Determining elemental concentrations and formation matrix type from natural gamma ray spectral logs
Patent
·
OSTI ID:5754826
Natural gamma radiation is detected by a scintillation detector in a well logging sonde and separated into at least six separate energy regions. The gamma ray counts in the higher four energy regions are used to derive borehole compensated elemental concentrations of potassium, uranium and thorium. The gamma ray counts lower two energy regions are used to identify formation lithology.
- Assignee:
- Halliburton Co.
- Patent Number(s):
- US 4492863
- OSTI ID:
- 5754826
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
02 PETROLEUM
020300* -- Petroleum-- Drilling & Production
03 NATURAL GAS
030300 -- Natural Gas-- Drilling
Production
& Processing
CHEMISTRY
EQUIPMENT
GAMMA LOGGING
GEOCHEMISTRY
LITHOLOGY
MEASURING INSTRUMENTS
NATURAL GAS WELLS
OIL WELLS
RADIATION DETECTORS
RADIOACTIVITY LOGGING
SCINTILLATION COUNTERS
WELL LOGGING
WELL LOGGING EQUIPMENT
WELLS
020300* -- Petroleum-- Drilling & Production
03 NATURAL GAS
030300 -- Natural Gas-- Drilling
Production
& Processing
CHEMISTRY
EQUIPMENT
GAMMA LOGGING
GEOCHEMISTRY
LITHOLOGY
MEASURING INSTRUMENTS
NATURAL GAS WELLS
OIL WELLS
RADIATION DETECTORS
RADIOACTIVITY LOGGING
SCINTILLATION COUNTERS
WELL LOGGING
WELL LOGGING EQUIPMENT
WELLS