Hajrudin Bilalic extracts oil from a hole in his yard in Dubrave near Tuzla about 130 km (81 miles) from Sarajevo October 26, 2011. Bilalic found three sources of oil in his yard ten years ago. Bosnia's Muslim-Croat federation will seal a preliminary deal next month with Shell Exploration Company, part of Royal Dutch Shell, to start exploring potential natural gas and oil fields in the region, the government said on October 13, 2011. REUTERS/Dado Ruvic (BOSNIA AND HERZEGOVINA - Tags: ENERGY BUSINESS)