TITLE Simulation and Design of the Topside of a Floating Production, Storage and Offloading vessel. (FPSO) (Crude Oil Stabilization Process) Amirul Asyraff Bin Othman Chemical Engineering CRUDE OIL Dr. Fernando Carrillo Navarrete SEPTEMBER 2019 STABILIZATION PROCESS EL PROCESO DE ESTABILIZACION DEL CRUDO CONTENTS LIST OF FIGURES ............................................................................................................................................ 3 LIST OF TABLES .............................................................................................................................................. 5 ACKNOWLEDGEMENT ................................................................................................................................... 6 ABSTRACT ...................................................................................................................................................... 7 CHAPTER 1. INTRODUCTION .......................................................................................................................... 8 1.1 CRUDE OIL PROCESSING AT UPSTREAM .............................................................................................. 8 1.2 OBJECTIVES ........................................................................................................................................ 10 CHAPTER 2. LITERATURE REVIEW ................................................................................................................ 11 2.1 VAPOR PRESSURE .............................................................................................................................. 11 2.1.1 REID VAPOR PRESSURE (RVP) AND TRUE VAPOR PRESSURE (TVP) ............................................. 11 2.1.2 DEVELOPMENT OF MODEL FOR CORRELATION OF TVP WITH RVP OF CRUDE OIL .................... 12 2.1.3 CORRELATION BETWEEN VAPOR PRESSURE AND TEMPERATURE OF A FLUID ........................... 16 2.1.4 ESTIMATION OF VAPOR PRESSURE USING ANTOINE EQUATION ............................................... 17 2.2 OFFSHORE ......................................................................................................................................... 18 2.2.1 FLOATING PRODUCTION STORAGE AND OFFLOADING (FPSO) ................................................... 18 2.3 PRINCIPLE OF SEPARATION PROCESS ................................................................................................ 19 2.3.1 SEPARATION PROCESS IN OIL AND GAS ...................................................................................... 19 REMOVAL OF GAS FROM OIL ............................................................................................................... 19 SEPARATION OF WATER FROM OIL ..................................................................................................... 20 2.3.2 EFFECT OF SEPARATOR OPERATING PRESSURE ON LIQUID RECOVERY ...................................... 21 2.3.2 EFFECT OF NUMBER OF STAGES ON LIQUID RECOVERY ............................................................. 21 2.4 PROPERTY PACKAGES ........................................................................................................................ 22 2.4.1 PENG ROBINSON ........................................................................................................................ 23 2.4.2 CHAO SEADER ............................................................................................................................. 24 CHAPTER 3. METHODOLOGY ....................................................................................................................... 25 3.1 PROJECT RESEARCH ........................................................................................................................... 25 3.2 BACKGROUND OF CENDOR PHASE 2 FIELD PROJECT ........................................................................ 25 3.3 PROJECT SIMULATIONS .................................................................................................................... 26 CHAPTER 4. RESULTS & DISCUSSION ........................................................................................................... 28 4.1 BRIEF PROCESS DESCRIPTION ............................................................................................................ 28 4.2 PROCESS SIMULATIONS CASE STUDY ................................................................................................ 33 1 4.2.1 FLUID PACKAGE .......................................................................................................................... 35 4.3 UNITS ................................................................................................................................................. 35 4.3. EFFECTS OF DIFFERENT OPERATING CONDITIONS ON TRUE VAPOR PRESSURE (TVP) AND REID VAPOR PRESSURE (RVP) .......................................................................................................................... 36 4.3.1 EFFECTS OF INLET FEED PARAMETERS ....................................................................................... 38 4.3.2 EFFECTS THREE PHASE SEPARATOR PARAMETERS ..................................................................... 56 4.4 EFFECTS OF DIFFERENT OPERATING PRESSURE OF SEPARATOR AND NUMBER OF SEPARATION PROCESS TOWARDS THE FINAL COMPOSITION OF THE CRUDE OIL. ....................................................... 65 CHAPTER 5. CONCLUSION ........................................................................................................................... 72 CHAPTER 6. BIBLIOGRAPHY ......................................................................................................................... 74 CHAPTER 7. APPENDICES ............................................................................................................................. 76 APPENDIX I .............................................................................................................................................. 76 DRAWINGS, SCHEMATIC AND PFDS OF CENDOR PHASE 2 FIELD PROJECT ............................................. 76 APPENDIX II ............................................................................................................................................. 78 BASIS OF SIMULATIONS, CRUDE OIL COMPOSITION ............................................................................... 78 APPENDIX III ............................................................................................................................................ 81 PRELIMINARY ANALYSIS DATA TABLES .................................................................................................... 81 DATA TABLES OF SIMULATIONS USING PENG ROBINSON AS FLUID PACKAGE. ................................... 81 DATA TABLES OF SIMULATIONS USING CHAO - SEADER AS FLUID PACKAGE. ..................................... 86 APPENDIX IV ............................................................................................................................................ 91 STANDARD CONDITIONS OF THE SIMULATION ................................................................................... 91 APPENDIX V ............................................................................................................................................. 98 CERTIFICATE OF ORIGINALITY .............................................................................................................. 98 2 LIST OF FIGURES Figure 1. Nomograph for the conversion of RVP to TVP and vice versa [6]. ________________________________ 13 Figure 2. The approximate relationship between RVP and RVP for different volatile crude and petroleum products is given by W L Nelson in reference[2] _______________________________________________________________ 14 Figure 3. The approximate relationship between RVP and RVP for different volatile crude and petroleum products is given by W L Nelson in reference [2] ______________________________________________________________ 15 Figure 4. The typical system and its recommended property methods.[13] _______________________________ 23 Figure 5. Full PFD of the process. _________________________________________________________________ 29 Figure 6. Phase envelope curve for the composition of the feed. ________________________________________ 32 Figure 7. Cendor 2 (H15) Well HP - Std Ideal Liq Vol Flow (barrel/day) using Peng Robinson __________________ 40 Figure 8. Cendor 2 (H15) Well HP - Std Ideal Liq Flow (barrel/day) using Chao - Seader ______________________ 41 Figure 9.Cendor 2 (H15) Well LP - Std Ideal Liq Flow (barrel/day) using Peng Robinson ______________________ 42 Figure 10.Cendor 2 (H15) Well LP - Std Ideal Liq Flow (barrel/day) using Chao – Seader _____________________ 42 Figure 11. Cendor 2 (H15) Well Freewater HP - Std Ideal Liq Flow (barrel/day) using Peng Robinson ___________ 44 Figure 12.Cendor 2 (H15) Well Freewater HP - Std Ideal Liq Flow (barrel/day) using Chao – Seader ____________ 44 Figure 13. Cendor 2 (H15) Well Freewater LP - Std Ideal Liq Flow (barrel/day) using Peng Robinson ____________ 46 Figure 14. Cendor 2 (H15) Well Freewater LP - Std Ideal Liq Flow (barrel/day) using Chao – Seader. ____________ 46 Figure 15. Cendor 2 (H15) Well HP - Temperature (⁰C) using Peng Robinson _______________________________ 48 Figure 16.Cendor 2 (H15) Well HP - Temperature (⁰C) using Chao – Seader _______________________________