Resistivity Logs

Resistivity logs are used to measure the electrical resistance of the formation. (correct)

Resistivity logs are used to measure the permeability of the formation.

Resistivity logs are used to measure the porosity of the formation.

Resistivity logs are used to measure the lithology of the formation.

To estimate the temperature of the formation.

To assess the structural integrity of the wellbore.

To determine the depth of the formation.

To identify the presence of hydrocarbons. (correct)

By measuring the temperature gradient within the wellbore.

By sending electrical currents through the formation and measuring the voltage. (correct)

By analyzing the acoustic signals reflected from the formation.

By using gamma-ray detectors to measure the radioactivity of the formation.

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