| 辽河盆地东部凹陷古地温演化研究 |
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| 引用本文： | 殷秀兰,武红岭,马寅生,王小凤,吴铁生,陈正乐,白嘉启,王庆丰,郑治宇.辽河盆地东部凹陷古地温演化研究[J].地质力学学报,2003,9(2):106-112. |
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| 作者姓名： | 殷秀兰 武红岭 马寅生 王小凤 吴铁生 陈正乐 白嘉启 王庆丰 郑治宇 |
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| 作者单位： | 1. 辽河石油勘探局勘探开发研究院, 辽宁盘锦 124000; |
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| 基金项目： | 中国地质调查局地质调查项目资助(编号:DKD2104011) |
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| 摘 要： | 基于化学动力学原理,采用镜质组反射率模拟计算法,对辽河盆地东部凹陷14口井的古地温演化进行了恢复,重建了各时期平均古地温柱。总结了古地温演化的总体特征,认为研究区古近纪古地温演化特点是Es3高,Es1-2低,Ed-N高,为波状高地温演化。区域上,凹陷内部呈南北高、中央低的趋势,南部黄金带、二界沟及北部牛居地区的地温梯度一般在35℃~40℃/km,而中段相对较低(29℃~35℃/km).
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| 关 键 词： | 辽河盆地 东部凹陷 古地温演化 地温梯度 |
| 文章编号： | 1006-6616(2003)02-0106-07 |
| 收稿时间： | 2003/3/28 0:00:00 |
| 修稿时间： | 2003年3月28日 |
RESEARCH ON THE EVOLUTION OF THE PALEOTEMPERATURE OF THE EASTERN SAG IN LIAOHE BASIN |
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| Yin Xiu-lan,Wu Hong-ling,Ma Yin-sheng,Wang Xiao-feng,Wu Tie-sheng,Chen Zheng-le,Bai Jia-qi,Wang Qing-feng and Zheng Zhi-yu.RESEARCH ON THE EVOLUTION OF THE PALEOTEMPERATURE OF THE EASTERN SAG IN LIAOHE BASIN[J].Journal of Geomechanics,2003,9(2):106-112. |
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| Authors: | Yin Xiu-lan Wu Hong-ling Ma Yin-sheng Wang Xiao-feng Wu Tie-sheng Chen Zheng-le Bai Jia-qi Wang Qing-feng and Zheng Zhi-yu |
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| Institution: | 1. Institute of Geomechanics, Chinese Academy of Geological Sciences, Beijing, 100081, China;2. Academy of Exploration and Research, Liaohe Petroleum Bureau, Panjing, 12400, China |
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| Abstract: | The eastern sag is one of the three rich-hydrocarbon sags in Liaohe basin. Based on the chemical dynamic theory and digital simulation of vitrinite reflectances, the paleotemperatural evolutions of 14 wells in the eastern sag are shown, and then the geothermal gradient of every period during cenozoicera is reconstructed. That reveals the total characteristics of paleotemperatural evolution in the eastern sag. The geothermal evolution is flexuous since Tertiary, that is high paleotemperature in the early Shahejie, low in the middle-late Shahejie and high again in the Dongying stage to Neogene. To total region, the geothermal gradients (35℃~40℃) are higher in the southern and northern part than that (29℃~35℃/km) in the central part. |
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| Keywords: | liaohe basin eastern sag paleotemperature geothermal gradient |
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