薛辉;韩春元;肖博雅;韩建彦;

• 1:中国石油华北油田分公司勘探开发研究院

摘要(Abstract)：

为明确高阳区沙一下亚段湖相碳酸盐岩颗粒滩储层发育特征,基于岩心观察、薄片鉴定,结合测录井、地震等资料,研究高阳区沙一下亚段湖相碳酸盐岩颗粒滩类型、物性特征、组合规律,分析优质颗粒滩储层在测井和地震上的响应特征,明确有利颗粒滩储层分布区域。结果表明:高阳区沙一下亚段颗粒滩存在颗粒灰岩(白云岩)、晶粒白云岩、混积颗粒岩3种,整体上具有中孔隙度、中渗透率特征,颗粒灰(云)岩类储层物性最好,晶粒白云岩类较差,混积颗粒岩类最差。纵向上发育砂坝—颗粒滩、滩间—颗粒滩、浅湖湾—颗粒滩3种沉积组合,前两种沉积组合颗粒滩储层较厚、物性最好,是优质颗粒滩组合类型。优质颗粒滩储层在自然伽马曲线上表现为漏斗型、箱型,电阻率向上逐渐增大或呈齿化箱型,地震剖面上呈丘状或楔状,为中—强振幅,同向轴杂乱不连续。在西南部古地貌高地上和湖侵体系域内是优质颗粒滩储层分布区,为未来重点勘探目标。

关键词(KeyWords)：沉积特征;颗粒滩储层;组合规律;识别标志;分布区域;沙一下亚段;高阳区

Abstract:

Keywords:

基金项目(Foundation):中国石油天然气股份公司重大科技专项(2017E-15)

作者(Author):薛辉;韩春元;肖博雅;韩建彦;

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