新43/4in旋转导向系统与高性能钻井马达结合减小了小直径钻杆旋转钻井的风险
신43/4in선전도향계통여고성능찬정마체결합감소료소직경찬간선전찬정적풍험
New 4 3/4in Rotary Steerable System is Combined With a Performance Drilling Motor to Reduce Risks Associated While Rotary Drilling With Small-Diameter Pipe
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