If it closes at 30 don't be surprised. I also won't be surprised if it breaks lower at any point between now and Aug 22 after options expiration. In fact, I'm betting on it. Once that happens longs will panic and buy puts paying a serious premium. I'm talking about a $1 break even will start it.
I think you can count on a last half hour assault. There is a holding action in place now. I would be very surprised, however, if the seller(s), who I think are disaffected rig participants, are not aware of this pattern and are not prepared with supply to feed the need.