He has contributed to more than 30 publications about scale inhibitor squeeze treatment modelling, improved reservoir history matching using PWC, and optimisation of EOR implementation. He holds a BSc in Mathematics from the University Autonoma of Madrid, an MSc in Mathematical Modelling from East Anglia University, and both an MSc in Information Technology and a PhD in Petroleum Engineering from Heriot-Watt University. Oscar is a member of SPE.