古地理学报 ›› 2017, Vol. 19 ›› Issue (2): 364-372. doi: 10.7605/gdlxb.2017.02.028

• 新技术与新方法 • 上一篇    下一篇

塔里木盆地塔河油田岩溶峡谷区海西早期洞穴系统发育模式*

李源1, 2, 鲁新便3, 蔡忠贤2, 张恒2, 刘显凤4   

  1. 1 新疆农科院土壤肥料与农业节水研究所,新疆乌鲁木齐 830091。
    3中国石化西北油田分公司勘探开发研究院,新疆乌鲁木齐 830011。
    3中国石化西北油田分公司勘探开发研究院,新疆乌鲁木齐 830011。
    4长江大学地球科学学院,湖北武汉 430100
  • 收稿日期:2016-06-24 修回日期:2016-07-19 出版日期:2017-04-01 发布日期:2017-04-01
  • 通讯作者: 通讯作者简介 蔡忠贤,男,1963年生,教授,现在中国地质大学(武汉),主要从事碳酸盐岩储集层地质学研究。E-mail: zxcai@cug.edu.cn。
  • 作者简介:李源,男,1987年生,博士,2016年毕业于中国地质大学(武汉),现在新疆农业科学院主要从事资源管理研究。E-mail: liyuan586287@126.con。
  • 基金资助:
    *国家重大基础研究发展项目“973”计划(编号: 2012CB214804)资助

Development model of Hercynian cave system in karst canyon area of Tahe Oilfield, Tarim Basin

Li Yuan1, 2, Lu Xinbian3, Cai Zhongxian2, Zhang Heng2, Liu Xianfeng4   

  1. 1 Soil Fertilizer and Agricultural Water Saving Research Institute 。of Xinjiang Academy of Agricultural Sciences, Urümqi 830091,Xinjiang;
    2 Faculty of Earth Resources,China University of Geosciences(Wuhan),Wuhan 430074,Hubei;
    3 Research Institute of Petroleum Exploration & Production, Northwest Company, SINOPEC, Urümqi 830011,Xinjiang;
    4 School of Geoscience, Yangtze University, Wuhan 430100,Hubei;
  • Received:2016-06-24 Revised:2016-07-19 Online:2017-04-01 Published:2017-04-01
  • About author:About the first author Li Yuan,born in 1987,graduated from China University of Geosciences(Wuhan)in 2016 with his Ph.D. degree. Now he is mainly engaged in resource management at Xinjiang Academy of Agricultural Sciences. E-mail: liyuan586287@126.com.About the corresponding author Cai Zhongxian,born in 1963,is a professor in China University of Geosciences(Wuhan).He is mainly engaged in carbonate reservoir geology. E-mail: zxcai@cug.edu.cn.
  • Supported by:
    Financially supported by the National Basic Research Program(973 Program) of China(No.2012CB214804)

摘要: 塔河油田岩溶峡谷区发育大型岩溶洞穴型储集层,勘探效果较好。基于三维地震资料、钻井资料,并结合地震属性提取技术,对地下岩溶洞穴系统、古地貌、古水文系统进行精细刻画,探讨洞穴形成机理,进而总结洞穴发育模式。研究结果表明: (1)峡谷上游段地表水垂向侵蚀作用强烈,峡谷失去了排水功能演变为干谷,下游段水动力条件减弱。(2)峡谷区岩溶洞穴类型划分为暗河洞穴、峡谷—断裂双控型洞穴。暗河洞穴主要发育在峡谷上游段,与峡谷呈“映射”关系。峡谷—断裂双控洞穴发育于峡谷两侧,垂向上具有多层性特征。(3)综上探讨峡谷区岩溶洞穴形成机理,认为较充足的水源补给条件以及水流强烈的垂向侵蚀溶蚀作用控制了暗河洞穴发育,多期次排泄基面下降以及断裂系统共同控制峡谷—断裂双控洞穴的发育。结合现代恩施地区洞穴系统特征,提出了峡谷地区洞穴发育模式,为下一步洞穴储集层预测和勘探实践提供理论借鉴。

关键词: 古岩溶地貌, 古水系, 洞穴系统, 峡谷, 岩溶模式, 海西期, 塔河油田, 塔里木盆地

Abstract: Giant karst cave reservoir develop in the karst canyon area of Tahe Oilfield,with good explotation result. Through high resolution 3D seismic data,data of drilling and the seismic attributes extracting the karst cave system,palaeo-gemorphology and palaeo-drainage system were rebuilt. The karst development mechanism was discussed and the model of the karst cave were summarized as following: (1)Surface water has strong vertical erosion in upper reaches of the canyon,the canyon lost the drainage function and evolution into dry valley,hydrodynamic conditions in lower reaches of canyon is weaken. (2)Cave types divided into underground water caves,canyon-fault caves,underground water caves development in the upstream of canyon, underground caves and canyon are mapping relationship,canyon-fault caves development on both sides of the canyon,with multilayer characteristics in vertical. (3)With a comprehensive analysis of the karst cave genesis mechanism in the canyon area,we thought that the underground water cave development in an adequate water supply condition and strong vertical erosion of water,canyon-fault caves development in a multiple-stage drop of base level and fault systems. Combined with the characteristics of modern Enshi cave systems. evolutionary model of the karst cave in canyon are proposed,which provides a theoretical reference for further cave reservoir prediction and exploration practice.

Key words: palaeo-karst geomorphology, palaeo-drainage system, cave system, canyon, karst model, Hercynian, Tahe Oilfield , Tarim Basin

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