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| 莺-琼盆地高温超压对有机质热演化的影响 | |
| 引用本文： | 易平,黄保家,黄义文,王飞宇. 莺-琼盆地高温超压对有机质热演化的影响[J]. 石油勘探与开发, 2004, 31(1): 32-35 |
| 作者姓名： | 易平 黄保家 黄义文 王飞宇 |
| 作者单位： | 1. 中国地质大学(武汉);中国海洋石油有限公司湛江分公司 2. 中国海洋石油有限公司湛江分公司 3. 石油大学(北京) |
| 基金项目： | 国家"九五"天然气重点攻关项目(96 110 07 01,96 110 05 01) |
| 摘 要： | 剖析影响莺-琼盆地10口高温高压井的实测镜质体反射率数据的因素,结合热模拟实验结果,探讨高温、超压对第三系腐植型有机质热演化与生烃的影响。认为：高地热场为腐植型有机质向天然气转化提供了有利的条件,特别是莺歌海盆地泥底辟带存在短暂的深源热流体上侵,可能使浅层沉积中的有机质转化成低成熟原油;超高压对有机质热演化的抑制作用是次要的,即便有少许抑制作用,也往往被高温效应掩盖。图4表1参17 |
| 关 键 词： | 高温 超高压 有机质热演化 成烃作用 莺-琼盆地 |
| 文章编号： | 1000-0747(2004)01-0032-04 |
Influences of high temperature and overpressure on the thermal evolution of organic matter in the Ying-Qiong Basins, South China Sea |
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| YI Ping,HUANG Baoji,HUANG Yiwen and WANG Feiyu. Influences of high temperature and overpressure on the thermal evolution of organic matter in the Ying-Qiong Basins, South China Sea[J]. Petroleum Exploration and Development, 2004, 31(1): 32-35 | |
| Authors: | YI Ping HUANG Baoji HUANG Yiwen WANG Feiyu |
| Abstract: | On the basis of vitrinite reflectance data in 10 wells in the high temperature and overpressured strata, the Ying-Qiong Basins as well as an artificial pyrolysis experiment, the influence of high temperature and overpressure on the thermal evolution of organic matter for hydrocarbon generation has been investigated. The results suggest that high temperature has an important effect on the thermal evolution and hydrocarbon generation of organic matter and especially in areas where the source rocks were intensely influenced by deeply sourced hot fluids, and the rapid heating rate resulted in an advanced evolution of organic matter deposited in a shallower burial depth |
| Keywords: | high temperature overpressure system thermal evolution of organic matter hydrocarbon generation Ying-Qiong Basins |
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