CPG Exploration Techniques & Seismic Interpretation

Question 1

What is the primary objective of seismic interpretation in exploration?

Accepted Answer

To locate potential drilling sites based on subsurface data

Answer

To evaluate surface rock quality.

Answer

To analyze chemical composition of rocks.

Answer

To determine weather conditions.

Question 2

Which type of seismic wave is most commonly used in reflection seismic surveys?

Accepted Answer

P-waves

Answer

S-waves

Answer

Surface waves

Answer

Rayleigh waves

Question 3

What is the function of a geophone in seismic surveys?

Accepted Answer

To convert seismic waves into electrical signals

Answer

To generate seismic energy.

Answer

To measure air pressure.

Answer

To determine water depth.

Question 4

Which technique helps improve image clarity in seismic interpretation?

Accepted Answer

Migration

Answer

Filtering

Answer

Stacking

Answer

Correlation

Question 5

What is a seismic section?

Accepted Answer

A visual profile of subsurface layers using seismic data

Answer

A geologic cross-section.

Answer

A seismic time chart.

Answer

A chemical analysis report.

Question 6

How does 3D seismic data benefit exploration?

Accepted Answer

Provides detailed three-dimensional subsurface imagery

Answer

Reduces exploration costs.

Answer

Eliminates the need for drilling.

Answer

Increases seismic noise.

Question 7

Which geological features are commonly identified using seismic interpretation?

Accepted Answer

Faults, folds, and stratigraphic traps

Answer

Volcanoes and rivers.

Answer

Soil fertility zones.

Answer

Tectonic plate boundaries.

Question 8

Why is velocity analysis important in seismic data processing?

Accepted Answer

To ensure accurate depth imaging and interpretation

Answer

To reduce survey time.

Answer

To improve color mapping.

Answer

To locate drilling rigs.

Question 9

What is amplitude variation with offset (AVO) used for?

Accepted Answer

Analyzing changes in seismic reflection amplitude with offset

Answer

Measuring temperature variation.

Answer

Determining rock density.

Answer

Monitoring surface subsidence.