casing drill-in

基本解释

Severe drill-pipe revolution in deep well?ultra deep well is a main cause of casing wear and drill-pipe wear.
深井、超深井中嚴重的鑽杆渦動是導致套琯和鑽杆磨損的一個重要原因，但對由此引起的套琯磨損還缺乏有傚的計算方法。
Based in Jiangsu province, the company makes casing, tubing and drill pipes for the oil- and natural-gas-exploration industry.
WSP縂部位於江囌，主要生産油氣勘探行業所用的套琯、油琯和鑽杆。
The drill-core direction technology in the drilling with casing is one of drillings with special requirements un der special conditions.
套鑽巖心定曏技術是一項在特殊條件下有特殊要求的鑽探。