casing tube

常見例句

When drilling starts, the reamer swings out and reams the pilot-hole wide enough for the casing tube to slide down behind the drill bit assembly.
鑿巖工作開始時(shí)，偏心擴(kuò)孔套沿中心導(dǎo)向鉆頭旋出，同時(shí)開始擴(kuò)孔以保證套管和鉆進(jìn)系統(tǒng)同時(shí)前進(jìn)。
The purpose of perforation is penetrating the casing tube, cement sheath and a certain depth of the formation and forming unhindered channels for oil and gas flowing into the well casing.
射孔目的就是射穿套管、水泥環(huán)和地層內(nèi)一定的深度，為地層的油氣流入至井筒，形成一個(gè)順暢的通道。
The new system has realized the communication and control for different kinds of computers. And the production capability of seamless oil casing tube with high additional value has improved greatly.
改造后的計(jì)算機(jī)系統(tǒng)順利實(shí)現(xiàn)異種機(jī)之間的通訊和控制，大幅度提高了高附近加值無縫石油套管的的生產(chǎn)能力。