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本文根据室内压裂液滤失性试验研究结果,探讨了压裂液滤失机理。提出了用滤失曲线形状定性判断压裂液滤失性好坏的方法、计算岩心上压降分布的方法和用滤液粘度计算压裂液滤失系数的观点。
According to the research results of the fluid loss test of the fracturing fluid in the room, the fluid loss mechanism of the fracturing fluid is discussed. The method of qualitatively determining the fluid loss of fracturing fluid by using the shape of the fluid loss curve is proposed, the method of calculating the pressure drop distribution on the core and the viewpoint of using the filtrate viscosity to calculate the fluid loss coefficient of fracturing fluid are proposed.