| URL | Priority | Change frequency | Last modified (GMT) |
|---|---|---|---|
| https://www.petrolern.com/petrolern-conducted-workshop-on-hydrocarbon-resources-and-reserves/ | 20% | Monthly | 2019-08-04 06:28 |
| https://www.petrolern.com/petrolern-presented-at-georgia-tech-school-of-civil-environmental-engineering/ | 20% | Monthly | 2019-08-04 06:29 |