How long do oil and gas leases last?

Related questions

1. Why is fracking used?
2. What states have banned fracking?
3. Is there fracking in the US?
4. How does an oil well drill bit work?
5. How do oil leases work?
6. Can a well go dry?
7. How many barrels a day does an oil well produce?
8. How much natural gas is left in the world?
9. How long do oil royalties last?
10. How much does fracking cost per year?

Tags

1. #period
2. #certain
3. #their
4. #result
5. #years
6. #which
7. #affect
8. #achieve
9. #lessee
10. #fixed
11. #lease
12. #leases
13. #during
14. #terms
15. #duration
16. #primary
17. #usually