A. No one can tell it for sure, but if you look at the chart below, it could give us a clue -
It looks like the natural gas industry experienced something similar (actually worse) to what oil industry is experiencing today, except that happened a few years earlier - price falling, rigs shut, yet production kept going up because drillers became smarter and efficiency caught up.
If the pattern repeats itself in oil industry, the drilling rigs could continue to fall, but productivity could continue to rise, which drives oil production keep going up, and pressures oil price. All these make $100 a barrel harder to come by. History will tell how the above chart will trend ...