摘要
文章对碎屠岩油气储层的地层损害分析的思路和流程作了介绍,并以实例分析了引起地层损害的潜在地质因素。通过室内流体敏感性试验,包括流速敏感性、水敏及盐度敏感性、正反向流动及酸敏性,对储层的敏感性类型和损害程度进行了评价。最后简要探讨了油气层保护和改造措施。
The way of thinking and the flow chart of formation damage analysis are introduced in this paper. By means of X-ray diffraction analysis, microscopic examination of rock thin sections, SEM and pore structure analysis, the potential factors of formation damage for a reservoir are determined. The type and the extent of sensitivity for the reservoir rocks by flow experiments in cores are evaluated. The flow experiments or sensitivity tests include the following: flow sensitivity, salility and acid sensitivity, and reversal flow. The protection and remedy of oil and gas horizons are also discussed.
基金
国家自然科学基金
关键词
粘土矿物
石油
天然气
储层
地层
formation damage, clay minerals, reservoir property, sensitivity evaluation, oil and gas horizon protection
