关 键 词： 油井套管；非均匀外载；强度设计；实验 [gap=1158]Key words: oil-well casing; nonuniform load; strength characteristics; strength test
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实验结果表明：套管承受非均匀外载作用时其强度与承受均匀外压相比要低8 ~ 21倍。
The experiment results demonstrated that the strength of the casing under nonuniform load is 8 to 21 times lower than that under uniform load.
最后给出塔里木油田英买力地区第三系盐层在均匀和非均匀地应力条件下盐岩蠕变引起的套管岩压外载实例。
Finally, the examples of external load due to the salt creep in the tertiary of Yingmaili oil field have been performed under heterogeneous and homogeneous in-situ stresses.
载流线圈在非均匀磁场中由于受到的磁力矩和磁力都不为零，载流线圈除了发生转动外还要平动。
A current-carrying coil in non-uniform magnetic field is subjected to magnetic force and magnetic moment, it commits rotation other than translation.
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