Palaeo-water and gas boundary in the Upper Paleozoic gas reservoir of Ordos Basin reconstructed using vitrinite reflectance kinetics and the homogenization temperature of fluid inclusion

doi:10.7623/syxb200303010

Editorial office of ACTA PETROLEI SINICA ›› 2003, Vol. 24 ›› Issue (3): 46-51.DOI: 10.7623/syxb200303010

• Petroleum Exploration • Previous Articles Next Articles

Palaeo-water and gas boundary in the Upper Paleozoic gas reservoir of Ordos Basin reconstructed using vitrinite reflectance kinetics and the homogenization temperature of fluid inclusion

FU Shao-ying^1,2, PENG Ping'-an¹, ZHANG Wen-zheng³, LIU De-han¹, LIU Jin-zhong¹

1. State Key Laboratory of Organic Geochemistry, Guangzhou Institute of Geochemistry, Chinese Academy of Sciences, Guangzhou 510640, China;
2. Guangzhou Marine Geological Survey, Ministry of Land and Resources, Guangzhou 510760, China;
3. Analysis Center, Research Institute of Exploration and Development, Changqing Petroleum Corp., Xi'an 710021, China

Received:2002-04-12 Revised:2002-08-12 Online:2003-05-25 Published:2010-05-21

用镜质体反射率和包裹体研究鄂尔多斯盆地气藏中气水界面的迁移

付少英^1,2, 彭平安¹, 张文正³, 刘德汉¹, 刘金钟¹

1. 中国科学院广州地球化学研究所, 广东广州, 510640;
2. 国土资源部广州海洋地质调查局海洋矿产地质调查所, 广东广州, 510760;
3. 长庆油田公司勘探开发研究院实验中心, 陕西西安, 710021

作者简介:付少英,男,1973年3月生,2002年获中国科学院广州地球化学研究所博士学位,主要从事天然气有机地球化学研究.
基金资助:
中国科学院知识创新试点工程项目(KZCX2?11)资助.

Abstract

Abstract: The vitrinite reflectance revolution of the Upper Paleozoic of Ordos Basin was restored with kinetics experiment,and the maximum palaeo-temperature from vitrinite reflectance was compared with the homogenization temperature of fluid inclusion.The results show that the maximum palaeo-temperature from vitrinite reflectance is higher than the homogenization temperature of fluid inclusion in the middle and the east of Ordos Basin,and the two is similar in the north of the basin.These results suggest that the hydro-gas boundary had migrated out of the strata in the middle and the east of the basin before the period of the maximum temperature and the Upper Paleozoic gas pool were formed.Meanwhile the hydro-gas boundary had not transferred out of the strata and the formed gas could not driven the water out in the north of the basin.

Key words: vitrinite reflectance, fluid inclusion, homogenization temperature, gas pool, gas-water boundary, migration, Ordos basin

摘要： 利用动力学实验,恢复了鄂尔多斯盆地上古生界煤系镜质体反射率Ro热演化史,并将其与相邻层位砂岩中包裹体的均一温度进行了对比.结果显示,Ro所反映的最大古地温高于地层中包裹体的均一温度.即在地层达到最大古地温之前,地层中的水—岩相互作用已经停止,即气、水界面已经迁移,天然气已经成藏.由此可知,鄂尔多斯盆地上古生界煤成气在早白垩纪末达到最大生烃量以前已经完成了气、液的完全置换,煤成气的气源条件充足.

关键词: 镜质体反射率, 包裹体, 均一温度, 气藏, 气水界面, 迁移, 鄂尔多斯盆地

CLC Number:

TE112

FU Shao-ying, PENG Ping'-an, ZHANG Wen-zheng, LIU De-han, LIU Jin-zhong. Palaeo-water and gas boundary in the Upper Paleozoic gas reservoir of Ordos Basin reconstructed using vitrinite reflectance kinetics and the homogenization temperature of fluid inclusion[J]. Editorial office of ACTA PETROLEI SINICA, 2003, 24(3): 46-51.

付少英, 彭平安, 张文正, 刘德汉, 刘金钟. 用镜质体反射率和包裹体研究鄂尔多斯盆地气藏中气水界面的迁移[J]. 石油学报, 2003, 24(3): 46-51.

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Palaeo-water and gas boundary in the Upper Paleozoic gas reservoir of Ordos Basin reconstructed using vitrinite reflectance kinetics and the homogenization temperature of fluid inclusion

用镜质体反射率和包裹体研究鄂尔多斯盆地气藏中气水界面的迁移

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