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1·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。

2·Precision machining pump body can make d type bearings and gear axle, ensure accurate gear axis gear eccentric wear, not to.

精密加工的泵体可使“D”型轴承与齿轮轴精确配合，确保齿轮轴不偏心，以防齿轮磨损。

3·Motor upper and lower guide bearing wear limit, to replace the bearings, rotor shaft eccentric wear limit, to replace bushings;

电机上下导轴承磨损极限，要更换轴承； 转子上下轴套偏磨极限，要更换轴套；

4·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。

5·The company has advanced technology, in particular, a two-way protection against eccentric wear pumping coupling of anti-wear alloy coating technology, a world leader.

公司拥有先进的技术，特别是双向保护抽油防偏磨接箍的合金涂层防磨技术处于世界领先水平。

6·As the eccentric wear of pumping rods occurs in the high Angle deviated intervals with higher probability, so centralizer should be taken technical measure as encryption.

大斜度井段抽油杆发生偏磨的概率较大，应采取扶正器加密的技术措施。

7·In complicated fishing operation, the tubing is very likely to deform, burst and tear owing to eccentric wear, thereby a kind of fishing spear with sliding cone blocks is developed.

针对复杂打捞中偏磨油管打捞时易变形、胀破或撕裂的难题，研制出特殊滑牙块打捞矛，打捞矛由上接头、矛杆、滑牙块、锁块、销钉、外筒等组成。

8·The result shows that the eccentric wear of tubing greatly decreases the deformation resistibility capacity and the two-side eccentric wear of tubing leads to more serious tubing failure.

结果表明，油管偏磨大大降低了油管抵抗变形的能力，尤其油管双面偏磨更容易导致油管失效。

9·In the construction process of oil and gas drilling, the joint drill wear, eccentric wear and threaded partial adhesion caused drilling damage and then evolved into the major mine accidents.

在石油天然气钻井施工过程中，常常造成钻具接头磨损、偏磨及丝扣粘连，这是引起钻具损坏进而演化为井下事故的主要原因之一。

10·The utility model can efficiently prevent air locking phenomena and the eccentric wear of the plunger, increase the production quantity of raw oil and extend the service life of the oil well pump.

本实用新型可有效地防止“气锁”和 柱塞偏磨，提高原油产量和抽油泵的使用寿命。