浅水三角洲砂页岩互层储层精细描述——以渤海湾盆地P19油田为例

Chunsheng Shen, Bing Li, Zhongbo Xu, Zhihua Hu, Liu Yancheng, Haibo Xu, Chao Liu, Ting Li
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引用次数: 0

摘要

P19油田L70-L90层砂体多为砂页岩互层内的薄砂体,地震分辨率低于17 m,地震资料无法识别。为提高开发效果,采用地震属性分析、地质知识库模拟和沉积层序约束相结合的方法,对浅水三角洲下砂页岩互层套薄砂进行精细描述。成功应用表明,该技术不仅具有较高的预测精度和应用价值,而且为不同沉积层序单砂地质知识库增加了新的信息,为渤海湾类似油田薄砂储层的研究开发提供了参考。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
The Fine Description of Interbedded Sand-Shale Reservoirs in Shallow Water Delta : A Case Study of P19 Oilfield in Bohai Bay Basin, China
Most sands in Layer L70-L90 of P19 Oilfield are thin sands within interbedded sand and shale sets, which are below the seismic resolution of 17 m and could not be identified by seismic data. To improve development effects, the hierarchical method for fine description of thin sands within interbedded sand and shale sets deposited under shallow water delta was conducted through the integration of seismic attributes analysis, geological knowledge repository analog and constraint by depositional sequence. The successful application suggested that this technique not only has high prediction accuracy and application value, but also added new information to geological knowledge repositories of single sand in different depositional sequences and provided references for research and development of thin sand reservoir in similar oilfields in Bohai Bay.
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