碳酸盐岩缝洞型储层连通性定量表征方法研究  

Quantitative characterization of connectivity of fractured vuggy carbonate reservoirs

作　　者：耿甜 昌琪[1] 张玉婵[1] 吕晶[1] Geng Tian;Chang Qi;Zhang Yuchan;Lv Jing(Sinopec Northwest Oilfield Company,Xinjiang Urumqi 831011)

机构地区：[1]中国石化西北油田分公司,新疆乌鲁木齐831011

出　　处：《石化技术》2021年第2期116-117,共2页Petrochemical Industry Technology

摘　　要：塔河碳酸盐岩缝洞型储层非均质性强,裂缝为储层主要渗流通道,裂缝发育状况直接影响储层连通程度,制约老区剩余油挖潜。以塔河4区TK409单元为例,利用地球物理方法,优选合理地震属性,其中蚂蚁体与AFE属性能较好地表征单元裂缝分布状况;同时,在缝洞空间刻画基础上,对裂缝进行分类评价,建立储层连通性定量表征方法,评价结果与动态连通特征相符。运用储层连通性评价方法,单元实施综合调整取得了较好地效果,对同类型油藏开发具有借鉴意义。Tahe carbonate fractured vuggy reservoir has strong heterogeneity,and fractures are the main seepage channel,The development of fractures directly affects the connectivity of reservoirs and restricts the tapping of remaining oil potential in old areas.In this paper,taking tk409 unit of Tahe 4 area as an example,the geophysical method is used,The ant body and AFE attributes can better represent the distribution of unit fractures;At the same time,based on the space description of fracture cavity,the classification and evaluation of fractures are carried out,The quantitative characterization method of reservoir connectivity is established,and the evaluation results are consistent with the dynamic connectivity characteristics.Using the evaluation method of reservoir connectivity,the comprehensive adjustment of units has achieved good results,which has reference significance for the development of similar reservoirs.

关 键 词：缝洞型油藏 裂缝刻画 连通特征 定量表征 

分 类 号：TE31[石油与天然气工程—油气田开发工程]