巴麦地区石炭系小海子组储层特征及控制因素分析

Journal of Northeast Petroleum University(2012)

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Abstract
在岩心观察、铸体薄片、扫描电镜资料分析的基础上,结合孔隙度、渗透率等物性资料,分析巴麦地区石炭系小海子组储层特征及控制因素.结果表明:该组的储集层岩石类型中,白云岩储层物性较灰岩好,而颗粒灰(云)岩物性也较非颗粒灰(云)岩好;储集空间类型以粒间溶孔、粒内溶孔和晶间溶孔为主;沉积相带、成岩作用及构造作用等是影响研究区储层物性的重要条件,其中高能的台地滩相储集岩是有利储层的发育地带,大气淡水暴露溶蚀作用和白云岩化作用改善了储集空间,构造破裂作用所产生的裂缝使储层物性得到进一步改善.该研究对认识巴麦地区小海子组储层特征及主控因素有参考意义.
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Key words
high-energy facies,Xiaohaizi formation,Bamai Region,reservoir space,Tarim basin,control factor,reservoir characteristics
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