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鄂尔多斯盆地砂岩储层为典型低孔、低渗,储层粘土矿物较为发育。粘土矿物对储层储集条件和渗流能力有较大影响,是开展储层评价和油层伤害研究的重要因素之一。同时,由于粘土矿物包含了大量沉积环境介质的物理化学信息,对其规律进行认识可以有效指导储层精细评价、有利区预测和开发技术政策制订等工作。
Sandstone reservoirs in the Ordos Basin are typical low-porosity and low-permeability reservoirs with relatively developed clay minerals. Clay minerals have a great influence on reservoir reservoir conditions and seepage capacity, which is one of the important factors in reservoir evaluation and reservoir damage research. At the same time, because clay minerals contain a large amount of physicochemical information of sedimentary environment medium, understanding their laws can effectively guide the reservoir fine evaluation, favorable area prediction and development of technical policies.