There are over 100 oil wells and 3 installed flow stations in Abia State. There is also an associated gas plant, Abia/NNPC gas plant. As of 2012, boundary Commission said it returned 42 oil wells from neighbouring Rivers State to Abia. This would have meant Abia being fourth largest oil producing state in the country. Oil giant, Shell, holds most of the licenses for the wells in the State and has concentrated on the estimated 50 wells that are considered high-yield.