Petrex S.A., a Peruvian wholly-owned subsidiary of Italian oil and gas contractor Saipem S.p.A., specializes in onshore and offshore drilling and maintenance of oil wells for the oil & gas industry, but has also carried out projects for the mining industry. The firm has operations in Peru, Venezuela, Ecuador, Colombia, Bolivia, Argentina and Chile. Lima-based Petrex was founded in 1983. In 2015, Petrex operated 62 rigs in the region: 19 in Peru, 28 in Venezuela, six in Colombia, four in Ecuador, three in Bolivia and two in Chile. In the same year, Petrex Chile S.A. was awarded a EPIC contract to build and install a 160km water piping system for state-run mining giant Codelco's Radomiro Tomic plant in northern Chile's Atacama region.