What are research methods and oil exploration?

Many method could be implemented in oil exploration:

1. Remote sensing to find out lineaments.

2. Geophysical studies (seismic studies) 

3. Structural geology to understand type of geological trap.

4. Paleontology can be implemented to study the related oil fossils. during drilling and obtaining samples.

5. Drilling works to check geophysical findings.

This is briefly and they help