The NUPRC said 28 wells were assessed based on their proximity to the seepage locations, but that it could only access 14 wells physically. The Nigerian Upstream Petroleum Regulatory Commission (NUPRC) said it has screened 28 oil and gas wells around reported gas leak locations in Bille, Degema Local Government Area of Rivers State, identifying 13 as top-priority (3 very high risks and 10 high risks) and 15 as medium-to-low risks, as.