断层封闭性评价技术在渤海P油田的应用  

Application of Fault Sealing Evaluation Technology in Bohai P Oilfield

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作  者:王海更 王月杰 张博文 Wang Haigeng;Wang Yuejie;Zhang Bowen(Tianjin Branch of CNOOC Ltd.,Tianjin 300452)

机构地区:[1]中海石油(中国)有限公司天津分公司,天津300452

出  处:《石化技术》2024年第12期85-87,共3页Petrochemical Industry Technology

摘  要:渤海P油田断裂系统复杂,断层封闭性是油田安全高效开发的基础。利用滑动趋势和膨胀趋势定性评价断层剪切活化和张性活化趋势,采用断层泥比率(SGR)量化断层带内泥质含量,利用不同区块断层压差和SGR关系表征断层侧向封闭能力,从而实现断层封闭性定量评价。结果表明,研究区内断层均处于稳定状态,但部分断层侧向封闭性低,而走滑断层存在侧向不封堵现象。The fault system of Bohai L Oilfield is complex,and fault sealing is the foundation for safe and efficient development.This article qualitatively evaluates the shear activation and tensile activation of faults using Sliding Trends and Expansion Trends,quantifies the mud content within the fault zone using the Fault Shale Gouge Ratio(SGR),and characterizes the lateral sealing ability of faults using the relationship between fault pressure difference and SGR in different blocks,thereby achieving quantitative evaluation of fault sealing.The results indicate that all faults in the study area are in a stable state,but some faults have low lateral sealing,while strike slip faults exhibit lateral non sealing phenomena.

关 键 词:滑动趋势 膨胀趋势 断层压差 断层泥比率 

分 类 号:P61[天文地球—矿床学]

 

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