Quick Revision Quiz

Test out your oil exploration knowledge in this quick quiz:

1. Where does oil and gas come from?

A:Mantle Rock

B:Buried marine material that did not fully decompose

C:Swamp gases

2. Where can seismic exploration methods be used?

A:Only on land

B:Only at sea

C:Both on land and at sea

3. How does buried organic material turn into hydrocarbons?

A:The organic matter combines with hot clay to produce gas

B:The organic material is squeezed by great pressure until oil is released

C:Heat and pressure cause the large organic molecules to break down into shorter units that constitute petroleum

4. Which of the following is NOT a seismic exploration source?

A:Airgun

B:Earthquakes

C:Explosives

5. What are the units on the y axis of a seismic profile?

A:Time

B:Two way time

C:Depth

6. Geophones are used in seismic exploration for what purpose?

A:Producing seismic energy

B:Recording reflected seismic energy

C:Keeping the field crew in contact with each other

7. In which direction does oil or gas migrate?

A:North

B:Towards the equator

C:Towards the surface

8. What is porosity?

A:The interconnectivity of pore spaces in a rock

B:The small spaces that can fill with fluid or gas in rocks

C:A measure of grain size in sedimentary rocks

9. What property must a cap rock have in order to trap hydrocarbons?

A:It is very hard

B:It is igneous

C:It is impermeable

10. Which one of the following geological features could potentially be a hydrocarbon trap?

A:A volcano

B:An anticline

C:A continental shelf