以对氟苯甲酸乙酯为例,利用气质联用方法,建立了油田油溶性示踪剂定量检测方法。实验结果显示,采用Rxi-5ms石英毛细管柱,进样口温度200℃,进样量1μL,载气流速2 m L/min,EI离子源电子能量80 eV,离子源温度200℃,建立标准曲线的线性范围...以对氟苯甲酸乙酯为例,利用气质联用方法,建立了油田油溶性示踪剂定量检测方法。实验结果显示,采用Rxi-5ms石英毛细管柱,进样口温度200℃,进样量1μL,载气流速2 m L/min,EI离子源电子能量80 eV,离子源温度200℃,建立标准曲线的线性范围为0.1~50μg/L,R2=0.998 4,RSD=4.1%,方法最低检测限为1.5×10^(-3)μg/L。该检测方法具有重现性好、灵敏度高的特点,能满足对油田油溶性示踪剂的检测要求。展开更多
Injecting air catalytic oxide production process,which has various production mechanism,is an innovative,efficient,and lower cost technology of enhance heavy oil recovery.So it is more and more concerned by people.Usi...Injecting air catalytic oxide production process,which has various production mechanism,is an innovative,efficient,and lower cost technology of enhance heavy oil recovery.So it is more and more concerned by people.Using the copper naphthenic as the catalyst,this paper focuses on evaluation of catalytic conditions for SZ36-1 heavy oil.When catalyst dosage is 0.2(w)%,reaction temperature is 100℃,air pressure is 2MPa and reaction time is 3d,oxygen dosage of tail gas was reduced from 21.0% to 10.0% and acid number of heavy oil was raised from 3.96mgKOH/g to 13.50mgKOH/g and viscosity was raised from 2.004Pa·S to 11.48Pa·S.When oxidized oil was added 1.2(w)% SW-1 additive and 40(w)% water,stirring was operated under constant temperature,O/W emulsified oil was generated,and viscosity was finally reduced to 0.067Pa·S and the total ratio of reduced viscosity was 96.66%.展开更多
文摘以对氟苯甲酸乙酯为例,利用气质联用方法,建立了油田油溶性示踪剂定量检测方法。实验结果显示,采用Rxi-5ms石英毛细管柱,进样口温度200℃,进样量1μL,载气流速2 m L/min,EI离子源电子能量80 eV,离子源温度200℃,建立标准曲线的线性范围为0.1~50μg/L,R2=0.998 4,RSD=4.1%,方法最低检测限为1.5×10^(-3)μg/L。该检测方法具有重现性好、灵敏度高的特点,能满足对油田油溶性示踪剂的检测要求。
文摘Injecting air catalytic oxide production process,which has various production mechanism,is an innovative,efficient,and lower cost technology of enhance heavy oil recovery.So it is more and more concerned by people.Using the copper naphthenic as the catalyst,this paper focuses on evaluation of catalytic conditions for SZ36-1 heavy oil.When catalyst dosage is 0.2(w)%,reaction temperature is 100℃,air pressure is 2MPa and reaction time is 3d,oxygen dosage of tail gas was reduced from 21.0% to 10.0% and acid number of heavy oil was raised from 3.96mgKOH/g to 13.50mgKOH/g and viscosity was raised from 2.004Pa·S to 11.48Pa·S.When oxidized oil was added 1.2(w)% SW-1 additive and 40(w)% water,stirring was operated under constant temperature,O/W emulsified oil was generated,and viscosity was finally reduced to 0.067Pa·S and the total ratio of reduced viscosity was 96.66%.
