套管磨损班轮 Casing wear liner
We analyzed the mechanism of the casing wear and used the anti friction joint that got a good result.
对套管磨损机理进行了分析,采用减磨接头,大大减轻了套管的磨损。 (5)胜利油田丰深区块存在很厚的岩膏层,围绕如何克服钻井中的问题,采用了一系列的措施,达到了预期效果。
参考来源 - 胜利油田丰深区块钻井技术研究In the former part, the paper is given a modified empirical formula, considering the casing wear as one of flaws in the casing itself. Comparing with other formulas, this formulas has a better calculation accuracy.
均匀外载剩余抗挤强度分析中,将套管磨损看成是套管自身缺陷,通过修正考虑内部缺陷的套管强度计算经验公式,得到一种新的求解磨损剩余强度的方法,具有很好的计算精度。
参考来源 - 套管磨损对深井套管柱安全可靠性的影响·2,447,543篇论文数据，部分数据来源于NoteExpress
计算了该井技术套管磨损量并描述了套管磨损形状。
The paper quantitatively studies the casing string wear and presents the worn casing string profile of the well.
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.
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。
Serious casing wear greatly reduces the collapsing strength and corrosion life.
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