为更换钻头而进行起下钻作业的英文

• bit trips

• 为    support; stand for
• 更换    renewal; change; replace; tr ...
• 钻头    boring crown; bore bit; dril ...
• 进行    be in progress; be underway; ...
• 起    rise; get up; stand up
• 下    below; down; under; undernea ...
• 钻    drill; auger
• 作业    school assignment
• 强行起下钻作业    snubbing service; stripping-in operations
• 起下钻作业    round trip operations; tripping operation
• 为改变底部钻具组合而进行的起下钻作业    bha trips
• 为换钻头起下钻    bit trips
• 更换钻头    bit change
• 可更换钻头    interchangeable bit
• 过早更换钻头    premature bit change
• 进行短途起下钻    make a short trip
• 井下更换钻头式钻机    changeable bit drill
• 起下钻    make a trip; round trip
• 换钻头    bit change cambio de barrena; bit changing
• 用防喷器在压力下强行起下钻    stripping in and out of the hole
• 短起下钻    short trip
• 刮拭起下钻    wiper trip
• 划眼起下钻    wiper trip
• 扩眼起下钻    reaming trip
• 起下钻方式    trimode