NIGERIA’s Minister of Petroleum Resources, Mrs. Diezani Alison-Madueke, has pledged government’s support for indigenous oil companies that are willing to invest in every area of the value chain of the oil and gas sector. Alison-Madueke disclosed this at Aguleri-Otu during the inauguration of Orient Petroleum Plc’s Anambra River Production Facility in Anambra State, the first oil production from an inland basin in Nigeria.