PVT分馏实验中链状烷烃分子的行为

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PVT分馏实验中链状烷烃分子的行为

苏爱国, 张水昌, 韩德馨, 王延斌

文章导航 > 沉积学报 > 2004 > 22(2): 354-358

苏爱国, 张水昌, 韩德馨, 王延斌. PVT分馏实验中链状烷烃分子的行为[J]. 沉积学报, 2004, 22(2): 354-358.

引用本文:

苏爱国, 张水昌, 韩德馨, 王延斌. PVT分馏实验中链状烷烃分子的行为[J]. 沉积学报, 2004, 22(2): 354-358.

SU Ai-guo, ZHANG Shui-chang, HAN De-xing, WANG Yan-bing. Behavior of Chain Alkane Molecular Components in PVT Fractionation Experiment[J]. Acta Sedimentologica Sinica, 2004, 22(2): 354-358.

Citation:

SU Ai-guo, ZHANG Shui-chang, HAN De-xing, WANG Yan-bing. Behavior of Chain Alkane Molecular Components in PVT Fractionation Experiment[J]. Acta Sedimentologica Sinica, 2004, 22(2): 354-358.

苏爱国, 张水昌, 韩德馨, 王延斌. PVT分馏实验中链状烷烃分子的行为[J]. 沉积学报, 2004, 22(2): 354-358.

引用本文:

苏爱国, 张水昌, 韩德馨, 王延斌. PVT分馏实验中链状烷烃分子的行为[J]. 沉积学报, 2004, 22(2): 354-358.

SU Ai-guo, ZHANG Shui-chang, HAN De-xing, WANG Yan-bing. Behavior of Chain Alkane Molecular Components in PVT Fractionation Experiment[J]. Acta Sedimentologica Sinica, 2004, 22(2): 354-358.

Citation:

SU Ai-guo, ZHANG Shui-chang, HAN De-xing, WANG Yan-bing. Behavior of Chain Alkane Molecular Components in PVT Fractionation Experiment[J]. Acta Sedimentologica Sinica, 2004, 22(2): 354-358.

PVT分馏实验中链状烷烃分子的行为

1.
中国矿业大学北京 100083;
2.
中国石油勘探开发研究院北京 100083

基金项目: 国家自然科学基金项目(批准号:49771376)资助

作者简介:
苏爱国,男 1964年出生,在职博士生,高级工程师,石油地质地球化学

中图分类号: P593

计量

文章访问数: 462
HTML全文浏览量: 7
PDF下载量: 648
被引次数: 0

Behavior of Chain Alkane Molecular Components in PVT Fractionation Experiment

1.
China University of Mining and Technology, Beijing 100083;
2.
Research Institute of Petroleum Exploration and Development, CNPC Beijing 100083

摘要: 通过PVT分馏实验模拟油藏形成过程中的温压和气洗分馏作用,测量不同实验不同分馏阶段产物的烷烃分子组成,其结果表明:①大量的非热成因凝析油应主要与气洗作用有关;②降压和气洗分馏作用的相似性主要表现为原生油中Pr/Ph、(Pr+Ph)/(nC₁₉+nC₂₀)和nC₁₀/(nC16+nC₂₅)等比值的降低;③降压和气洗分馏作用差异性表现为凝析油链烷烃参数上相反的变化规律;④温压和气洗作用可以引起某些成因或类型参数(如Pr/Ph)的明显变化。这一认识将有助于油气成藏过程的确定和常规地化指标的科学应用。
- PVT实验 /
- 降压 /
- 气洗 /
- 蒸发分馏 /
- 原油地球化学 /
- 成藏条件
Abstract: An understanding of the ratio variation of chain alkane molecular components of oils in petroleum reservoir is important for successful study on reservoir formation and petroleum geochemistry. Pressure-falling and gas-washing fractionations, which are two main process of reservoir formation , are simulated by PVT experiments. Measuring the molecular composition of chain alkane of the products formed in the different experiment stages, the analytical results show that: ①A great deal of condensates, which is not from thermal generation, most come from gas-washing fractionations; ② Pressure-drop and gas-washing fractionations are of similar variation in some alkane ratios of the oil, such as the decrease of ratios of Pr/Ph,(Pr+Ph)/(nC₁₉+nC 20) and nC ₁₀/(nC₁₆+nC₂₅); ③The difference between pressure-falling and gas-washing fractionations shows that some alkane parameters of the condensates from the two different processes change in diverse direction; ④Some routine geochemical parameters can be also affected by pressure-falling and gas-washing fractionations.
- PVT experiment /
- pressure-falling /
- gas-washing /
- evaporation fractionation /
- petroleum geochemistry /
- reservoir formation

参考文献(13)

