1.
Both the derrick deviation and the wellheads eccentricity will cause the serious wearing of the casing (or casing protecting tube) close to the wellhead.
井架不正或井口偏心，会造成近井口套管（或套管防磨套）的磨损。
2.
The Application of High Temperature Wear and Corrosion Protection Coating Technology in Thermocouple Cannula
高温耐磨蚀涂层防护技术在热电偶保护套管上的应用
3.
The effect of casing abrasion and cement sheath's defect position on casing stress
套管磨损与水泥环缺陷位置对套管应力的影响
4.
It is advisable to fit all the ground glass joints with polytetrafluroethylene sleeves to prevent their sticking together.
最好把所有的磨光玻璃接头都装上聚四氟乙稀套管，以防止它们粘在一起。
5.
Study on residual strength of wearing casing in deep and ultra-deep wells
深井、超深井套管磨损后剩余强度分析
6.
Measures taken to prevent abrasion of the plunger in cylinder sleeve of a cryopump and to improve sealing performance
低温泵缸套柱塞防磨损和提高密封性的措施
7.
Study on formation and precaution of grinding thermal damage to bearing rings
轴承套圈磨削热损伤的形成与预防探讨
8.
Cause Analysis to Roll Sleeve Fracture of ZGM-113K Roller Type Medium Speed Disk Coal Mill and its Precaution
ZGM-113K辊式中速磨煤机辊套断裂原因分析及预防
9.
REFACING STONE MUST NOT CUT VALVE SHROUD
重新研磨的石料一定不要切削汽门管套
10.
Mechanism and affecting factors of casing wear during the process of testing
石油井下套管磨损机理与影响因素分析
11.
Experimental Research on Multilayer Casing-Cutting with Abrasive Water Jet
磨料射流切割多层套管技术的试验研究
12.
Selection and application of side wearing resistant tools for rods and pipes of rod pumped wells
抽油机井杆、管防偏磨工具优选与应用
13.
Anti-Eccentric Wear and Anti-Wax Technique for UHMWPE Lined Composite Pipe
超高分子量聚乙烯内衬复合管防蜡防偏磨技术
14.
Not-slip lace: Not damaged unnecessarily by friction with the upper and tight the shape of the shoe while walking.
防滑鞋带:可以避免不必的鞋面磨损,行走时能套牢鞋子的形状.
15.
Study on Analysis of Collapse Resistance and Prevention of Casing Damage in Perforating Interval;
油井套管抗挤能力分析及如何防止油层套管损坏
16.
Influence of vibration load of oil pumping unit on the camber wear of rod tube and its prevention.
抽油机井振动载荷对杆管偏磨的影响与防治
17.
Erosion Wear Behavior of Slotted Screen Liner for Sand Control
石油防砂割缝筛管的冲蚀磨损性能研究
18.
Stress Analysis of Worn Casing under Heterogeneous External Pressure
非均匀外挤压力作用下内径偏磨套管的应力分析