杨珀,杨胜来,马朋朋,韩晶,陈继成,袁世权
YANG Po,YANG Shenglai,MA Pengpeng,HAN Jing,CHEN Jicheng,YUAN Shiquan

• 1:中国石油大学(北京)石油工程学院
• 2:中国华油集团有限公司油气资源事业部

摘要(Abstract)：

为了研究含油气盆地上覆无源储盖组合油源断裂处油气分布规律，在对上覆无源储盖组合油源断裂运聚油气机制及其部位研究的基础上，利用油源断裂输导部位和下伏已聚集油气部位耦合，确定油源断裂运聚油气部位，再结合下伏区域性泥岩盖层渗漏部位，确定下伏供油气部位，最后与上覆区域性泥岩盖层封闭部位相组合，建立一种上覆无源储盖组合油源断裂运聚油气部位预测方法，并利用此方法预测渤海湾盆地歧口凹陷上覆馆陶组—明化镇组储盖组合港东断裂运聚油气部位。结果表明：上覆馆陶组—明化镇组储盖组合港东断裂油气运聚部位主要分布在其中部和东部，有利于下伏沙三段已聚集油气在上覆馆陶组中运聚成藏，与目前港东断裂处馆陶组已发现油气分布相吻合，表明该方法用于预测上覆无源储盖组合油源断裂运聚油气部位是可行的。该成果为推测上覆无源储盖组合油源断裂运聚油气部位奠定了理论基础。
In order to study hydrocarbon distribution law in overlying passive reservoir-seal assemblage oil source faults in hydrocarbon bearing basins, based on study of mechanism and locations of hydrocarbon migration and accumulation in the overlying passive reservoir-seal assemblage oil source faults, the hydrocarbon transport locations of oil source faults and underlying hydrocarbon accumulated locations are coupled to determine oil source faults migrating and accumulating oil and gas locations. Then combined with leakage locations of underlying regional mudstone caprock, the underlying supply locations are determined. Finally, combined with the sealing area of overlying regional mudstone caprock, a prediction method for hydrocarbon migration and accumulation locations of the overlying passive reservoir-seal assemblage oil source fault is established, and this method is used to predict hydrocarbon migration and accumulation locations of Gangdong Fault in overlying Guantao-Minghuazhen formations reservoirseal assemblage in Qikou Sag of Bohai Bay Basin. The results show that hydrocarbon migration and accumulation areas of Gangdong Fault in overlying Guantao-Minghuazhen formations reservoir-seal assemblage are mainly distributed in the eastern part, being favorable for the accumulated oil and gas in underlying Sha-3 Member to migrate and accumulate in the overlying Guantao Formation. This is consistent with the current discovered oil and gas distribution in Gangdong Fault of Guantao Formation, indicating the feasibility of this method for predicting hydrocarbon migration and accumulation areas of overlying passive reservoir-seal assemblage oil source fault. This achievement provides theoretical basis for inferring locations of hydrocarbon migration and accumulation in overlying passive reservoir-seal assemblage oil source faults.

关键词(KeyWords)： 上覆;无源储盖组合;油源断裂;运聚油气部位;预测方法
overlying;passive reservoir-seal assemblage;oil source fault;hydrocarbon migration and accumulation location;prediction method

Abstract:

Keywords:

基金项目(Foundation): 国家自然科学基金项目“断砂配置侧向分流运聚油气机理及有利部位识别研究”（42072157）

作者(Author): 杨珀,杨胜来,马朋朋,韩晶,陈继成,袁世权
YANG Po,YANG Shenglai,MA Pengpeng,HAN Jing,CHEN Jicheng,YUAN Shiquan

DOI: 10.19597/j.issn.1000-3754.202303026

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