刘晓晨;陆永潮;杜学斌;李祥权;林卫兵;张靖宇;冯琳;

• 1:中国地质调查局油气资源调查中心
• 2:中国地质大学(武汉)

摘要(Abstract)：

西湖凹陷砂岩储层具有砂体厚度薄、砂泥互层发育以及横向变化快的特点,传统的地球物理方法很难精细地刻画砂体空间分布。将层序地层学与地质统计学反演相结合,在建立等时地层格架的基础上,构建相应的地球物理模型,在正确的沉积学理论指导下,对西湖凹陷平湖斜坡带平湖组砂岩储层开展砂体的时空分布预测研究。研究结果表明,平湖组可划分出3个三级层序,下部砂体单层厚度较大,横向连续性好,平面连片发育;中部以泥岩为主,砂体孤立发育,连续性差;上部砂体增多,单层厚度较薄,横向连续性好。结合钻井实际资料分析表明,砂体预测结果垂向分辨率可以达到1～2 m。地质统计学反演有效解决了西湖凹陷平湖斜坡带薄层砂体识别的难题,可为研究区有利储层预测提供重要支撑。

关键词(KeyWords)： 层序地层学;地质统计学反演;储层预测;西湖凹陷

Abstract:

Keywords:

基金项目(Foundation): 国家科技重大专项(2016ZX05027-001-005)

作者(Author): 刘晓晨;陆永潮;杜学斌;李祥权;林卫兵;张靖宇;冯琳;

Email:

DOI: 10.19509/j.cnki.dzkq.2020.0311

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