摘要
乌石凹陷流沙港组储层碳酸盐胶结物发育,导致储层物性较差。研究表明,研究区储层碳酸盐胶结物类型主要为菱铁矿、(铁)方解石和铁白云石,常见其充填于粒间,少量充填于次生溶孔;根据岩相学推测碳酸盐胶结物成岩序列为菱铁矿→(铁)方解石→铁白云石。
The development of carbonate cements in Liushagang Formation in Wushi Sag leads to poor reservoir physical properties.The results show that the main types of carbonate cements in the study area are siderite,(iron) calcite and ankerite,which are usually filled between grains and a small amount of secondary pores.According to petrography,the diagenetic sequence of carbonate cements is siderite → (iron) calcite → ankerite.
作者
郑智文
Zheng Zhiwen(Guangdong University of Petrochemical Technology,Guangdong Maoming 525000)
出处
《石化技术》
CAS
2022年第1期161-162,共2页
Petrochemical Industry Technology
关键词
乌石凹陷
碳酸盐胶结物
储层物性
Wushi sag
Carbonate cements
Reservoir physical properties
