Financial Times | US shale oil output remains resilient despite rig count fall Financial Times When US shale oil production was still rocketing higher in 2013, about 1,400 rigs were drilling wells. The average horizontal well was 6,200ft long and was pumped full of 106,000 barrels of fracking fluid and 4.4m pounds of sand and other materials to ... New Oil Drilling Technology Will Soon Spark An Explosion Of Oil |