进入特高含水期,面临油层采出程度低、无效循环严重的局面。本文从分析影响水驱开发的因素入手,运用精细地质和数值模拟研究成果,从提高低渗透部位的动用程度、控制高渗透部位大孔道入手,减缓区块产能下降和含水上升速度,总结出一套识别和治理无效循环的方法。 Into the ultra-high water cut period, the face of the low level of oil recovery, the ineffective cycle of serious situation. Based on the analysis of the factors influencing the development of waterflooding, the paper uses fine geological and numerical simulation results to improve the utilization of low-permeability parts, control the large channels in the high-permeability part, slow down the decline of production capacity and the rising speed of water cut, Set of methods to identify and manage invalid cycles.