Oilfield Produced Water Reuse and Reinjection with Membrane Utjok W.R. Siagian, Setyo Widodo, Khoiruddin, Anita K. Wardani and I Gede Wenten MATEC Web Conf., 156 (2018) 08005 Published online: 14 March 2018 DOI: 10.1051/matecconf/201815608005