【作者】 段贺海；

【导师】 吴淦国； 樊太亮；

【作者基本信息】 中国地质大学（北京） ， 构造地质学， 2005， 博士

【摘要】 在对储层流动单元研究成果深入调研的基础上,开展了对储层流动单元的系统研究,包括流动单元划分方法研究、流动单元综合分析、储层三维建模、油藏数值模拟、油藏工程分析、开发方案的制定和开发效果的预测等。枣南油田孔一段V油组储层为例开展了储层流动单元的实例研究和方案的实施。 应用高分辨率层序地层学研究理论和层次分析方法进行了等时地层单元的划分,建立了包括准层序、小层、单砂层和成因单砂体在内的多级地层格架并对小层、单砂体层、成因砂体等级别的储层进行了参数解释和集总。 进行了小层及成因砂体两个层次储层的微相类型划分并提出了比例相的概念,认为利用河道主体砂岩的比例描述单砂体层乃至小层的微相特征可以防止平均化现象,更准确的描述微相展布。分析了储层成岩作用类型及特征,通过薄片资料对储层微单元体复杂成岩系统进行了量化表征并研究了各类成岩作用对储层物性的贡献比率。 通过对储层确定性插值剖面和切片的分析,建立了储层建筑结构模型,总结了储层结构样式并研究了储层结构模型的形成机理。认为成因砂体作为自然连通体,这一级别的储层不但具有可操作性,而且对其进行深入研究可对开发中后期油田的生产具有十分重要的现实意义。 应用模糊聚类法将自然连通体划分为四类流动单元并建立了划分标准。通过三种方法的连井划分剖面对比,认为它们对储层渗流特征的描述趋势一致。同时说明,基于自然连通体的流动单元划分可以满足油田生产需要。 以成因砂体流动单元划分结果为基础,进行了流动单元的综合分析,包括流动单元的产吸剖面动用状况、有效厚度动用状况、储量计算、剩余可采储量求取、剩余油分布预测等。这些研究为流动单元的推广和提高油田采收率具有重要意义。 以流动单元研究成果为基础,提出“相控注水,单元重组”开发调整思路。数值模拟预测的结果表明基于该思路的调整方案明显优于传统的调整策略。通过在枣43断块的调整实践证明了该思路的有效性。更多还原

【Abstract】 A comprehensive research is carried out on Reservoir Flow Units and Its Application, including division of Reservoir Flow Units, relations between Reservoir Flow Units to production responses, 3D reservoir modeling, reservoir simulation and engineering project. A case is from Zaonan Oil Field adapted.The structure of isochronal stratum is builded by the high- frequency sequence stratigraphy and hiberarchy analysis methods including parasequence layer, sand body and genie sand body. Reservoir property parameters are computed from log data according to layer, and body, genie sand body.The deposite facies are divided in tow scales of layer and sand body, the conception of proportional microfacies is put forward, that the proportion of a certain face can be used to descript face of interval which includes several sands, which can avoid averaging phenomena. Types and characteristics of reservoir diagenesis is anaylized. The complex system of diagenesis is quantified on base of rock slices, and the contribution ration of all kinds of diagenesis to reservoir properties is studied.In virtue of section and slice up, Reservoir structure model is built ,and the formation mechanism of reservoir structure is probed. The genie sand can be considered as a connectivity sand body, it’s also a unit in engineer project, the research has important meaning to oil production, specially in those oil fields in stage of high water bearing.In the paper, flowing character of simple point of reservoir is depicted by method of flow coefficient and FZI. Flow unit of physical communicated object is depicted by method of fuzzy clustering to.Connectivity body is classified into four Flow unit according to FZI. by uzzy cluster, the scheme is confirmed for division of Flow units. Three sections from three methods show the same characteristics, that result from the same properties of flow units. The flow units in Connectivity body can meet the production of oil field.Base on flow unit division of genic sand, the relationship between flow unit and the responds of water inject test and fluid production test, effective thickness, calculation of reserves, residual recoverable reserves, and forecast of oil remaining, and so on. In a word, these research is important meaning for extending application of flow unit and improvement of recovery ratio.New engineering strategy of oil production is brought out based on reservoir flow unit, and the efficiency is gained in Z43 block.更多还原