基于储层评价的低渗透油藏水驱规律研究
Study on Water Driving Laws of Low Permeability Reservoir Based on Reservoir Evaluation

DOI: 10.12677/JOGT.2019.413030, PP. 12-17

Keywords: 低渗透油藏，储层评价，两步法，水驱规律
Low Permeability Reservoirs, Reservoir Evaluation, Two-step Method, Water Driving Laws

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Abstract:

低渗透油藏储层性质差异大，水驱规律复杂。以南堡4-1区低渗透区块为例，结合动态和静态参数综合评价储层，开展了基于不同类型储层的水驱规律研究。建立两步法储层评价方法，划分了平面上3种水驱类型，对比有效储层中I类和II类储层的水驱特征差异，并阐述其成因机理。提出的研究方法使低渗透油藏水驱规律研究更加具有针对性和准确性，该方法在研究区取得了较好的矿场应用效果，对同类型油藏的开发治理具有重要的指导意义。
In low permeability reservoirs, there existed great difference in reservoir property, and complex water flooding laws, by taking low permeability block in Nanpu 4-1 Area as an example and combined with dynamic and static evaluations of reservoir parameters; a study was carried out on the water flooding laws based on different types of reservoirs. In the process, a two-step reservoir evaluation method was established; three types of water flooding were divided on the plane. The characteristics and differences of water flooding between Type I and Type II reservoirs were contrasted, and their formation mechanism was expounded. The method proposed in the study is more targeted and accurate for studying the water flooding laws in low permeability reservoirs, and better field application results are achieved in the study area; it provides an important guidance for the development and treatment of similar reservoirs.

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