In deep drilling process, casing wear is the problem that cannot be ignored.
在深井、超深井钻井过程中，套管磨损有可能导致套管封隔失效和油气井的早期报废。
Serious casing wear greatly reduces the collapsing strength and corrosion life.
套管磨损严重时，将使套管的抗挤毁能力和腐蚀寿命大大下降。
In order to lighten the losses by wear, it is essential to research casing wear deeply.
为了减轻磨损带来的损失，有必要对套管的磨损问题进行深入的研究。
Meanwhile, new ideas for researching casing wear mechanism and new methods to relieve casing wear are prop...
并提出套管磨损机理研究的新思路和减轻套管磨损的新方法。
Meanwhile, new ideas for researching casing wear mechanism and new methods to relieve casing wear are proposed.
并提出套管磨损机理研究的新思路和减轻套管磨损的新方法。
It is of great importance to carry on the research of casing wear prevention, prediction and handling technique.
进行套管磨损预防、预测与处理技术的研究具有十分重要的意义。
The thesis also studied that the effect casing strength of casing wear and corrosion, established casing residual intensity computational module after casing wear and corrosion.
论文研究了套管磨损、腐蚀对套管强度的影响，并建立了套管磨损后和套管腐蚀后的剩余强度计算模型。
Causes of casing wear and its effects on casing strength in drilling operations of deep well, ultra-deep well, extended reach well and horizontal well are analyzed in this paper.
分析了在深井、超深井、大位移井和水平井钻井施工中套管磨损的原因及对套管强度的影响。
For the extended well, high angle drilling, horizontal drilling and deep well drilling, or in the well section of large dogleg severity, or the long open hole, casing wear often happens.
在大位移井、大斜度井、水平井和深井钻井中，或者在狗腿严重度较大的井段，或者在技术套管下入后的长裸眼钻井过程中，常常出现套管磨损问题。
By using the elastoplastic finite element method, mechanical model for wear tension and internal pressure resistance of casing joints is set up.
采用弹塑性有限元方法，建立了套管接头磨损拉伸与抗内压的有限元力学模型。
The paper quantitatively studies the casing string wear and presents the worn casing string profile of the well.
计算了该井技术套管磨损量并描述了套管磨损形状。
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 this paper, the influence of casing eccentric wear with different diameter on casing collapse resistance capacity was researched by finite element software.
文章主要运用有限元软件，研究了不同钻杆直径造成的套管偏磨对套管抗挤毁能力的影响。
Finally, the buckled string will make multiple wear on casing, tubing and rod string.
油管屈曲造成套管、油管、抽油杆柱之间的多重磨损。
You can do basically anything here, just remember that the center of the wide end is what gets seen when you wear the finished bag, and some of the top edge will be folded over into a casing.
你可以在这里基本上什么，只记得，该中心是全结束时看到你穿得到成品袋，和上边缘部分会被折叠成一个外壳了。
The SB series impeller is designed to allow fluid leaving the impeller to blend with recirculating fluid to reduce abrasive wear of the casing.
该叶轮的设计允许从叶轮出来的液流与回液混和以减小泵的磨损。
The engine oil pump not only can prevent leaking, but also can reduce wear of the gear to parts of the casing of the engine oil pump, and prolonging the service life of the casing.
本发明不仅可以防止泄漏，而且可以减少齿轮对机油泵局部壳体的磨损，延长壳体的使用寿命。
The casing eccentric wear often occurred in deep and ultra deep well exploitation.
随着油田开采的不断深入，应用于深井、超深井的套管经常发生偏磨现象。
The casing eccentric wear often occurred in deep and ultra deep well exploitation.
随着油田开采的不断深入，应用于深井、超深井的套管经常发生偏磨现象。
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