The casing eccentricwear 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 eccentricwear, 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
In this paper, the influence of casing eccentricwear with different diameter on casing collapse resistance capacity was researched by finite element software.