Field mobile welding machine for drilling tool hardfacing;
野外可移动式钻具耐磨带堆焊专机
The Experimental device for erosion of drilling tool of gas drilling;
气体钻井钻具冲蚀磨损试验装置
Based on statistics and analysis from plenty of information on situation investigation on drilling tool failure and failure analysis data from oilfields,this paper all-round and systematically instates the status-quo,form and cause of drilling tool failure and prevention measure,which has important guiding significance to the drilling tool safety of com.
钻具的安全是安全高效地进行油气资源开发的基本条件和重要保障。
Drill tools have corroded seriously when they are used in the engineering of oil exploitation by Jiangsu Oil Field.
在钻井过程中,钻具的腐蚀相当严重,并且随着钻井方向向纵深发展,温度、压力、井层地质结构的变化等各种因素使得钻具的腐蚀破坏日趋严重。
auger with valve
(钻浅井用) 带阀螺旋钻具
drill ,electric, hand-held (incl. rock drills)
电动钻具,手持式（包括岩石钻具）
Diamond core drilling equipment conventional system
GB/T16950-1997金刚石岩心钻探钻具设备
weight-responsive bottom-assembly
对钻压敏感的井底钻具组合
Diamond core drilling equipment--Wire line system
GB/T16951-1997金刚石绳索取心钻探钻具设备
Selection of Drill Tool of Testing in Mixing Pile with Core Drilling Method
水泥土搅拌桩钻芯法检测钻具的选取
low speed high torque turbodril
低速大扭矩涡轮钻具
hand-held non-electric power-operated boring tools
手提式非电动机动钻具
BHA directional behavior
底部钻具组合定向特性
semipacked bottom-hole assembly
半封隔井底钻具组合
tools to tubing substitute
钻具连接油管的接头
Zublin drill guide
苏柏林式钻具导向器
multistabilizer BHA
多稳定器底部钻具组合
fully stabilized rotary assembly
全稳定的旋转钻具组合
three-dimensional bottomhole assembly model
三维井底钻具组合模式
Any of numerous hand tools for boring holes.
钻孔工具，手钻钻孔用的手持工具
A tool used for drilling.
钻头用于钻孔的工具
To make a hole with or as if with a drill.
钻孔用钻或类似钻的工具打洞