【摘要】 储层孔喉分布是储层评价的重要研究内容。储层孔隙度和渗透率参数是储层微观孔隙结构特征的宏观综合表现。本文通过对来自我国吐哈、辽河、胜利、鄂尔多斯、四川和加拿大等地区油气田的 6 5 0个砂岩和碳酸盐岩样品压汞测试资料及物性数据的分析研究 ,成功发现了对于孔隙性岩石 (无论是砂岩还是碳酸盐岩 ) ,岩石孔隙度和渗透率 (特别是渗透率 )与岩样不同孔喉大小的体积分布有密切的相关性 ,并首次建立了储层孔喉体积分布反演预测模型。该模型解决了在一个地区部分层段、部分井因缺乏压汞测试样品或岩芯资料给储层孔隙结构研究带来的困难 ,并有利于正确评价工区储层孔隙结构的非均质性更多还原

【Abstract】 The distribution of reservoir pore throat size is important for reserv oir evaluation. The porosity and permeability of reservoir are mac roscopic reflection of microscopic reservoir pore structure characteristi cs. By the analysis of mercury injection data and physical property data of 650 sandstone and carbonate samples collected from Tuha, Liaohe, Shengli, Eerduosi, Sichuan oil & gas field of China and Canadian oilfield, it is found that for porosity rocks, no matter they are sandstone or carbonate , their porosity and permeability (especially for permeability) are closely rela ted to pore volume distribution with different throat size.The predi ctive models of reservoir pore throat volume distribution which can solve the problem caused by shortage of mercury injection sample or core data in certain laye r or wells of an area,are proposed and proved to be successful in evaluating het erogeneity of reservoir pore structure.更多还原