The results show that the expansion screen completion is more advantageous in open hole completion than in cased hole completion compared with the mechanical sand control completion.

本文结合理论分析和实验来研究膨胀筛管完井后产能，并与一般机械防砂方式进行了分析对比。

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Cavity completion well is good method in increasing production and controlling sand, and it will become an effective method to control sand through research.

研究表明，洞穴完井是一种很好的增产控砂方式，其推广使用必将为天然气的防、控砂提供一条有效途径。

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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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