PSE Provides Process Technologies, Project Management, Engineering, Procurement, Construction and Commissioning Services for Projects That Include Oil-Gas (On-Shore & Off-Shore) Gas Processing Plants, Refineries, Petrochemical, Chemical, and Oleo-Chemical. PSE Provides FEED (Front End Engineering Design) for Open Art or Licensed Technologies, Basic And Detailed Engineering, Turnkey Consultancy Services, PMC (Project Management Consultancy) Services. Keywords: Basic Engineering, Detailed Engineering, Oil Refinery