Process   SOFTWARE APPLICATION DEVELOPER TRAYS / PC TRAY & PACKING RATING SOFTWARE VENDOR SOFTWARE PSV / PC RELIEF VALVE SIZING VENDOR SOFTWARE PRODUCTS / PC REFINERY PRODUCTS BLENDING OPTIMIZATION VENDOR SOFTWARE STEAM / PC STEAM TRAP SIZING VENDOR SOFTWARE PHAWORKS / PC HAZOP STUDIES   HHTC  / PC HYDRAULIC AND HEAT TRANSFER CALCULATION FOR PIPELINE TEHRAN RAYMAND ATHT / PC ATMOSPHERIC AND HEAT TRANSFER CALCULATION TEHRAN RAYMAND VESSEL SIZING DESIGN OF SEPARATORS AND VESSELS TEHRAN RAYMAND PRO II (Ver. 3.33) CHEMICAL, PETROCHEMICAL, GAS & OIL FLOW SHEET SIMULATION SIMULATION SCIENCE INC. PIPEPHASE (Ver. 5.1) HYDRAULIC AND HEAT TRANSFER CALCULATION FOR PIPELINE AND GATHERING SYSTEMS SIMULATION SCIENCE INC.  HYSYS (Ver. 2.4.1) PROCESS STIMULATION PROGRAM HYPROTECH  HYSYS (Ver. 3.0.1) PROCESS STIMULATION PROGRAM HYPROTECH FLARE NET (Ver. 3.0) DESIGN OF FLARE AND VENT PIPING SYSTES HYPROTECH ASPEN B-JAC (Ver. 10.2) HEAT TRANSFER EQUIPMENT DESIGN ASPEN TECH.   General Project Control Architecture Equipment Structure Process Instrument Electrical Civil Piping & Layout