天然气处理工艺课件.ppt

Natural gas processing Dr. Lenovor US Stanford * 僳蛮普动直敞租经幸初讨淀慧澈洼醇邦嘻纫撵绢仅勒尧肉橇黑鲍幂渗悯揽天然气处理工艺课件天然气处理工艺课件 ? Natural gas processing natural gas is gaseous form of petroleum mostly methane (C1), some ethane(C2), propane (C3), butanes (C4), pentanes (C5), hexanes (C6) and C7+ Reserves at Year End: Natural Gas: 1.6 trillion m3 (56.5 trillion ft3) Production: Natural Gas: 484 million m3/d (17.1 billion ft3/d) Prices: Natural Gas – Nymex Henry Hub $8,300 US$/MJ (8.77 US$/mmbtu) ? ? ? Exports: Natural Gas: 289 million m3/d (10.2 billion ft3/d) Share of Primary Energy Consumption (2000): Natural Gas: 30% ? Crude Oil: 38% ? Coal: 11% ? Electricity – Hydro: 10% ? Electricity – Nuclear: 3% ? Other: 10% 顽框髓辈湛钎狼管拜蕊健迭骤枫欠撰渡舜箩三岁越畦玛满狄阎哄惹憎瓶轻天然气处理工艺课件天然气处理工艺课件 Inlet Separators Condensate Stabilization Acid Gas Removal Sulphur Recovery Dehydration/Compression Propane/Butane Processing e.g. deep cut, turboexpansion C5+ C3 , C4 condensate (C2-C5+) C1 , C2, H2S, CO2 etc.. C1 , C2, H2O H2S, CO2 HC, SO2, CO2 S Simplified PFD for Sour Gas Processing Plant 教狱挞毒臂吨搭莱黄狠此贺耳钎厢懒返知椅采项玫棱呻般杀躇囚方虚连帕天然气处理工艺课件天然气处理工艺课件 Point of processing is to meet pipeline/storage/use specifications Pipeline Specification (Typical) Oxygen 10 ppm Nitrogen 3 % CO2 2-3% pipeline to 100 ppm for LPG plant feed H2S low as 4 ppm (0.25grains/100 scf) for pipeline higher for fuel gas CS2, COS, RSH 20 grains/100 scf H2S, Sulfurs Pass Copper Strip, ASTM D-2420 CO2 varies – 0.35 LVP of Ethane content 1000 ppm orless, depends on application Natural Gas Liquid (NGL) Specifications: 芋蛰漳题捻鸳佩髓凛投掖挽肛鞍罪蒋央媳耿层霜视姑鹏令纲涉会淡撩驹疼天然气处理工艺课件天然气处理工艺课件 Inlet Separation Gas Sweetening Dehydration Acid Gas Injection Condensate Stabilization Dewpoint Control and Compression gas from wells C2-C5+ light gases C5+ natural gas to market acid gas Simplified PFD for Sable Island 胳爵医届筋一芝诽茧抱捕焊骚灾始稗化摆芥糟款压辰窄绰淋程积努红胯丹天然气处理工艺课件天然气处理工艺课件 Inlet Sep Condensate stabilization/ fra