bung down是什么意思

用法例句

Casing Program Design and Drilling Operational Procedure in Well CCSD-1;

科钻一井套管和钻进施工程序设计技术

Research on Coring Technology in Well CCSD-1;

科钻一井取心钻进技术研究

The Sidetracking Design and Operation in Well CCSD-1;

科钻一井侧钻作业设计与施工

Reaming Techniques for Pilot Hole in Kezuan 1 Well;

科钻一井先导孔扩孔技术

Taking the applications of KSC-127 type of hydraulic operated hammers in the pilot hole coring section of Kezuan 1 Well as an example, this paper analyzes its working principals and rock cutting mechanisms.

以 KSC- 12 7型液动锤在科钻一井先导孔二开取心取进井段的应用为例 ,对液动锤的工作原理和破岩机理进行了分析 ,详细说明了液动锤在提高取心收获率和防止孔斜方面所起的关键作用 ,并对液动锤的发展前景进行了展望。

A General Introduction on the Drilling Operation and Techniques of the CCSD-1;

科钻一井钻探施工技术总论

Mud Technique Used for the First Spud-in in CCSD-1 Hole;

“科钻一井”一开泥浆技术

The Practice and Understanding of the Technical Concepts of the Scientific Borehole CCSD-1;

“科钻一井”主要技术方案实践与认识