【摘要】 作为塔里木盆地重要的油气储集层之一的奥陶系碳酸盐岩,众多专家学者对其进行了深入的研究,但对塔里木奥陶系中统一间房组的研究上存在一些异议.本研究在充分吸收前人成果的基础上,结合该地区的构造演化,尤其是加里东中期运动Ⅰ幕的影响,在单井资料和地震资料的基础上,运用层序地层学和生物地层学手段,对一间房组的沉积特征进行深入的研究,揭示它的沉积相类型以及其在平面上的分布格局:塔中开阔台地-台间陆棚-塔北开阔台地-台缘斜坡-盆地(由西向东),为下一步的勘探开发提供依据.更多还原

【Abstract】 Many experts and scholars have made indepth research on the carbonate rocks of Ordovicician,one of the important oil and gas reservoirs in tarim basin,but there exist different ideas on the study of yijianfang formation.This reserch is based on previous studies and concerned about the tectonic evolution of the region,especially the influence of Ⅰcurtain of the middle caledonian movement. Depending on the single well data and seismic data,we have stuied the sedimentary characteristics of yijianfang formation through means of sequence stratigraphy and biostratigraphy,and have summarized the rule of planar distribution of yijianfang formation : open platform in central tarim—shelf between platforms—open platform in north tarim—magin or slope of platform—basin(from west to east),providing the basis for further exploration and development.更多还原