塔里木盆地玉北地区断裂特征及控制作用
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摘要
塔里木盆地玉北地区经历过多期构造运动,构造复杂,断裂带发育。结合新三维地震和区域地质资料进行综合分析,结果表明,该地区断裂系统样式多,具有多期形成及继承叠加改造和平面展布分区分段的特征。中寒武统地层之下断裂样式多为基底卷入型,之上多为沿中寒武统膏盐层的盖层滑脱型,主要形成于加里东和海西期,喜山期活动较弱;自东向西断裂活动、期次有差异,东部断褶区加里东中晚期活动强、幅度大,西部海西晚期活动强,且在玉北7、玉北1及玉东3断裂带形成2期断裂叠加区;断裂带是油气运聚的最有利方向,控制储层发育及油气聚集。该研究对指导玉北地区油气勘探具有重大意义。
Yubei Area of Tarim Basin experienced multiple tectonic movements.Structure is complex and fracture zones develop.Combined with the new 3D seismic data and regional geology data,the analysis results show that the fracture system has the characteristics of diverse patterns,multiple epochs,inheritance superposition reconstruction,plane distribution and segmentation along strike.The fracture is basement-involved pattern below the Middle Cambrian formation and above Middle Cambrian formation,the fracture is cover-slipped pattern along Middle Cambrian salt layer,which mainly form in Caledonian and Hercynian.Activity in Hercynian is weak,and fracture activity and period are different from east to west.Activity is strong and amplitude is large during Middle-Late Caledonian in the eastern fault and fold zone.But activity is strong during Late Hercynian in the western region.The two period fractures are overlapped in Yubei 7,Yubei 1 and Yudong 3 fault zones.Fracture zones control reservoir development,which is the most favorable direction of hydrocarbon migration and accumulation.This study has great significance for guiding the hydrocarbon exploration in this area.
Yubei Area of Tarim Basin experienced multiple tectonic movements.Structure is complex and fracture zones develop.Combined with the new 3D seismic data and regional geology data,the analysis results show that the fracture system has the characteristics of diverse patterns,multiple epochs,inheritance superposition reconstruction,plane distribution and segmentation along strike.The fracture is basement-involved pattern below the Middle Cambrian formation and above Middle Cambrian formation,the fracture is cover-slipped pattern along Middle Cambrian salt layer,which mainly form in Caledonian and Hercynian.Activity in Hercynian is weak,and fracture activity and period are different from east to west.Activity is strong and amplitude is large during Middle-Late Caledonian in the eastern fault and fold zone.But activity is strong during Late Hercynian in the western region.The two period fractures are overlapped in Yubei 7,Yubei 1 and Yudong 3 fault zones.Fracture zones control reservoir development,which is the most favorable direction of hydrocarbon migration and accumulation.This study has great significance for guiding the hydrocarbon exploration in this area.
引文
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[3]杨明慧,金之钧,吕修祥,等.塔里木盆地基底卷入扭压构造与巴楚隆起的形成[J].地质学报,2007,81(2):158-163.
[4]罗小龙,汤良杰,谢大庆,等.塔里木盆地雅克拉断凸中生界底界不整合及其油气勘探意义[J].石油与天然气地质,2012,33(1):30-36.
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[11]张仲培,刘士林,杨子玉,等.塔里木盆地麦盖提斜坡构造演化及油气地质意义[J].石油与天然气地质,2011,32(6):909-919.
[12]邬光辉.塔里木盆地塔中隆起断裂系统特征及其对海相碳酸盐岩油气的控制作用[J].岩石学报,2012,28(3):793-803.
[13]赵欣,陈强路,孙渊,等.塔里木盆地东北部中上奥陶统致密砂岩储集性能与成因[J].石油实验地质,2012,34(5):466-473.
[14]翟晓先,云露.塔里木盆地塔河大型油田地质特征及勘探思路回顾[J].石油与天然气地质,2008,29(5):565-573.
[15]曹自成,杜永明,岳勇.巴楚隆起色力布亚断裂活动及其控油作用[J].断块油气田,2009,16(3):5-7.
[16]吕海涛,张仲培,邵治兵,等.塔里木盆地巴楚-麦盖提地区早古生代古隆起的演化及其勘探意义[J].石油与天然气地质,2010,31(1):76-90.
[17]李坤,沈忠民,肖宗林.卡塔克古隆起油气运移输导体系演化特征[J].断块油气田,2011,18(3):317-320.
[18]李秀鹏,于洁,许晶.准噶尔盆地乌夏断裂带输导体系对油气运聚的控制[J].断块油气田,2012,19(5):559-563.
[19]王祥,吕修祥,刘国勇,等.塔河油田碳酸盐岩油气输导体系与勘探方向[J].石油实验地质,2012,34(1):14-18.
[2]吴礼明,丁文龙,赵松,等.塔里木盆地巴楚—麦盖提地区古构造研究[J].断块油气田,2012,19(1):6-11.
[3]杨明慧,金之钧,吕修祥,等.塔里木盆地基底卷入扭压构造与巴楚隆起的形成[J].地质学报,2007,81(2):158-163.
[4]罗小龙,汤良杰,谢大庆,等.塔里木盆地雅克拉断凸中生界底界不整合及其油气勘探意义[J].石油与天然气地质,2012,33(1):30-36.
[5]丁道桂,王道轩,刘伟新,等.西昆仑造山带与盆地[M].北京:地质出版社,1996:1-74.
[6]胡德胜,佟殿君,阳怀忠.走滑构造研究进展[J].断块油气田,2009,16(5):27-30.
[7]康玉柱.中国古生代海相大油气田形成条件及勘探方向[J].新疆石油地质,2007,28(3):263-265.
[8]吕修祥,李建交,汪伟光.海相碳酸盐岩储层对断裂活动的响应[J].地质科技情报,2009,28(3):1-5.
[9]贾承造.中国塔里木盆地构造特征与油气[M].北京:石油工业出版社,1997:1-438.
[10]张仲培,王毅,云金表,等.塔中地区断裂不同演化阶段对油气聚集的控制[J].石油与天然气地质,2009,30(3):316-323.
[11]张仲培,刘士林,杨子玉,等.塔里木盆地麦盖提斜坡构造演化及油气地质意义[J].石油与天然气地质,2011,32(6):909-919.
[12]邬光辉.塔里木盆地塔中隆起断裂系统特征及其对海相碳酸盐岩油气的控制作用[J].岩石学报,2012,28(3):793-803.
[13]赵欣,陈强路,孙渊,等.塔里木盆地东北部中上奥陶统致密砂岩储集性能与成因[J].石油实验地质,2012,34(5):466-473.
[14]翟晓先,云露.塔里木盆地塔河大型油田地质特征及勘探思路回顾[J].石油与天然气地质,2008,29(5):565-573.
[15]曹自成,杜永明,岳勇.巴楚隆起色力布亚断裂活动及其控油作用[J].断块油气田,2009,16(3):5-7.
[16]吕海涛,张仲培,邵治兵,等.塔里木盆地巴楚-麦盖提地区早古生代古隆起的演化及其勘探意义[J].石油与天然气地质,2010,31(1):76-90.
[17]李坤,沈忠民,肖宗林.卡塔克古隆起油气运移输导体系演化特征[J].断块油气田,2011,18(3):317-320.
[18]李秀鹏,于洁,许晶.准噶尔盆地乌夏断裂带输导体系对油气运聚的控制[J].断块油气田,2012,19(5):559-563.
[19]王祥,吕修祥,刘国勇,等.塔河油田碳酸盐岩油气输导体系与勘探方向[J].石油实验地质,2012,34(1):14-18.
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