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实施保护油气层技术是当今石油勘探开发过程中的一项关键技术,成功的前提是要获得对地层损害客观、真实和准确的评价结果。模拟井下地层温度120℃、围压50MPa和钻井完井动静态滤失条件的高温高压多点岩心电阻率渗透率测量系统,沿着长达96cm的柱状岩心轴向上分布有16个测电测压点,通过多点岩心电阻率的渗透率的同时测量,不仅可以直接精确地确定工作液侵入深度和损害程度,并获得工作液动静态滤失数据,从而优选工作液;而且,通过井下真实模拟的转换,并结合现场生产资料,可直接用于确定钻井完井损害、测井解释以及水驱效率和三采效果评价等,具有极为广泛的应用范围和极其广阔的应用前景。
The implementation of the protection of oil and gas layer technology is a key technology in the current petroleum exploration and development process. The successful precondition is to obtain objective, true and accurate evaluation results of formation damage. Multi-point resistivity measurement system of high temperature and high pressure to simulate the conditions of downhole formation temperature of 120 ℃, confining pressure of 50MPa and dynamic and static filtration conditions of drilling and completion, there are 16 electrical measurements along axial direction of up to 96cm columnar core Pressure point, through the multi-point permeability of the resistivity of the simultaneous measurement, not only can directly and accurately determine the working fluid invasion depth and extent of damage, and to obtain the working fluid dynamic and static fluid loss data to optimize the working fluid; and, through downhole real The simulation conversion and the combination of field production data can be directly used to determine the damage of well completion, logging interpretation, waterflooding efficiency and evaluation of the third mining effect. It has a very wide range of applications and an extremely broad application prospect.