Mobil Producing Nigeria is one of the largest oil producers in Nigeria. The company commenced operations in Nigeria in 1955 under the name Mobil Exploration Nigeria Incorporated (MENI). MPN operates a Joint Venture with the Federal Government of Nigeria, through the Nigerian National Petroleum Corporation (NNPC). The Federal Government has a 60 percent share, with the remaining 40 percent being MPN. Since 1961, when the company was granted Oil Prospecting License (OPL) offshore present Akwa Ibom State, MPN has made visible contributions to the development of Nigeria's