Nigeria’s NNPC Ltd. announced on Tuesday that Sinopec’s Addax Petroleum Development (Nigeria) Ltd. has ceded its four main oil mining blocks in Nigeria to the state-owned oil corporation. By establishing Production Sharing Contracts (PSCs) with NNPC, Addax launched operations in Nigeria in 1998. “NNPC Ltd and Addax Petroleum Development (Nigeria) Ltd signed a Memorandum of Read More…