It isn ? ? t influenced by the dirty on the borehole wall, and has high successful ratio.

该方法不受井壁结垢、油污等影响, 测试成功率高.

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It'showed that eccentric pressure is produced by eccentric decouple charge blasting on borehole wall.

实验结果表明,偏心不耦合装药在孔壁上形成明显的偏心应力场.

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