【摘 要】
：
沈67块为注水开发区块,目前已到了中、高含水期。随着注水的持续开发,该块油藏相对的高渗透、大孔道层段又起主导作用,使得注水延大孔道方向前进,导致油井含水上升速度较快,
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沈67块为注水开发区块,目前已到了中、高含水期。随着注水的持续开发,该块油藏相对的高渗透、大孔道层段又起主导作用,使得注水延大孔道方向前进,导致油井含水上升速度较快,水驱油效果变差。我们通过对该区块储层物性及开发历史研究分析,结合油水井目前生产动态变化情况,改变常规控水稳油开采方式,实现通过调增配水不断洗油的良性循环,实现区块水驱采出程度的提高。
Shen 67 for the water development zone, has now reached a high water cut. With the continuous development of waterflooding, the relatively high permeability of the reservoir and the play of the macropore channel also play a leading role. As a result, water flooding is extended in the direction of the pore channel, leading to rapid rise of water content in the oil well and deterioration of water flooding effect. Based on the analysis of reservoir physical properties and development history of the block, combined with the current production changes of oil and water wells, we changed the conventional water control and stable oil recovery mode to realize a virtuous cycle of increasing oil washing by increasing water distribution to realize block water flooding Mining degree of improvement.
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