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[3]	England W A, Mackenzie A S. Some aspects of the organic geochemistry of petroleum fluid. Geologische Rundschau, 1989, 78(1): 274～288
[4]	Thompson K F M, Kennicutt M C. Nature and frequency of occurrence of non-thermal alteration processes in Offshore Gulf of Mexico petroleums, 9TH Annu. SEPM Gulf Coast SECT Res. Conf. (Dec. 1988) PROC (Gulf Coast Oils & Gases), 1990. 199～218
[5]	Thompson K F M. Fractionated aromatic petroleums and the generation of gas-condensation. Organic Geochemistry, 1987, 11: 573～590
[6]	Thompson K F M. Gas-condensate migration and oil fractionation in deltaic systems. Marine & Petroleum Geology, 1988, 5: 237～246
[7]	Larter S, Mills N. Phase-controlled molecular fractionations in migrating petroleum charges. England W A & Fleet A J. Petroleum Migration. London: Geological Society, Special Publication, 1991, 59: 137～147.
[8]	Dzou L I P, Hughes W B. Geochemistry of oils and condensates, K field, offshore Taiwan: a case study in migration fractionation. Organic Geochemistry, 1993, 20(4): 437～462
[9]	Carpentier B, Ungerer P, Kowalewski I, et al. Molecular and isotopic fractionation of light hydrocarbons between oil and gas phases. Organic Geochemistry, 1996, 24(12): 1115～1139
[10]	Curiale J A, Bromley B W. Migration induced compositional changes in oils and condensates of a single field. Organic Geochemistry, 1996, 24(12): 1097～1113
[11]	苏爱国,张水昌,向龙斌,等. 相控和气洗分馏作用对油气组分及碳同位素组成的影响. 地球化学,2000,29(6): 549～555[Su Aiguo, Zhang Shuichang, Xiang Longbin, et al. Effect of phase-controlled and gas-wash fractionation on variation of component and carbon isotope composition of oil and gas. Geochimica, 2000, 29(6): 549～555]
[12]	苏爱国,朱扬明,梁狄刚,等. 青海柴达木盆地南八仙油气田油源与成藏机理. 地球化学,2003,32(4):393～399[Su Aiguo, Zhu Yangming, Liang Digang, et al. Source of oils and mechanism of reservoir-formation of the Nanbaxian oil and gas field, Qaidam Basin, Qinghai Province, China. Geochimica, 2003, 32(4): 393～399]
[13]	张水昌. 运移分馏作用:凝析油和蜡质油形成的一种重要机制. 科学通报,2000,45(16):667～670[Zhang Shuichang. The migration fractionation: an important mechanism in the formation of condensate and waxy oil. Chinese Science Bulletin, 2000, 45(14): 1341～1344]

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计量

文章访问数: 462
HTML全文浏览量: 7
PDF下载量: 648
被引次数: 0

PVT分馏实验中链状烷烃分子的行为

1. 中国矿业大学北京 100083;

2. 中国石油勘探开发研究院北京 100083

基金项目: 国家自然科学基金项目(批准号:49771376)资助

作者简介:
苏爱国,男 1964年出生,在职博士生,高级工程师,石油地质地球化学

收稿日期: 2003-05-20
修回日期: 2004-02-10
刊出日期: 2004-06-10

中图分类号: P593

关键词:

原油地球化学 /

摘要: 通过PVT分馏实验模拟油藏形成过程中的温压和气洗分馏作用,测量不同实验不同分馏阶段产物的烷烃分子组成,其结果表明:①大量的非热成因凝析油应主要与气洗作用有关;②降压和气洗分馏作用的相似性主要表现为原生油中Pr/Ph、(Pr+Ph)/(nC₁₉+nC₂₀)和nC₁₀/(nC16+nC₂₅)等比值的降低;③降压和气洗分馏作用差异性表现为凝析油链烷烃参数上相反的变化规律;④温压和气洗作用可以引起某些成因或类型参数(如Pr/Ph)的明显变化。这一认识将有助于油气成藏过程的确定和常规地化指标的科学应用。

English Abstract

苏爱国, 张水昌, 韩德馨, 王延斌. PVT分馏实验中链状烷烃分子的行为[J]. 沉积学报, 2004, 22(2): 354-358.

引用本文:

苏爱国, 张水昌, 韩德馨, 王延斌. PVT分馏实验中链状烷烃分子的行为[J]. 沉积学报, 2004, 22(2): 354-358.

SU Ai-guo, ZHANG Shui-chang, HAN De-xing, WANG Yan-bing. Behavior of Chain Alkane Molecular Components in PVT Fractionation Experiment[J]. Acta Sedimentologica Sinica, 2004, 22(2): 354-358.

Citation:

SU Ai-guo, ZHANG Shui-chang, HAN De-xing, WANG Yan-bing. Behavior of Chain Alkane Molecular Components in PVT Fractionation Experiment[J]. Acta Sedimentologica Sinica, 2004, 22(2): 354-358.

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