Published November 8, 1979
| Version v1
Patent
Measuring water flow rate
Description
This invention relates to nuclear well logging methods and apparatus and more particularly to neutron-gamma logging involving the reaction 16O(n,γp)16N to determine the presence of undesired water flow in cement voids or channels behind steel well casing in a cased well borehole
Availability note (English)
Copies available from the Commissioner of Patents, Canberra.Additional details
Additional titles
- Augmented title (English)
- (well fluid production profiling using an oxygen activation flow meter)
Publishing Information
- Imprint Pagination
- 39 p.
- Patent number
- AU patent document 76/19197/B/
INIS
- Country of Publication
- Australia
- Country of Input or Organization
- Australia
- INIS RN
- 12616293
- Subject category
- S07: ISOTOPES AND RADIATION SOURCES;
- Resource subtype / Literary indicator
- Non-conventional Literature
- Descriptors DEI
- BOREHOLES; FLOW RATE; FLOWMETERS; FLUID FLOW; GAMMA RADIATION; NEUTRON ACTIVATION ANALYSIS; NEUTRON REACTIONS; NEUTRON-GAMMA LOGGING; NITROGEN 16; OXYGEN 16 TARGET; PROTONS; WATER
- Descriptors DEC
- ACTIVATION ANALYSIS; BARYON REACTIONS; BARYONS; BETA DECAY RADIOISOTOPES; BETA-MINUS DECAY RADIOISOTOPES; CATIONS; CAVITIES; CHARGED PARTICLES; CHEMICAL ANALYSIS; ELECTROMAGNETIC RADIATION; ELEMENTARY PARTICLES; FERMIONS; HADRON REACTIONS; HADRONS; HYDROGEN COMPOUNDS; HYDROGEN IONS; HYDROGEN IONS 1 PLUS; IONIZING RADIATIONS; IONS; ISOTOPES; LIGHT NUCLEI; MEASURING INSTRUMENTS; NEUTRON LOGGING; NITROGEN ISOTOPES; NUCLEAR REACTIONS; NUCLEI; NUCLEON REACTIONS; NUCLEONS; ODD-ODD NUCLEI; OXYGEN COMPOUNDS; RADIATIONS; RADIOACTIVITY LOGGING; RADIOISOTOPES; SECONDS LIVING RADIOISOTOPES; TARGETS; WELL LOGGING
Optional Information
- Notes
- Filed 1 Nov 1976, priority US 3 Nov 1975 (628175).