4 ms·

There's lots of empty oil fields out there though. Many of them could hopefully be refilled just using gravity?

• brutusborn 7y ago
  Reconfiguring wells to reverse flow is a lot of work, and would take a significant amount of time to setup. This can happen with old gas wells, excess gas can be compressed and reinjected into the well, but they are specially designed systems.
• tomc1985 7y ago
  The US Strategic Petroleum Reserve is stored underground, surely they could build a similar reservoir
  • koolba 7y ago
    You could. Though it’d cost billions of dollars and would not be done by the time the contracts expire and deliver needs to be taken.