Method for identifying complex lithologies in a subsurface formation
Patent
·
OSTI ID:6187049
A method of logging a subsurface formation surrounding a borehole includes the recording of an induced polarization log, the recording of a nuclear log of delayed gamma-rays from the activation of aluminum in the formation, and the recording of a nuclear log of natural gamma-rays from potassium in the formation. The induced polarization log and the nuclear logs are combined to identify the composition of the lithology of the subsurface formation.
- Assignee:
- Mobil Oil Corporation
- Patent Number(s):
- US 4467642
- OSTI ID:
- 6187049
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
02 PETROLEUM
020200* -- Petroleum-- Reserves
Geology
& Exploration
03 NATURAL GAS
030200 -- Natural Gas-- Reserves
Geology
& Exploration
ACTIVATION ENERGY
ALKALI METALS
ALUMINIUM
CONTROL
ELECTRIC LOGGING
ELEMENTS
ENERGY
EXPLORATORY WELLS
GAMMA LOGGING
GAMMA-GAMMA LOGGING
GEOLOGIC DEPOSITS
INDUCED POLARIZATION LOGGING
LITHOLOGY
METALS
MINERAL RESOURCES
NATURAL GAS DEPOSITS
PETROLEUM DEPOSITS
POLARIZATION
POTASSIUM
PROCESS CONTROL
RADIOACTIVITY LOGGING
RESOURCES
WELL LOGGING
WELLS
020200* -- Petroleum-- Reserves
Geology
& Exploration
03 NATURAL GAS
030200 -- Natural Gas-- Reserves
Geology
& Exploration
ACTIVATION ENERGY
ALKALI METALS
ALUMINIUM
CONTROL
ELECTRIC LOGGING
ELEMENTS
ENERGY
EXPLORATORY WELLS
GAMMA LOGGING
GAMMA-GAMMA LOGGING
GEOLOGIC DEPOSITS
INDUCED POLARIZATION LOGGING
LITHOLOGY
METALS
MINERAL RESOURCES
NATURAL GAS DEPOSITS
PETROLEUM DEPOSITS
POLARIZATION
POTASSIUM
PROCESS CONTROL
RADIOACTIVITY LOGGING
RESOURCES
WELL LOGGING
WELLS