Refracking, the practice of fracking an oil and gas well a second time, is still too unpredictable to rely on as a way to slash costs and increase output during the oil price slump, top U.S. shale oil executives said ...
According to an unofficial specialized study, there is a potential of existence of shale oil in Kuwait as there are 23 calcareous clay layers expected to be a source of shale oil and gas, an expert said.