雷61储气库边界断层封闭能力评价  

Evaluation of boundary fault closure capacity of Lei-61 gas storage

作　　者：程佳薪 付晓飞[1,2] 孟令东[1,2,3] CHENG Jiaxin;FU Xiaofei;MENG Lingdong(School of Earth Sciences,Northeast Petroleum University,Daqing 163316,China;CNPC Fault Controlling Reservoir Laboratory,Northeast Petroleum University,Daqing 163316,China;Heilongjiang Feipusi Energy Technology Co.,Ltd.,Daqing 163316,China)

机构地区：[1]东北石油大学地球科学学院,黑龙江大庆163316 [2]东北石油大学CNPC断裂控藏研究室,黑龙江大庆163316 [3]黑龙江省飞谱思能源科技有限公司,黑龙江大庆163316

出　　处：《甘肃科学学报》2024年第3期1-6,共6页Journal of Gansu Sciences

基　　金：国家重点研发计划(2022YFE0206800)。

摘　　要：在雷61储气库运行中发现F2断层承压上限不明确的问题,该问题可能会导致储气库发生天然气泄漏。因此以雷61储气库边界断层F2为研究对象,针对F2断层的封闭能力进行评价。首先在对断层的地震剖面和测井数据进行解释的基础上,统计边界断层F2储层段厚度和断距,建立断层三角图,确定边界断层F2的封闭类型。对接封闭的封闭能力远大于断层岩封闭的封闭能力,因此主要评价断层岩封闭能力。基于测井数据和断距距离曲线,使用断裂控藏团队自主研发的FAPSeal_3D软件进行断层带泥质含量计算,基于上述计算结果,调研相关公式并进行烃柱高度计算。结果表明,边界断层F2控圈范围内封闭能力较强,其封闭能力可支撑储气库安全高效运行。In the operation of Lei 61 gas storage reservoir,the problem of unclear upper pressure limit of F2 fault is found,which may lead to natural gas leakage in the reservoir.Therefore,this paper takes F2,the boundary fault of Lei 61 gas storage reservoir,as the research object and evaluates the closure ability of F2 fault.Firstly,based on the interpretation of seismic profiles and well logging data of the fault,the thickness and fracture distance of the reservoir section of the boundary fault F2 are counted,and a fault triangulation diagram is established to determine the closure type of the boundary fault F2.The closure capacity of buttress closure is much larger than that of fault rock closure,so this paper mainly focuses on the evaluation of fault rock closure capacity.Based on the logging data and fracture distance curve,the FAPSeal_3D software developed by the fracture control team is used to calculate the mud content of the fault zone,and based on the results of the above calculations,the relevant formulas are researched and the height of the hydrocarbon column is calculated.The results show that the boundary fault F2 control circle range closure ability is strong,and its closure ability can support the safe and efficient operation of the gas storage reservoir.

关 键 词：气库 断层封闭性 烃柱高度 泥质含量 

分 类 号：TE122.1[石油与天然气工程—油气勘探]