Royal Dutch Shell ( RDSa.L ) and Exxon Mobil ( XOM.N ) are looking to re-enter the market in Somalia ahead of an oil block bid round taking place later this year, the country’s oil ministry said in a statement. Shell and Exxon Mobil had a joint venture there prior to the toppling of dictator Mohamed Siad Barre in the early 1990s. Somalia has been mired in insecurity since Barre left and is battling Islamist group al Shabaab that frequently carries out bombings in the capital Mogadishu and elsewhere in the country. The country currently does not produce any oil but production could transform the economy as early stage seismic data has shown there could be significant oil reserves […]