Sand plug always occurred during fracturing in slant well or directional well.

斜井或定向井在压裂过程中,经常因出现砂堵导致施工失败.

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In the directional well ( well ) drilling meet those difficulties?

在定向井 ( 水平井 ) 钻井中会遇到那些困难?

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Directional Well, as a very important drilling method, has gained great attention.

定向井作为一种非常重要而又实用的钻井方法, 也受到了极大的关注.

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Do you acquaint with directional well craft the technique? Yes, know some. So so.

你熟悉定向井工艺技术? 知道一些. 马马虎虎.

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The stability of directional well depends on the formation dip and trend, deviation and direction.

对斜井来说,地层走向 、 地层倾角、井斜方位和井斜角不同,其井壁稳定性也不同.

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The wells through weak - face formation in directional well are apt to be unstable.

研究结果表明,弱面地层的存在易使井壁失稳.

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