The result indicates that the flow velocity sensitivity of these samples can not reflect the real feature of micro fine migration.

结果表明，疏松砂岩油藏冷冻取心岩样的流速敏感性评价实验结果不能反映油层岩石微细粒运移的真实特征。

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Reservoir pressure decline, the increase of recovery rate and the damage of rock structure are main reasons of micro fine migration and sand production during oil recovery process of s...

疏松砂岩油藏开采过程中，油层压力下降和采油速度的增加以及岩石结构的破坏，是造成油层岩石微细粒运移和油井出砂的主要原因。

youdao

Reservoir pressure decline, the increase of recovery rate and the damage of rock structure are main reasons of micro fine migration and sand production during oil recovery process of such reservoirs.

疏松砂岩油藏开采过程中，油层压力下降和采油速度的增加以及岩石结构的破坏，是造成油层岩石微细粒运移和油井出砂的主要原因。

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