Hydraulic Fracturing with Diesel Fuels: More Recommendations for Successful Permitting
6. (Regarding well construction) EPA UIC Program Directors should ensure that a combination of casing and cement isolates the lowermost underground source of drinking water (USDW) encountered in the borehole from hydraulic fracturing (HF) target formations when specifying casing and cementing requirements for Class II wells using diesel fuel for HF. Owners/operators may be required […]
