稠油注空气低温催化氧化动力学实验  

Experiment on Dynamics of Low- temperature Catalytic Oxidation in Heavy Oil Development through Air Flooding

作　　者：唐晓东[1,2] 刘铉东[2] 卿大咏[2] 李晶晶[2] 王轩[2] 

机构地区：[1]油气藏地质及开发工程国家重点实验室西南石油大学,四川成都610500 [2]西南石油大学,四川成都610500

出　　处：《特种油气藏》2015年第4期69-71,154,共3页Special Oil & Gas Reservoirs

基　　金：国家科技重大专项子课题"海上稠油热采增效机理及方法研究"(2011ZX05024-005-008);国家高技术研究发展计划"863"计划项目"海上稠油注空气缓和催化氧化采油技术研究"(2006AA09Z325)

摘　　要：为提高埕北稠油油藏注空气采油过程的安全性,进行了注空气低温氧化实验,研究了温度和催化剂对稠油低温氧化过程的影响。基于Arrhenius方程,确定出了稠油在催化和非催化条件下的反应动力学参数—反应级数、频率因子和反应活化能。实验结果表明,3种催化剂的催化活性由强到弱依次为ZnL、MnL、FeL,反应温度越高,稠油的耗氧速率越高。同非催化氧化相比,ZnL催化氧化反应的反应级数由0级变为1级,反应活化能由92.385 k J/mol降至77.576 k J/mol。ZnL可显著提高稠油的耗氧速率,对保障注空气采油全过程的安全性具有重要意义。To ensure safety of oil production through air flooding in the Chengbei heavy oil reservoirs,low- temperature oxidation experiment for air flooding was conducted to identify impacts of temperature and catalyzer on low- temperature oxidation of heavy oil. By using the Arrhenius Equation,dynamics parameters( order of reaction,frequency and reaction activation energy) of reactions of heavy oil under catalytic and non- catalytic conditions were identified. Research results show that the three catalyzers,Zn L,Mn L and FeL,have catalytic activities decreased. In addition,higher reaction temperatures involve higher rates of oxygen consumption by the heavy oil. Compared with non- catalytic oxidation,Zn L catalytic oxidation has the order of reaction changed from 0 to 1,whereas the reaction activation energy decreased from 92. 385 k J / mol to 77. 576 k J / mol. Generally,Zn L may significantly enhance oxygen consumption rates of the heavy oil,and accordingly,may play an important role in ensuring safety of oil production through air flooding.

关 键 词：注空气 低温氧化 动力学 催化氧化 埕北稠油 

分 类 号：TE357.7[石油与天然气工程—油气田开发工程]