柔性井下测井系统
flexible downhole logging system
双感应-八侧向测井下井仪
dual induction-laterolog-8 equipment
双感应聚焦测井下井仪
dual induction focused log instrument
微球形聚焦测井下井仪
MSFT
micro-spherically focused tool
气体介质钻井测井
logging of gas medium drilling
深井钻井技术
deep well drilling technology