As the US becomes more energy independent (and more based on friendly sources) OPEC will be forced to drop prices in hopes of regaining market share.
Regardless, it will be good for our economy to have low-cost energy and abundance sources at home and from friends.
Israel is one of the shale rich regions, and I think we even devised a process to extract it underground that produces water, whether potable or arable I don’t know. Sooner or later, somebody will develop cold fusion, and oil will go the way of cotton, once “king,” now just a useful raw material among many others. Then the Saudis can go back to diddling goats.