低渗透油田开发部署中几个问题的研究

• 作 者: 贾文瑞 李福垲 肖敬修
• 机 构: 中国石油天然气总公司石油勘探开发科学研究院
• 出 处: 石油勘探与开发
• 发表日期: 1995年04期
• 关键词: 低渗透油田 压裂改造 注水井 注水水质 低渗透油气藏 注采系统 孔隙结构特征 开发部署 渗透率 天然裂缝

本文概述了低渗透储层的地质成因特征和孔隙结构特征，以及由地质因素引起的低渗透油田的基本渗流特征。以丘陵油田为例，提出了低渗透油田裂缝和地应力研究的重要性及研究方法。应用数值模拟研究了低渗透油层人工造缝和天然裂缝与井网、注采系统部署的关系，还提出了注水井和采油井对应压裂改造、降低注水水质标准的依据。

This paper summarizes the geologic and pore structure characteristics of low-permeability reservoirs and the basic seepage characteristics of low-permeability oil fields caused by geological factors. Taking hilly oilfield as an example, the importance and research methods of the research on fractures and in-situ stress in low permeability oilfields are proposed. The relationship between artificial fracturing and natural fractures of low permeability reservoir and the deployment of well pattern and injection and production system was studied by numerical simulation. The corresponding standards of waterflooding well and production well corresponding to fracturing reformation were also put forward.