casing drill-in

基本解釋

Severe drill-pipe revolution in deep well?ultra deep well is a main cause of casing wear and drill-pipe wear.
深井、超深井中嚴(yán)重的鉆桿渦動(dòng)是導(dǎo)致套管和鉆桿磨損的一個(gè)重要原因，但對(duì)由此引起的套管磨損還缺乏有效的計(jì)算方法。
Based in Jiangsu province, the company makes casing, tubing and drill pipes for the oil- and natural-gas-exploration industry.
WSP總部位于江蘇，主要生產(chǎn)油氣勘探行業(yè)所用的套管、油管和鉆桿。
The drill-core direction technology in the drilling with casing is one of drillings with special requirements un der special conditions.
套鉆巖心定向技術(shù)是一項(xiàng)在特殊條件下有特殊要求的鉆探。