岩性油气藏 ›› 2015, Vol. 27 ›› Issue (1): 2631.doi: 10.3969/j.issn.1673-8926.2015.01.004
王正来1,姜洪福1,关琳琳2,潘中亮1,许艳龙1
WANG Zhenglai1, JIANG Hongfu1, GUAN Linlin2, PAN Zhongliang1, XU Yanlong 1
摘要:
为加快海拉尔盆地已探明石油地质储量的有效动用,以复杂断块油藏储层物性影响因素分析为指导,结合储层参数测井精细解释结果,对优势储层形成机理进行分析。 结果表明:海拉尔盆地南一段沉积相及沉积微相类型控制着储层原始物性的变化,扇三角洲、辫状河三角洲及浊积扇 3 种沉积相类型中,辫状河三角洲的物性较好,其水下分流河道、扇三角洲水下分流河道和浊积水道为优势储层发育相带;压实作用和胶结作用均是造成海拉尔盆地储层物性变差,并导致现今储层微观孔隙结构格局的重要原因;受多种因素控制,储层随埋深增加物性变差,但发育有多个孔渗异常高值区带。 该研究成果为未动用储量区块评价优选指明了方向,也可为其他类似区块的勘探潜力预测提供依据。
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