南堡5号构造东营组地震资料解释与储层预测

发布时间：2018-06-19 03:35

本文选题：南堡5号构造 + 东营组　；参考：《东北石油大学》2015年硕士论文

【摘要】：南堡5号构造是南堡凹陷岩性油藏勘探的重要接替区,该构造东营组属中深部产油段,但其研究尚处于初级阶段,目前存在的主要问题是对其构造特征、成因认识,这些问题也严重制约了该区油气勘探开发的后期研究深度。本次研究以层序地层学为指导,开展构造精细解释,明确构造特征,完成了该区岩性-地层圈闭识别及火山岩对油气成藏控制作用的综合地质研究,进而落实该区东营组储层特征的认识,为后续油藏的勘探评价提供可靠依据。基于三维地震解释,并与已钻井资料进行结合,重新定义了目的层Ed1、Ed2、Ed3s、Ed3共4个反射界面,完成了相应构造图绘制及构造特征分析。结合构造研究成果、沉积及储层特征认识,开展地震反演研究,通过测井曲线储层敏感分析,优选对该区储层砂体分辨能力强的曲线进行低频恢复、高频补偿的曲线重构反演,再与地震属性、储层特征进行对比分析,最终总结出适合该区的储层预测方法和路线,并完成优势砂体预测。研究成果表明:研究区东营组断裂发育,构造认识难度大,所以层序地层学研究是此次研究的重点也是保证后期工作准确性的基础;应该最大程度上保证地震反演、地震属性等技术砂体预测结果与该区沉积体系、储层特征的一致性;该区中部斜坡带及中南部斜坡应为下步有利勘探优势区域,并通过结合构造、岩性与储层预测等研究成果,完成了三个有利勘探井位的部署。
[Abstract]:Nanbao No. 5 structure is an important replacement area for lithologic reservoir exploration in Nanpu sag. The Dongying formation belongs to the middle and deep oil producing section, but its research is still in the primary stage. The main problem at present is the recognition of its structural characteristics and origin. These problems also seriously restrict the late research depth of oil and gas exploration and development in this area. Guided by sequence stratigraphy, the study carried out fine structural interpretation and clear structural characteristics, and completed a comprehensive geological study of lithology-stratigraphic trap identification and volcanic rock controlling oil and gas accumulation in this area. Furthermore, the recognition of reservoir characteristics of Dongying formation in this area is carried out, which provides a reliable basis for the exploration and evaluation of subsequent reservoirs. Based on 3D seismic interpretation and combined with well drilling data, four reflection interfaces of the target layer Ed1 / Ed2 / Ed3sE3 are redefined, and the corresponding structural map drawing and structural characteristics analysis are completed. Combined with structural research results, sedimentary and reservoir characteristics, seismic inversion research was carried out. Through logging curve reservoir sensitivity analysis, the curve with strong resolution ability of reservoir sand body in this area was recovered by low frequency recovery and curve reconstruction with high frequency compensation. Then compared with seismic attributes and reservoir characteristics, the reservoir prediction method and route suitable for this area were summarized, and the superior sand body prediction was completed. The results show that the fault development of Dongying formation in the study area is very difficult to understand the structure, so sequence stratigraphy is the key point of this study and the basis to ensure the accuracy of the later work, and the seismic inversion should be guaranteed to the greatest extent. The prediction results of seismic attributes and other technical sand bodies are consistent with the sedimentary system and reservoir characteristics in this area, and the central and southern slopes in this area should be favorable for exploration in the next step, and through the combination of structure, lithology and reservoir prediction, and so on, The deployment of three favorable exploration well sites has been completed.
【学位授予单位】：东北石油大学
【学位级别】：硕士
【学位授予年份】：2015
【分类号】：P618.13;P631.4

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