18 () posted 1 year ago by BuckeyePatr1ot 1 year ago by BuckeyePatr1ot +23 / -5 191 comments share 191 comments share save hide report block hide replies
Under the right conditions. Inject water, sand and chemicals under high pressure, and as a result oil is created.
If it is contaminated under pressure, it will be forced upward if there is a opening that way, until the pressure has been released.