From the point of view of seepage flow, sidetracked well is similar to horizontal well, thus, the open hole well composite reservoir test model can not be adopted.

从渗流角度讲，侧钻井是水平井渗流的一种近似，因此不能沿用裸眼井复合油藏试井模型。

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From the point of view of seepage flow, sidetracked well is similar to horizontal well, thus, the open-hole well composite reservoir test model can not be adopted.

从渗流流态讲，侧钻井是水平井渗流的一种近似，因此不能沿用裸眼井复合油藏试井模型。

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The annular clearance was also enlarged, thus the thickness and strength of the cement sheath was increased, and the oil well life of the sidetracked slim hole was also prolonged.

扩孔加大了环空间隙，固井后水泥环厚度和强度增大，可以延长侧钻小井眼油井寿命。

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