The reservoirs are characterized by low height trap, serious heterogeneous reservoir, low resistivity and poor efficiency of water driving oil.
油气藏具有构造幅度低、非均质性严重、低阻油层发育及水驱油效率低等特点。
At normal temperatures, the oil driving efficiency and the sweep efficiency of water driving are low, and the crude viscosity increases after water drive.
常温驱油效率低，水驱波及系数小，且水驱后原油黏度增加。
At normal temperatures, the oil driving efficiency and the sweep efficiency of water driving are low, and the crude viscosity increases after water drive.
常温驱油效率低，水驱波及系数小，且水驱后原油黏度增加。
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