[symplee]

This bad boy holds about negative $-43,492,267 dollars worth oil.

  160,000 metric ton capacity
  times 2204 pounds per ton
  352,640,000 pound capacity
  300 pounds of oil per barrel
  1,175,467 barrels
  at -$37.00
  = profit

[fred_is_fred]

With the negative price someone will pay you to store it.

[downerending]

You forgot

    after filling, tow it out to sea and scuttle it
    = profit