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针对大庆油田地质特点研制了水渗流模拟装置，并利用该装置进行了压差和水渗流影响水泥环胶结质量的试验研究，得出了模拟条件下压差对固井质量的影响范围和水渗流影响固井质量的临界流速，并给出了现场实例。
According to the geological characteristics of Daqing Oilfield, a simulation device of water seepage was developed and the experimental study on the cementing quality of cement ring affected by pressure difference and water seepage was carried out. The influence range of pressure difference on cementing quality under simulated conditions and water seepage The critical flow rate affecting the cementing quality is also given.