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中文摘要：
针对砂岩油层经过水驱后,利用聚合物、二元、多元泡沫等驱油过程中,驱油剂黏度一般设计为定值或对应不同注入段塞设计不同的黏度值,提出一种驱油剂黏度连续变化的提高采收率方法.对于多层非均质油层,用这种方法可在驱油过程中形成比较均匀的驱油前缘,从而扩大油层纵向和平面上的波及体积,更大幅度地提高水驱或聚驱后的采收率.室内实验表明,在相同聚合物干粉用量条件下,聚合物溶液变黏度驱油比定黏度驱油采收率提高4.88%,甚至高达11.18%.
英文摘要：
For sandstone reservoir after water flooding,the use of polymers,binary,multi-foam flooding technology in general is designed to drive oil viscosity value or corresponding to different slug design different viscosity,a displacing agent continuous variation of viscosity to improve oil recovery methods. For the multi-layer non-homogeneous layers,this method can be formed in the process of displacement more uniform displacement front,thereby expanding the reservoir volume of vertical and surface affected more ...
同期刊论文项目
同项目期刊论文
Experimental Study on the Molecular Dimensionand Configuration of Polymer and its Flow Characteristi
Investigation on Mechanisms of Polymer Enhanced Oil Recovery by Nuclear Magnetic Resonance and Micro
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