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地质力学学报:2009,15(3):281-288
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鄂尔多斯盆地东南缘延长组砂岩储集层裂缝特征研究
(1.成都理工大学地球科学学院,四川 成都 610059;2.成都理工大学油气藏地质及开发工程国家重点实验室,四川 成都 610059;3.长庆油田公司勘探开发研究院,陕西 西安 710021;4.中国石油集团长城钻探工程有限公司录井公司,辽宁 盘锦 124010)
CHARACTERISTICS OF FRACTURES IN THE SANDSTONE RESERVOIRS OF YANCHANG FORMATION IN SOUTHEASTERN ORDOS BASIN
(1.College of Earth Sciences,Chengdu University of Technology,Chengdu 610059,China;2.State Key Laboratory of Oil and Gas Reservoir Geology and Exploitation,Chengdu University of Technology,Chengdu 610059, China;3.Exploration and Development Research Institute,Changqing Oilfield Company,Xi'an 710021,China;4.GWDC Mud Logging Company,Panjin 124010,China)
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投稿时间:2008-12-16    
中文摘要: 宜川-旬邑地区位于鄂尔多斯盆地东南缘渭北隆起带上,岩性观察、成像测井资料、薄片资料研究表明,该区发育近EW向高角度区域性裂缝;裂缝充填物中流体包裹体均一温度及沉积—构造埋藏史的分析表明,该区主要裂缝形成于侏罗纪末期—早白垩世之前,是构造挤压和深埋藏作用引起的联合应力作用下的产物。经尝试性研究,基于声波时差和自然伽马资料的R/S裂缝识别方法对该地区裂缝识别具有较好的适用性,可以用来进行该区的储集层裂缝识别研究,并且指出了正15井、旺9井区等不同程度发育裂缝系统,对指导该区油气勘探研究具有重要作用。
中文关键词: 裂缝  R/S分析  延长组  鄂尔多斯盆地
Abstract:The Yichuan-Xunyi area lies on southeast margin of the Ordos Basin.Bore core and slice observation and accounting,along with image logging data analysis,reveal main E-W orthogonal fractures in the studied area.The study of homogenization temperature of fluid inclusions in fractures,sedimentary history,and structural evolution in the studied area indicates that the fractures of the Yanchang Formation was mainly formed at terminal Jurassic- Early Cretaceous.R/S fracture analysis,a useful method for prediction of fracture distribution,has been utilized to identify fractures distribution areas.
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田亚铭,施泽进,宋江海,等,2009.鄂尔多斯盆地东南缘延长组砂岩储集层裂缝特征研究[J].地质力学学报,15(3):281-288.DOI:
TIAN Ya-ming,SHI Ze-jin,SONG Jiang-hai,et al,2009.CHARACTERISTICS OF FRACTURES IN THE SANDSTONE RESERVOIRS OF YANCHANG FORMATION IN SOUTHEASTERN ORDOS BASIN[J].Journal of Geomechanics,15(3):281-288.DOI:

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