YB地区雷口坡组古风化壳岩溶储层预测方法
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摘要
YB地区雷口坡组发育大型的岩溶气藏,其储层发育与中三叠统古风化壳岩溶地貌密切相关。这里结合勘探实践,从古地貌分析入手,研究储层发育的有利区,通过大量的钻井资料对研究区储层的物性特征、储集空间特征、测井响应特征,以及地震响应特征综合分析,明确了储层发育的控制因素。在此基础上开展了这种古风化壳岩溶储层的综合预测方法探索,识别出储层发育区。
The YB area Leikoupo formation developed the large-scale karst reservoir,the reservoir development is closely related to the ancient weathering crust karst topography in the Middle triassic.Combining the exploration practice,studying the favorable area of reservoir from the paleogeomorphology analysis,Through a large number of drilling data,comprehensively analyzing the physical properties,reservoir space characteristics,logging response characteristics and seismic response characteristics,the controlling factors of reservoir development is defined.The comprehensive prediction method exploration of the weathering crust karst reservoir is carried out based on the above analysis,and the development of reservoir is identified.
The YB area Leikoupo formation developed the large-scale karst reservoir,the reservoir development is closely related to the ancient weathering crust karst topography in the Middle triassic.Combining the exploration practice,studying the favorable area of reservoir from the paleogeomorphology analysis,Through a large number of drilling data,comprehensively analyzing the physical properties,reservoir space characteristics,logging response characteristics and seismic response characteristics,the controlling factors of reservoir development is defined.The comprehensive prediction method exploration of the weathering crust karst reservoir is carried out based on the above analysis,and the development of reservoir is identified.
引文
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[2]顾忆.塔里木盆地北部塔河油田油气藏成藏机制[J].石油实验地质,2002,22(4):307.
[3]周玉琦,黎玉战,侯鸿斌.塔里木盆地塔河油田的勘探实践与认识[J].石油实验地质,2001,23(4):363.
[4]罗平,张静,刘伟,等.中国海相碳酸盐岩油气储层基本特征[J].地学前缘,2008,15(1):36.
[5]四川省地质矿产局.四川省区域地质志[M].北京:地质出版社,1991.
[6]马永生,陈洪德,王国立,等.中国南方层序地层与古地理[M].北京:科学出版社,2009.
[7]钟怡江,陈洪德,林良彪,等.川东北地区中三叠统雷口坡组四段古岩溶作用与储层分布[J].岩石学报,2011,27(8):2272.
[8]马治鸾,陈洪德,钟怡江,等.四川盆地东北部YB地区中三叠统雷口坡组四段古岩溶特征及其油气地质意义[J].地质通报,2012,31(4):577.
[9]吴孔友,洪梅,刘伟.徐黑-埕北断阶区古岩溶测井相与演化模式[J].西南石油学院学报,2000,22(3):21.
[10]仝燕,傅恒,葛海波,等.YB地区雷口坡组顶部古岩溶测井相与储层特征分析[J].物探化探计算技术,2011,33(6):616.
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