Method for identifying complex lithologies in a subsurface formation

Patent · Tue Aug 14 04:00:00 EDT 1984

OSTI ID:6297086

Givens, W W

A method is disclosed for 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 inelastic scattering gamma rays from the activation of iron 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 Corp.
• Patent Number(s): US 4464930
• OSTI ID: 6297086
• Country of Publication: United States
• Language: English

Related Subjects

02 PETROLEUM
020200* -- Petroleum-- Reserves
Geology
& Exploration
03 NATURAL GAS
030200 -- Natural Gas-- Reserves
Geology
& Exploration
ALUMINIUM
CLAYS
ELECTRIC LOGGING
ELEMENTS
EXPLORATION
GAMMA LOGGING
GEOLOGIC DEPOSITS
INDUCED POLARIZATION LOGGING
IRON
LITHOLOGY
METALS
MINERAL RESOURCES
NATURAL GAS DEPOSITS
PETROLEUM DEPOSITS
RADIOACTIVATION
RADIOACTIVITY LOGGING
RESOURCES
SAND
TRANSITION ELEMENTS
WELL LOGGING