在波海海域的古代变态埋藏山水库的分类和定量表征
Shuyue Ren1, Dingyou Lv2, Jian Yi1
1College of Earth Science, Jilin University, Changchun 130061, China.
ACS omega
|October 2, 2023
概括
博海海域的古老变态埋藏山水库根据孔隙性和透性被分为三种主要类型和六种子类型. 水库质量从I型下降到III型,受气候变化和构造活动的影响.
科学领域:
- 石油地质学 石油地质学
- 沉积物学的沉积物学
- 储水库工程 储水库工程
背景情况:
- 波海的古老变态埋藏山水库呈现复杂的地质结构和水库特征.
- 了解水库异质性对于有效地在这些水库中进行碳化合物勘探和生产至关重要.
研究的目的:
- 为了建立一个分类方案的古老的变态埋藏山丘水库在博海海.
- 分析水库组成,孔隙结构和发展特征.
- 为不同水库类型建立水库开发模型.
主要方法:
- 数学函数适配应用到来自多个井的生产力和物理属性测试数据.
- 核心数据,薄截面,扫描电子显微镜,成像日志,注射和吸附试验的综合分析.
- 来自BZ19-6和13-2井的案例研究,分析开发地点并建立水库开发模型.
主要成果:
- 一个分类方案将水库分为三个类别 (I,II,III类型) 和六个子类别,根据透度和透度的值.
- 储类型进一步分类为基于孔隙和透性贡献的断裂或断裂.
- 从I型到III型水库观察到溶解,骨折发育,毛孔大小和毛孔体积下降的趋势.
结论:
- 水库质量受到气候变化和构造变化过程的显著控制.
- 对I型水库的有利条件包括气候变化的地中的特定受气候影响的区域 (质,浸出,解体).
- 在埋藏的山丘内存在厚厚的断裂区域 (>10米) 或密集的断裂区域 (>40米) 对I型水库形成至关重要.
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