长庆油田斜井防偏磨技术研究-中国天然气全景网 关键词： 斜井；偏磨；自润滑；涂层；油管[gap=1905]KEYWORDS： Deviated well； Eccentric wear； Self lubrication； Coating； Oil pipeline
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偏斜井 crooked well; deflect well; deflected hole; deflected well; deviated hole; deviated well; deviation hole; gone off hole 偏斜孔 deflected borehole; deviating hole; drifted borehole .
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deviated-well VSP 斜井垂直地震剖面法
deviated well completion design 斜井完井设计
highly-deviated well 大斜度井
deviated well bore 斜井井筒
highly-deviated well coring 大斜度井取心
deviated well vsp 斜井vsp
For this reason,the landing nipple without angle difference used for directional drilling of deviated well track is developed based on the previous landing nipple. The piston and main body of the previous nipple are improved by using splined piston matching structure,which overcomes the shortcoming of the previous nipple.
针对这种情况,在原有定向接头的基础上,研制出用于斜井轨迹定向钻进的无角差定位接头,即对原接头的活塞和主体加以改进,采用花键式活塞配合结构,克服了原定位接头的不足。
参考来源 - 用于斜井轨迹定向钻进的无角差定位接头·2,447,543篇论文数据，部分数据来源于NoteExpress
Wear of casing and too large torque are problems which can't be ignored when drill deep and super deep well, horizontal well and deviated well.
套管磨损和扭矩过大是钻深井、超深井、水平井和大位移井时一个不容忽视的问题。
In a vertical seismic profile, offset is the horizontal distance between the source and the wellhead or the surface projection of the receiver in the case of a deviated well.
在垂直地震剖面中，偏移距是震源和井口之间的水平距离。在斜井的情况下，偏移距是震源和检波器在地表的投影之间的距离。
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