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、超深井中严重的钻杆涡动是导致套管和钻杆磨损的一个重要原因，但对由此引起的套管磨损还缺乏有效的计算方法。
Based in Jiangsu province, the company makes casing, tubing and drill pipes for the oil- and natural-gas-exploration industry.
WSP总部位于江苏，主要生产油气勘探行业所用的套管、油管和钻杆。
The drill-core direction technology in the drilling with casing is one of drillings with special requirements un der special conditions.
套钻岩心定向技术是一项在特殊条件下有特殊要求的钻探。