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济宁３号井为特大型现代化矿井，其副井利用永久井架凿井中，针对井筒断面大、机械化配套齐全、吊盘荷载大、永久井架平台可利用面积小、地面布置空间狭窄等条件限制，采取了一整套合理优化布置设计，取得了较好效果。
Jining No.3 well is a large-scale modernized mine whose auxiliary wells are drilled in a permanent derrick. Due to the large cross-section of the wellbore, complete mechanical mechanization, large load on the hoisting platform, small usable area of the permanent derrick platform and narrow space layout on the ground, A set of reasonable layout design optimization, and achieved good results.