塔中地区良里塔格组成岩作用及孔隙演化  

Diagenesis and Pore Evolution of Lianglitage Formation, Central Tarim Basin

作　　者：纪佳[1] 赵少泽 钱程[1] 

机构地区：[1]成都理工大学能源学院,四川成都610059

出　　处：《天然气技术与经济》2015年第5期5-9,77,共5页Natural Gas Technology and Economy

基　　金：中国石化西北分公司勘探开发研究院协作项目 (KY-S-2008-086)"塔里木盆地下古生界多类型储集体形成与成藏条件研究-塔里木盆地中央隆起带"O-Z"储集体形成机理;主控因素;有利储集体展布及成藏条件研究"部分成果联合资助

摘　　要：成岩作用对塔里木盆地奥陶系碳酸盐岩的改造十分强烈,并影响其孔隙演化过程。通过对塔中地区良里塔格组岩芯、薄片、阴极发光、碳氧同位素、微量元素等多种资料进行综合分析,结合塔里木盆地的多期构造事件对成岩环境的影响,针对胶结作用、溶蚀作用、破裂作用等主要成岩作用对良里塔格组碳酸盐岩储层的改造进行研究,以揭示不同成岩阶段中良里塔格组的孔隙演化过程,为寻找该组内的优势储集体提供依据。In Tarim Basin, diagenesis has a strong constructive effect on the Ordovician carbonate rocks, further affecting their pore evolution. Some data from core, cathodeluminescence, carbonoxygen isotope, and trace element, and many results from thin-section identification were comprehensively analyzed for the Lianglitage Formation in central Tarim Basin. And based on the effect of multistage tectonic events on diagenetic setting, that the main diagenesis of cementation, dissolution, and fracturing has a constructive effect on the Lianglitage carbonate- rock reservoir was also studied. Results show the pore evolution of the reservoir during different diagenesis phases, which may provide an evidence for searching for more favorable reservoir boides.

关 键 词：良里塔格组 成岩作用 碳氧同位素 胶结作用 溶蚀作用 裂缝 

分 类 号：P618.13[天文地球—矿床学]