Frac and pack technology is both a effective stimulation and sand control treatment, and a new completion method in unstable crumbly formation and high permeability reservoir.

压裂充填工艺是中高渗透油气层和不稳定松软地层的有效增产、防砂措施，又是一种新的完井方法。

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Upon completion of the treatment, the service tool was repositioned to close the monitoring sleeve and the frac sleeve in one upward movement.

在完成充挤压充填作业之后上提服务工具，一次性关闭本层留井管柱上的监测滑套和压裂滑套。

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