掉落在孔内的套管组的英文

• string of lost casing

• 在    exist; be living
• 孔    hole; opening; aperture
• 内    inner; inside; within
• 的    4次方是 The fourth power of 2 i ...
• 套管    drivepipe; annular tubes; br ...
• 组    group
• 几段不同套管组成的套管柱    graduated string
• 孔内的    down the hole; downhole
• 鼻孔内的    intranarial
• 凹陷的套管    dented casing
• 带眼的套管    perforated casing
• 堆下的套管    logy casing
• 封固的套管    cemented casing
• 挤扁的套管    collapsed casing
• 铆接的套管    rivelted casing; riveted casing
• 套管组合    casing layout; casing program
• 大楼内的套间    hall closet
• 带阀的套管头    control casing head
• 断裂的套管柱    parted casing
• 难下的套管柱    logy casing; logy string
• 涂油脂的套管    greased sleeve
• 有射孔的套管    perforated casing
• 注水泥的套管    cemented casing
• 落进孔内的钻具    lost tools
• 出事故时全部钻具丢在孔内    lose everything but the boiler in the hole