This will be the next story achievement after you have gotten this one:
The next story missions are:
-Scare away the Carmy
-Pay the ship Captain
-Feed the shark
-Help Mega blow up the USGAS sign
-Dismountle the combo pipes
-Tear off the corner piece
-Destroy the antennas!
-Drop the grate and balls
-Get off the Oil Rig!
-Help Mega oil the crane
After this mission you will unlock this achievement.