刚柔钻具组合
flexible bottom hole assembly
铰接式钻具组合
hinged bottom hole assembly
减压钻具
decompression drilling tool
积木式组合涡轮钻具
cordwood-type compound turbodrill
合金钢钻具
drilling rig of alloy steel
隔水单动双管钻具
water insulation and single rotary and double tube drilling tool
高风压钻具
high-pressure drillingrig
刚性满眼钻具组合
rigid packed hole assembly
刚性的下部钻具组合
stiff bottom hole hook up
复式涡轮钻具
double-section turbodrill