氢抑制条件下的有机质热演化动力学模型——以三塘湖盆地芦草沟组为例

doi:10.11743/ogg20170504

石油与天然气地质 ›› 2017, Vol. 38 ›› Issue (5): 862-868.doi: 10.11743/ogg20170504

氢抑制条件下的有机质热演化动力学模型——以三塘湖盆地芦草沟组为例

张磊¹, 孟元林¹, 崔存萧¹, 李新宁², 陶士振³, 吴晨亮⁴, 胡安文¹, 许丞¹

1. 东北石油大学地球科学学院, 黑龙江大庆 163318;
2. 中国石油吐哈油田分公司勘探开发研究院, 新疆哈密 839009;
3. 中国石油勘探开发研究院, 北京 100083;
4. 莱斯大学地球、环境与空间系, 休斯顿, 77005

收稿日期:2016-01-05 修回日期:2017-08-15 出版日期:2017-10-28 发布日期:2017-11-10
通讯作者: 孟元林(1960-),男,教授、博士生导师,石油地质。E-mail:qhdmyl@163.com E-mail:qhdmyl@163.com
作者简介:张磊(1990-),男,博士,石油地质。E-mail:zhlangei245@hotmail.com。
基金资助:
国家自然科学基金项目（41572135）；国家科技重大专项（2016ZX05046-001-006）；东北石油大学研究生创新科研项目（YJSCX2017-004NEPU）；黑龙江省科学基金项目（QC2016049）；黑龙江省普通本科高等学校青年创新人才培养计划项目（UNPYSCT-2016122）。

A new kinetic model of organic thermal evolution under the condition of hydrogen suppression:A case study from the Lucaogou Formation in the Santanghu Basin

Zhang Lei¹, Meng Yuanlin¹, Cui Cunxiao¹, Li Xinning², Tao Shizhen³, Wu Chenliang⁴, Hu Anwen¹, Xu Cheng¹

1. College of Earth Science, Northeast Petroleum University, Daqing, Heilongjiang 163318, China;
2. Research Institute of Petroleum Exploration & Development, Tuha Oilfield Branch, Petrochina, Hami, Xinjiang 839009, China;
3. Research Institute of Petroleum Exploration & Development, Petrochina, Beijing 100083, China;
4. Department of Earth Science, Rice University, Houston 77005, USA

Received:2016-01-05 Revised:2017-08-15 Online:2017-10-28 Published:2017-11-10

摘要/Abstract

摘要： 三塘湖盆地马朗凹陷芦草沟组烃源岩含有较多的富氢组分，有机质的热演化受到氢抑制。为了模拟氢抑制背景下的有机质热演化史，在经典的Sweeny和Burham Easy%R_o时-温双控化学动力学模型基础上，本文考虑氢抑制对有机质热演化的影响，根据氢指数调节反应活化能，建立了描述有机质热演化的时-温-氢抑制多控化学动力学模型。研究结果表明，芦草沟组氢抑制对R_o的贡献值为0.2%左右；由于氢抑制的影响，芦草沟组烃源岩进入生烃门限和开始大量生烃的时间均被延迟。文中新建立的化学动力学模型可以应用于各种类型干酪根的有机质热演化史模拟，其精度更高、应用范围更广。

关键词: 氢抑制, 化学动力学, 页岩油, 中二叠统, 三塘湖盆地

Abstract: Organic matters of the source rocks in the Lucaogou Formation of the Malang Sag,Santanghu Basin are rich in hydrogen components,which suppresses the thermal evolution of organic matters.To simulate thermal evolution of organic matters,a new kinetic model of organic thermal evolution under the condition of hydrogen suppression was established integrating time,temperature,and hydrogen retardation based on Sweeny and Burham Easy %R_o time and temperature controlling kinetic model.In the new kinetic model,activity energies are adjusted by hydrogen index.The results show that hydrogen suppression contributes to 0.2% of R_o value in the Lucaogou Formation.Hydrogen suppression also resulted in delays of both initial generation of hydrocarbons and peak generation of hydrocarbons.This new established model is widely applicable to thermal histories for different kerogen types with higher accuracy.

Key words: hydrogen suppression, chemical kinetics, shale oil, Middle Permian, Santanghu Basin

中图分类号:

TE122.1

张磊,孟元林,崔存萧,等. 氢抑制条件下的有机质热演化动力学模型——以三塘湖盆地芦草沟组为例[J]. 石油与天然气地质, 2017, 38(5): 862-868. doi: 10.11743/ogg20170504 Zhang Lei,Meng Yuanlin,Cui Cunxiao,et al. A new kinetic model of organic thermal evolution under the condition of hydrogen suppression:A case study from the Lucaogou Formation in the Santanghu Basin[J]. Oil & Gas Geology, 2017, 38(5): 862-868. doi: 10.11743/ogg20170504

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氢抑制条件下的有机质热演化动力学模型——以三塘湖盆地芦草沟组为例

A new kinetic model of organic thermal evolution under the condition of hydrogen suppression:A case study from the Lucaogou Formation in the Santanghu Basin

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