歧口凹陷重要断裂构造与构造带特征研究.pdf

Advances in Geosciences 地球科学前沿, 2017, 7(1), 8-16 Published Online February 2017 in Hans. /journal/ag /10.12677/ag.2017.71002 The Study of Important Fault Structure and Its Structural Character in Qikou Sag of Dagang Oilfield Xianbao Chen Exploration and Development Research Institute of Dagang Oilfield, Tianjin rd th nd Received: Jan. 23 , 2017; accepted: Feb. 19 , 2017; published: Feb. 22 , 2017 Abstract Using the latest datum, the studying conclusion of Qikou sag of Dagang oilfield’s important faulting belts such as the Cangdong faulting belt, the Haihe-Xingang faulting belt, the Binhai faulted nose and the Cengbei fault terrace belt and their structural character are as follows: the Cangdong faulting belt has obvious segmentation; different zones’ occurrence and displacement character have obvious differences; the Haihe-Xingang faulting belt is a indo-china period in the mesozoic beginning thrust faulting, formed by structural inversion in Cenozoic; the Binhai faulted nose is attached to the the Binhai fault, constituted by Binhai small step and the Gangdong fault down- thrown side big structural nose, has large-scale integrated structure; the Cengbei fault terrace belt is north-trend positive faulting. Fault structure falls toward north one by one. Faulting structure cuts up the layer and shapes south high-north low steps fault terrace belt. Keywords Qikou Sag, Thrust Faulting, Structural Inversion, Fault Terrace Belt 歧口凹陷重要断裂构造和构造带特征研究 陈宪保 大港油田勘探开发研究院，天津 收稿日期：2017年1月23 日；录用日期：2017年2月19 日；发布日期：2017年2月22 日 摘 要 本文应用最近资料对岐口凹陷重要断裂带沧东断裂带、海河新港断裂带、滨海断鼻和埕北断阶带及其构 文章引用: 陈宪保. 歧口凹陷重要断裂构造和构造带特征研究[J].