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详细介绍了侧钻小眼井的环空特点及岩屑运移规律 ,分析了侧钻小眼井的憋泵原因和岩屑床形成机理 ,提出了提高小眼井携岩洗井的技术方法。其中优选出的钻井液性能参数和设计制造的“二次破岩除床器”应用于胜利油田 1 0多口侧钻小眼井的钻井施工中 ,取得了很好的效果。
The characteristics of annulus and the movement of cuttings in small sidetrack well are introduced in detail. The cause of holding pump and the formation mechanism of cuttings bed are analyzed. . One of the preferred drilling fluid performance parameters and the design and manufacture of “secondary rock breaking bed separator” used Shengli Oilfield more than 10 sidetrack drilling of small-hole drilling, and achieved good results.