多参数表征储层岩性及其对储层物性的影响MULTI-PARAMETER CHARACTERIZATION OF THE RESERVOIR LITHOLOGIES AND THEIR INFLUENCES ON THE PHYSICAL PROPERTIES
李静,韩晨,周汉国,郭建春,范作松
LI Jing,HAN Chen,ZHOU Hanguo,GUO Jianchun,FAN Zuosong
摘要(Abstract)：
火成岩岩石种类多、岩性复杂、储层非均质性强,精确表征火成岩岩性特征、分析岩性对储层物性的影响,对火成岩油气藏的勘探开发意义重大。利用测井资料、岩石力学参数、岩石物理特征等多种参数相结合的方法,对Hsh2井区二叠系火成岩岩性及其对储层物性的影响进行了探讨。研究表明:岩性是火成岩储层物性其他影响因素的基础;凝灰岩和安山岩的渗透率、孔隙率较大,裂缝发育,为有利的储层岩性,其次是玄武岩;多参数综合分析法可以较准确地识别岩石岩性。
Igneous rocks are characterized by many types,more complex lithology,and rather stronger reservoir heterogeneity. How to accurately describe the igneous rocks lithology characteristics and analyze the influences of the lithologies on the reservoir physical properties possess very bigger significance on the exploration and development of the igneous hydrocarbon reservoirs. With the help of the multi-parameter integrating method: well logging data,rock mechanics parameters,petrophysical property features and so on,the Permian igneous-rock lithologies and their impacts on the reservoir physical properties are figured out for Well Block Hsh2. The study achievements show that the lithology is the basis of the other affecting factors on the physical properties of the igneous reservoir;thanks to the tuff and andesite with pretty bigger permeability and porosity,thus the favorable reservoir lithologiesare developed,the next is the basalt; so the multi-parameter analyzing method can more accurately identify the lithologies of the rocks.
关键词(KeyWords)：
岩石力学参数;火成岩;岩性;储层物性;交会图
lithomechanics/rock mechanics parameter;igneous rock;lithology;reservoir physical property;cross plot
基金项目(Foundation): 国家自然科学基金面上项目“基于岩石微观特征及多场耦合数值模拟的碳酸盐岩裂缝预测研究”(41272141);; 国家科技重大专项“准噶尔盆地碎屑岩层系油气富集规律与勘探评价”(2016ZX05002-002)
作者(Author):
李静,韩晨,周汉国,郭建春,范作松
LI Jing,HAN Chen,ZHOU Hanguo,GUO Jianchun,FAN Zuosong
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