HOUSTON–(BUSINESS WIRE)–Murphy Oil Corporation today announced the execution of four production sharing contracts covering the Elombo, Etinde Exploration, Ntem, and Tilapia blocks offshore Cameroon. The blocks cover approximately 2.6 million acres. Murphy, through its subsidiary, will initially hold a 100 percent working interest and serve as operator. Société Nationale des Hydrocarbures (“SNH”) retains the right to participate in any future development with up to a 20 percent working interes