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Terms for subject Drilling containing drill collar | all forms | exact matches only | in specified order only
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annular velocity, drill collars钻铤部分环空流速
annular velocity out of drill collars钻铤部分环空流速
decentralized drill collar偏心钻铤
drill collar assembly钻铤组合
drill collar compound钻铤丝扣油
drill collar groove钻铤间应力槽
drill collar mill钻铤磨鞋
drill collar sub钻铤与钻杆间的配合接头
drill collar torque钻铤扭矩
grooved drill collar螺旋钻铤
heavy metal drill collar重金属钻铤
indented drill collar带孔偏重钻铤外表一侧有一列圆坑
laid down drill collars下入钻铤
laid down drill collars甩钻铤
laid down drill collars放倒钻铤
laid-down drill collar甩钻铤
laying down drill collars放倒钻铤
minimum drill collar diameter最小钻铤直径
nonmagnetic drill collar无磁钻铤
non-magnetic drill collar非磁性钻铤
open hole/drill collar annulus裸眼钻铤段环空
oversize drill collar加大尺寸的钻铤
pony drill collar短钻铤
regular drill collar spear普通钻铤打捞矛
short monel drill collar短无磁钻铤
short monel drill collar无磁短钻铤
short monel drill collar短蒙乃尔钻铤
shouldered drill collar有台肩的钻铤
slick drill collar普通钻铤
slim hole drill collar spear小井眼钻铤打捞矛
smooth drill collar普通钻铤
smooth drill collar光钻铤
steel drill collar普通钻铤
steel drill collar钢钻铤
tapered drill collar string塔式钻铤串
turn-down drill collar减小外径的钻铤
Wood Pecker drill collar"啄木鸟"钻铤
Wood Pecker drill collar偏重钻铤

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