DRILLING JAR ACCELERATOR AND SHOCK TOOL.
震击器，震击加速器。
The drilling tool should be measured precisely.
请准确丈量钻具。
So it is novel tool for drilling of large diameter spiral.
从而，为大口径螺旋钻施工提供了一种新型钻具。
Angle measuring MWD tool is widely used in field well drilling.
随钻测斜仪在钻井现场中应用相当广泛。
Application of Conventional Drilling Tool in High Maintain Angle Section
常规钻具在大稳斜段井中的应用
The problem of extracting drilling tool wears character signal is studied.
研究了钻削过程中刀具磨损特征信号的提取。
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
Analysis and Study on High Voltage Cablehead of Drilling Sidewall Coring Tool
钻进式井壁取心器用马笼头的分析研究
A key tool of drilling multilateral horizontal well is retrievable whip stock.
钻多分枝水平井得关键工具是可回收式斜向器。
Logging tool sticking often occurs during drilling operation in Zhongyuan oilfield.
在中原油田，测井阻卡是钻井施工中常遇到的现象之一。
Rudiments of Feasibility on Reducing Adhesion and Resistance of Drilling Tool by Bionics
开发减粘降阻仿生钻具的可行性
Drilling tool's working security is one of the important technical target of safety drilling.
井下钻具的工作安全性是安全钻井施工的重要技术指标。
It is a new type of up jarring tool used in oilfield, geological exploration and drilling operation.
它是石油、地质勘探钻井工程中新型的向上震击工具。
The structures and tool grinding features were analyzed and vibration drilling experiments were done.
分析了该钻头的结构和刃磨特点，进行了振动钻削试验。
a pointed and threaded tool for drilling and boring that is secured in a brace, bitstock, or drill press
曲柄, 钻柄或钻床之上用于钻孔的尖头工具
A pointed and threaded tool for drilling and boring that is secured in a brace, bitstock, or drill press.
钻头曲柄，钻柄或钻床之上用于钻孔的尖头工具
The torsional strength of the drilling tools can be greatly increased by using the double shoulder tool joint.
双台肩钻具接头可大幅度提高钻具的抗扭强度。
Sand pile drilling test adopted mod counterfort to prevent burying the drilling tool by the borehole from collapsing.
砂桩钻孔检测为防止塌孔埋住钻具，采用泥浆护壁。
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