Germany’s Wintershall Holding GmbH has expressed an interest in buying stakes in Libyan oil-and-gas assets from Occidental Petroleum Corp. OXY 0.18 % , Libyan officials said, a rare move by a western company to increase its foothold in the war-torn country. Houston-based Occidental has sought and obtained permission from Libya’s state-run National Oil Co. to allow Wintershall access to confidential data of fields it partly owns, Libyan officials said. “Occidental has been asking approval of NOC for disclosing information to Wintershall,” an official said. Occidental has been trying to sell up to a 40% stake in its Middle Eastern and North African interests since October 2013, as it tries to focus on its prolific North American assets. Its Libyan fields have been producing insignificant amounts, the company said in its 2014 report to the U.S. Securities and Exchange Commission, as the country remains divided by a […]