李兵,罗枭,王轩,闫婷,刘宇,李会元,李梦勤,李正阳,王青红
LI Bing,LUO Xiao,WANG Xuan,YAN Ting,LIU Yu,LI Huiyuan,LI Mengqin,LI Zhengyang,WANG Qinghong

• 1:中国石油塔里木油田公司勘探开发研究院
• 2:中国石油超深层复杂油气藏勘探开发技术研发中心
• 3:新疆维吾尔自治区超深层复杂油气藏勘探开发工程研究中心

摘要(Abstract)：

塔里木盆地围绕小位移走滑断裂勘探获得突破，揭示了断控油气藏的存在，但断裂活动强度弱，产状高陡，其地震解释和地质解析难度大，需要从成因机制出发加深走滑断裂发育特征的认识以指导地震解释。以塔里木盆地富满油田满深区块走滑断裂为例，利用三维地震资料，运用构造解析结合相似性砂箱物理模拟，分析走滑断裂形成机制及发育特征。结果表明：研究区南北向走滑断裂与北东向断裂为同期形成但产生阶段滞后，从北东向断裂向外生长逐渐连接，断裂交叉区具有形成优质储层的条件；南北向断裂的形成受深部韧性层分布和北东向断裂间距的共同控制，推断研究区可能存在其他南北向断裂未被识别。研究成果有助于提高走滑断裂解释及指导碳酸盐岩断控缝洞型油气藏勘探。
Exploration around small-displacement strike-slip faults in Tarim Basin gets much breakthrough, revealing the existence of fault-controlled reservoirs. However, weak fault activity and high and steep occurrence cause difficulty in seismic interpretation and geological analysis, requiring deep understanding of development characteristics of strike-slip faults from perspective of genetic mechanism study to guide seismic interpretation. Taking strikeslip faults in Manshen block of Fuman oilfield in Tarim Basin as an example, formation mechanism and development characteristics of strike-slip faults are analyzed by structural analysis combined with sandbox physical modeling of similarity based on 3D seismic data. The research shows that S-N strike-slip faults in studied area formed in the same period with NE-striking faults, but lagged in development stage, growing outward from NE-striking faults and gradually connecting. Faults intersection zones provide favorable high-quality reservoir formation conditions.The formation of S-N-striking faults is controlled by distribution of deep ductile layers and spacing of NE-striking faults, inferring possible existence of other unidentified S-N-striking faults in studied area. The research contributes to improve strike-slip faults interpretation and guide the exploration of fault-controlled fractured-vuggy carbonate reservoirs.

关键词(KeyWords)： 走滑断裂;砂箱物理模拟;成因机制;构造解析;富满油田;塔里木盆地
strike-slip fault;sandbox physical modeling;genetic mechanism;structural analysis;Fuman oilfield;Tarim Basin

Abstract:

Keywords:

基金项目(Foundation): 中国石油天然气股份有限公司科学研究与技术开发项目“多尺度缝洞型油藏储层静态刻画及动态描述技术研究”（2021DJ1501）

作者(Author): 李兵,罗枭,王轩,闫婷,刘宇,李会元,李梦勤,李正阳,王青红
LI Bing,LUO Xiao,WANG Xuan,YAN Ting,LIU Yu,LI Huiyuan,LI Mengqin,LI Zhengyang,WANG Qinghong

DOI: 10.19597/J.ISSN.1000-3754.202309027

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