Oil and Gas Sector

11. What is the process of removing impurities, such as sulfur, from crude oil called?
a) Desalting
b) Desulfurization
c) Decarbonization
d) Dehydration

12. Which gas is added to natural gas pipelines to detect leaks?
a) Oxygen
b) Carbon dioxide
c) Methane
d) Mercaptan

13. Which country is the largest consumer of oil in the world?
a) China
b) United States
c) India
d) Russia

14. What is the process of separating oil and gas from water produced during extraction called?
a) Dehydration
b) Desalting
c) Demulsification
d) Decarbonization

15. Which company is the largest publicly traded oil and gas company in the world?
a) ExxonMobil
b) Chevron
c) Saudi Aramco
d) Shell