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
5″防爆全站仪井下
5″anti-explosion total station
电子式井下仪器投放仪
Electronic Throwing in Apparatus for Down Hole Instrument
喷射式过油管下井仪
ejector-type through-tubing tool