Intel suggests that Libertad's gas and oil extraction company, Via-B Gas, is sourcing precursor chemicals and importing them on behalf of the cartel. It's vital that we locate the chief of the refinery and convince him to stop working with Santa Blanca.
To start this mission you need to acquire major intel in Libertad province. You can also unlock this mission by proximity.
1. Locate the refinery chief

2. Talk to the refinery chief

3. Locate the first oil derrick

4. Destroy the first oil derrick [0/6]
Explosives are not needed, just shoot the boxes.
![Destroy the first oil derrick [0/6]](https://guides4gamers.com/sites/4/screenshots/2017/04/640/destroy-the-first-oil-derrick.jpg)
5. Locate the second oil derrick

Location of drone jammer.

6. Destroy the second oil derrick [0/6]
Eliminate the guards, and then destroy all the boxes.
![Destroy the second oil derrick [0/6]](https://guides4gamers.com/sites/4/screenshots/2017/04/640/destroy-the-second-oil-derrick.jpg)
7. Talk to the refinery chief
Go back to the refinery and talk to the chief again.

8. Mission Complete
The Via B Gas refinery chief was a stubborn man, but in the end he saw the wisdom of breaking ties with the cartel. Now Santa Blanca has to come up with a new source for most of their precursors, a process that could take many months.