Ondeo Nalco Energy Services, Naperville, Ill., through its local distributor Special Oilfield Services, has been awarded a five-year pipeline corrosion management services contract by Petroleum Development Oman LLC (PDO).

PDO is a joint development am ong the Omani government (60 percent), Shell (34 percent), TotalFinaElf (4 percent) and Partex (2 percent). The contract integrates the supply of chemicals, services and pipeline cleaning (pigging). The focus will be on the provision of technology to develop specialty chemicals, complete management of all field activities related to monitoring and treatment, and optimization of the current pigging program.