徐中断裂特征及其对沉积的控制作用
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摘要
松辽盆地徐家围子断陷断裂发育,徐中断裂是其东西分带的主控断层,对沉积储层分布及天然气聚集有重要影响。利用三维地震资料表征徐中断裂垂向及平面特征。不同时期徐中断层生长指数图和断裂落差图分析,得出徐中断裂为走滑断层。不同时期断裂活动强度、性质,结合古构造及分频技术刻画的扇体展布特征说明了徐中断裂控制了其两侧沉积的分布并解析了典型位置沉积演化过程。
Faults are development in Xujiaweizi Depression,Songliao basin.Xuzhong fracture is the main controlling fault,has important implications on sedimentary reservoir distribution and gas accumulation.Vertical and planar characterization of Xuzhong fracture can be characterized by three-dimensional seismic data.Xuzhong fracture is strike-slip faults can be obtained from different periods fault growth index chart and fracture throw figure of Xuzhong fracture.Different period fault activity intensity,properties,combined with the palaeotectonic and frequency decomposing characterized delta fan.It shows that Xuzhong fracture control the distribution of its sides deposition and resolved typical position sedimentary evolution process.
Faults are development in Xujiaweizi Depression,Songliao basin.Xuzhong fracture is the main controlling fault,has important implications on sedimentary reservoir distribution and gas accumulation.Vertical and planar characterization of Xuzhong fracture can be characterized by three-dimensional seismic data.Xuzhong fracture is strike-slip faults can be obtained from different periods fault growth index chart and fracture throw figure of Xuzhong fracture.Different period fault activity intensity,properties,combined with the palaeotectonic and frequency decomposing characterized delta fan.It shows that Xuzhong fracture control the distribution of its sides deposition and resolved typical position sedimentary evolution process.
引文
1梁正中,蔡周荣,万志峰,等.徐深地区徐西深大断裂特征与火山岩天然气成藏条件.天然气地球科学,2009;20(3):372—377
2冯子辉,印长海,齐景顺,等.大型火山岩气田成藏控制因素研究-以松辽盆地庆深气体为例.岩石学报,2010;26(1):21—32
4胡明,付广,吕延防,等.松辽盆地徐家围子断陷断裂活动时期及其与深层气成藏关系分析.地质评论,2010;56(5):710—717
5付晓飞,沙威,于丹,等.松辽盆地徐家围子断陷火山岩内断层侧向封闭性及天然气成藏.地质评论,2010;56(1):60—69
6于丹,付晓飞,吕延防,等.徐家围子断陷深层天然气盖层特征及封盖性评价.吉林大学学报,2009;39(5):713—779
7蔡周荣,夏斌,郭峰,等.松辽盆地北部徐家围子断陷营城组火山岩受控机制分析.石油学报,2010;31(6):941—944
8张元高,陈树明,张尔华,等.徐家围子断陷构造地质特征研究新进展.岩石学报,2010;26(1):142—148
2冯子辉,印长海,齐景顺,等.大型火山岩气田成藏控制因素研究-以松辽盆地庆深气体为例.岩石学报,2010;26(1):21—32
4胡明,付广,吕延防,等.松辽盆地徐家围子断陷断裂活动时期及其与深层气成藏关系分析.地质评论,2010;56(5):710—717
5付晓飞,沙威,于丹,等.松辽盆地徐家围子断陷火山岩内断层侧向封闭性及天然气成藏.地质评论,2010;56(1):60—69
6于丹,付晓飞,吕延防,等.徐家围子断陷深层天然气盖层特征及封盖性评价.吉林大学学报,2009;39(5):713—779
7蔡周荣,夏斌,郭峰,等.松辽盆地北部徐家围子断陷营城组火山岩受控机制分析.石油学报,2010;31(6):941—944
8张元高,陈树明,张尔华,等.徐家围子断陷构造地质特征研究新进展.岩石学报,2010;26(1):142—148
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