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| 引用本文： | 王振平,付晓泰,卢双舫,曲佳燕. ԭ���ѽ����ģ��ʵ�顢����������������[J]. 天然气工业, 2001, 21(3): 12-15 |
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| 作者姓名： | 王振平 付晓泰 卢双舫 曲佳燕 |
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| 作者单位： | ????????????? |
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| 基金项目： | 本文系国家重点基础研究发展规划项目(G1999043307)和国家“九五”攻关项目(96-01-03-0401)成果。 |
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| 摘 要： | 采用模拟实验方法，考察不同温度(250～480℃)、不同压力(0.1～50MPa)下原油裂解成气的演化特征。证明了高压可以降低油裂解的反应速度，抑制原油裂解；高压条件下比低压条件下的油裂解气更接近天然气的组成。讨论了LnC
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| 关 键 词： | 原油裂解 油成气 天然气形成 模拟试验 产物特征 同位素 |
| 修稿时间： | 2001-01-11 |
AN ANALOGUE EXPERIMENT OFGAS GENERATING BY CRUDE OIL CRACKING,CHARACTERS OF PRODUCTS AND ITS SIGNIFICANCE |
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| Wang Zhenping,Fu Xiaotai,Lu Shuangfang,Qu Jiayan. AN ANALOGUE EXPERIMENT OFGAS GENERATING BY CRUDE OIL CRACKING,CHARACTERS OF PRODUCTS AND ITS SIGNIFICANCE[J]. Natural Gas Industry, 2001, 21(3): 12-15 |
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| Authors: | Wang Zhenping Fu Xiaotai Lu Shuangfang Qu Jiayan |
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| Affiliation: | Daqing Petroleum Institute |
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| Abstract: | The evolution characteristics of gas generating by crude oil cracking at different temperatures (250～480 ℃) and pressures (0.1～50 MPa) have been investigated by use of an analogue experimental method.Through experiment it is proved that the crude oil cracking rate may be decreased at higher presssure,in other words,the crude oil cracking can be restrained;and the cracking gas generated at higher pressure is more similar to natural gas constituent than the one generated at lower pressure.The relation between ln C1/C2 and ln C2/C3 is discussed.By means of carbon isotope analysis of the cracking gas,it is indicated that the heavier δ13C value of the cracking gas generated in high evolution stage is indeed related to pyrrobitumen cracking.The relations between δ13C value and lg Ro for components C1～C4 are established and the Ro for various components are limited as follows:Ro＜3 is used for methane and Ro＜1.7 for components C2～C4. |
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| Keywords: | Crude oil Purolysis Change Forming Natural gas Simulation test Pressure Composition Isotope |
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