|
DK247681A true DK247681A (da) | 1981-12-07 |
Family
ID=26853701
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DK247681A DK247681A (da) | 1980-06-06 | 1981-06-04 | Fremgangsmaade og anlaeg til sondering af jordformationerne omkring et borehul |
Country Status (7)
Country | Link |
---|---|
US (1) | US4317034A (da) |
CA (1) | CA1149970A (da) |
DE (1) | DE3123385A1 (da) |
DK (1) | DK247681A (da) |
GB (1) | GB2077427B (da) |
NL (1) | NL8102426A (da) |
NO (1) | NO811484L (da) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4600838A (en) * | 1984-07-20 | 1986-07-15 | Schlumberger Technology Corporation | Methods and apparatus for measuring thermal neutron decay characteristics of earth formations |
US4712007A (en) * | 1985-04-01 | 1987-12-08 | S.I.E., Inc. | Pulsed neutron logging method using cumulative count curves |
US4697078A (en) * | 1985-04-10 | 1987-09-29 | Western Atlas International, Inc. | Method for quality control of counting 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 |
GB2392975B (en) * | 2002-09-13 | 2005-11-23 | Reeves Wireline Tech Ltd | Method of logging a borehole |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3379884A (en) * | 1954-06-10 | 1968-04-23 | Dresser Ind | Method and apparatus for neutron lifetime well logging |
US3566116A (en) * | 1966-11-08 | 1971-02-23 | Schlumberger Technology Corp | 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 |
US4046764A (en) * | 1975-04-02 | 1977-09-06 | Dresser Industries, Inc. | Method and apparatus for measuring the thermal neutron absorption rate in earth formations |
US4267447A (en) * | 1978-10-26 | 1981-05-12 | Schlumberger Technology Corp. | Methods and apparatus for measuring thermal neutron decay characteristics of earth formations |
US4223218A (en) * | 1978-10-26 | 1980-09-16 | Schlumberger Technology Corporation | Methods and apparatus for optimizing measurements of thermal neutron decay characteristics |
-
1980
- 1980-06-26 US US06/163,260 patent/US4317034A/en not_active Expired - Lifetime
-
1981
- 1981-04-22 CA CA000375970A patent/CA1149970A/en not_active Expired
- 1981-04-30 NO NO811484A patent/NO811484L/no unknown
- 1981-05-18 NL NL8102426A patent/NL8102426A/nl not_active Application Discontinuation
- 1981-06-03 GB GB8117024A patent/GB2077427B/en not_active Expired
- 1981-06-04 DK DK247681A patent/DK247681A/da not_active Application Discontinuation
- 1981-06-09 DE DE19813123385 patent/DE3123385A1/de not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
CA1149970A (en) | 1983-07-12 |
GB2077427B (en) | 1984-01-18 |
US4317034A (en) | 1982-02-23 |
GB2077427A (en) | 1981-12-16 |
NL8102426A (nl) | 1982-01-04 |
DE3123385A1 (de) | 1982-06-16 |
NO811484L (no) | 1981-12-07 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ATS | Application withdrawn |