In deep drilling process, casing wear is the problem that cannot be ignored.
在深井、超深井钻井过程中，套管磨损有可能导致套管封隔失效和油气井的早期报废。
Finally, the buckled string will make multiple wear on casing, tubing and rod string.
油管屈曲造成套管、油管、抽油杆柱之间的多重磨损。
Finally, the buckled string will make multiple wear on casing, tubing and rod string.
油管屈曲造成套管、油管、抽油杆柱之间的多重磨损。
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