塔中隆起走滑断裂分层变形机制研究的物理模拟实验  

Physical Simulation Experiment on Stratification Strike-slip Fault Deformation Mechanism in the Tazhong Uplift

作　　者：彭梓俊 冯磊[3] 罗彩明[3] 陈石[1,2] 宋兴国 梁鑫鑫 周小蓉 PENG Zijun;FENG Lei;LUO Caiming;CHEN Shi;SONG Xingguo;LIANG Xinxin;ZHOU Xiaorong(Stale Key Laboratory of Petroleum Resources and Prospecting,China University of Petroleum,Beijing 102249,China;Basin and Reseroir Research Center,China Universiy of Petroleum,Beijing 102249,China;Research Instiute of Petroleum Exploration and Derelopment,PetroChina Tarim Oilfield Company,Korla,Xinjiang 841000,China)

机构地区：[1]中国石油大学(北京)油气资源与探测国家重点实验室,北京102249 [2]中国石油大学(北京)地球科学学院,北京102249 [3]中国石油塔里木油田分公司勘探开发研究院,新疆库尔勒841000

出　　处：《现代地质》2022年第4期1022-1034,共13页Geoscience

摘　　要：塔中隆起位于塔里木盆地中央隆起带中部,是塔里木盆地油气勘探的重点区块之一。塔中地区奥陶系碳酸盐岩走滑断裂发育,控储控藏作用明显,走滑断裂成因机制的研究对于油气勘探开发十分重要。塔里木盆地塔中隆起走滑断裂具有典型的分层变形特点,为了明确塔中隆起走滑断裂分层变形机制的主控因素设计了4组物理模拟实验模型。实验结果表明:走滑断裂分层变形特征的形成主要与垂向上地层性质变化(分层)和多期活动(分期)有关,分层与分期都能造成走滑断裂产生分层变形的特征,塔中走滑断裂分层差异变形特征,是由垂向上地层岩性差异性和构造活动多期性共同造成的。The Tazhong uplift, located in the middle of the central uplift belt of Tarim basin, is a key block for oil and gas exploration. Strike-slip faults are well developed in Ordovician carbonate rocks at Tazhong, and the role of reservoir control is obvious. The study on the strike-slip faulting mechanism is very important for oil and gas exploration and development. Strike-slip faults in the Tazhong uplift are featured by typical delamination. To clarify the main controlling factors of delamination mechanism of these strike-slip faults, four groups of physical simulation experimental models were designed. The experimental results show that the formation of strike-slip fault delamination characteristics is mainly related to vertical stratigraphic property changes(delamination) and multi-stage activities(stages). Delamination and staging could form the delamination characteristics of these strike-slip faults. The delamination differential deformation characteristics of the Tazhong strike-slip faults may have caused by the different vertical stratigraphic lithology and multi-stage tectonic activity.

关 键 词：走滑断裂 分层变形 多期活动 构造物理模拟 塔里木盆地 

分 类 号：TE121.2[石油与天然气工程—油气勘探]