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塔里木盆地轮南地区下奥陶统碳酸盐岩储层的控制因素分析
引用本文:夏义平,柴桂林,汪昌贵,刘万辉.塔里木盆地轮南地区下奥陶统碳酸盐岩储层的控制因素分析[J].现代地质,2000,14(2):185-190.
作者姓名:夏义平  柴桂林  汪昌贵  刘万辉
作者单位:中国石油天然气集团公司石油物探局,涿州,072700
摘    要:轮南地区下奥陶统潜山是一个具有良好勘探前景的油气富集区 ,但该区碳酸盐岩储层的不均一性及其预测的难度制约了该区勘探的进展 ,这也是碳酸盐岩地区油气勘探的难题之一。从影响碳酸盐岩储层发育的基本地质条件入手 ,对该区的构造特征、沉积环境及成岩作用分别进行了探讨 ,同时结合近年来的钻探成果进行了分析。结果表明 ,该区储层的储集性主要与次生孔隙有关 ,即主要受构造作用和成岩作用控制 ,而与沉积环境没有直接的关系 ,这一分析为该区碳酸盐岩储层的预测和评价提供了依据

关 键 词:碳酸盐岩储层  潜山  构造特征  沉积环境  成岩作用  塔里木盆地  轮南地区
修稿时间:1999-03-22

AN ANALYSIS OF CONTROLLING FACTORS TO LOWER ORDOVICIAN CARBONATITE RESERVOIR IN LUNNAN AREA, THE TARIM BASIN
Xia Yiping,Chai Guilin,Wang Changgui,Liu Wanhui.AN ANALYSIS OF CONTROLLING FACTORS TO LOWER ORDOVICIAN CARBONATITE RESERVOIR IN LUNNAN AREA, THE TARIM BASIN[J].Geoscience——Journal of Graduate School,China University of Geosciences,2000,14(2):185-190.
Authors:Xia Yiping  Chai Guilin  Wang Changgui  Liu Wanhui
Abstract:The Lower Ordovician buried hill in Lunnan area is a part of hydrocarbon concentration favorable for prospecting.However the inhomogeneity and the less calculatedness of carbonatite reservoir form the restriction to the prospecting progress in this area.This is a universal problem for hydrocarbon prospecting in carbonatite areas.From analysing the basic geologic conditions influencing the development of the carbonatite reservoir and the drlling results in recent years,the authors discuss the structural features,sedimentary environment and the diagenesis in this area.It is shown that the development of reservoir is related to secondary pores,i.e.,the reservoir is mainly controlled by tectonization and diagenesis, having little to do with the sedimentary environment.This study provides a practical basis for the prefiguration and evaluation of the carbonatite reservoirs.
Keywords:carbonatite reservoir  buried hill  structural feature  sedimentary environment  diagenesis  the Tarim Basin  Lunnan area  
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