摩托车手是“疏忽性失明”（inattention blindness）最好解释，他们整日在那些只看“车”的司机中钻来钻去。
Motorcycle riders best understand "inattention blindness," as they are nearly drilled daily by drivers who only "see" cars.
每个在人群中钻来钻去的小孩都成了她弟弟提利昂，就像乔佛里死时一样嘲讽地看着她。
Every child squirming through the crowd became her brother Tyrion, jeering at her as he had jeered when Joffrey died.
在绢云母石英片岩中开挖隧洞，使用多臂钻造孔爆破，出现钻孔有规律的弯曲现象，影响了钻爆速度和成洞质量。
When we dig a tunnel in sericite quartz-schist with dobby drills, regular bending of the boreholes appears, which affects drilling speed and the borehole quality.
由于螺杆钻具本身具有良好的动力特性，在套管内侧钻中得到广泛应用。
Positive displacement motor is widely used in sidetrack drilling inside casing because of its excellent dynamic characteristic.
结果表明，井底温度高、钻具存放及钻井过程中的腐蚀和地层可钻性级值高且断层多，是该地区钻具失效的主要原因。
The result shows that the main reasons are high bottom hole temperature, corrosion of drilling tool during storage and drilling process, high value of formation drillability, and multi-fault.
利用偏心钻具在旋转过程中的离心力和偏心短钻铤的偏重带的支撑作用，减小了钻头轴线倾角，从而减少了井斜。
By taking advantage of rotating centrifugal force and the supporting effect of eccentric short drill collar, we cut off the axis inclination of bit, and avoid well inclination.
钻井过程中，近钻头处钻压、扭矩等钻井工程参数的随钻准确测量对安全、高效钻井是十分重要的。
The measurement of engineering parameters near the bit while drilling is of significant importance for the safety and efficiency in a drilling process.
麻花钻普通钻削中，孔轴线的偏斜和孔径的扩大是影响其加工精度的主要问题。
In general drilling, axes decline and diameter enlarged of the hole are the main problems to affect the precision of machine tooling.
钟摆钻具是一种常用的纠斜钻具组合，在钻井中应用极为广泛。
Pendulum assembly is a kind of BHA for hole straightening, which is applied widely in drilling practice.
所以在钻井作业中采用减震器，对于延长钻头使用寿命，加快钻进速度、克服严重跳钻、保证正常钻井、保护地面设备及钻具是十分可靠的。
Taking use of the shock absorber, it can raise the service life for drill bit and drill tool, speed up drilling, get rid of drilling jumping, well protect surface equipments and drilling tools.
考虑到垂直井中钻柱受拉段在旋转时的转动效应，建立了顶部悬挂、受分布浮重作用的旋转细长钻柱的分岔微分方程。
Taking into account the rotating effect of the drillstring, this paper presents a bifurcating differential equation for the rotating slender drillstring being in tension in vertical well section.
采用人工神经网络模型中BP模型对现场的钻井工况进行卡钻预测，并开发了人工神经网络实时卡钻预测系统软件。
BP model in artificial nerve net model is adopted to predict stuck operating mode in drilling well and artificial nerve net software in predicting system is developed in the paper.
通过分析定向井使用常规钻具组合的局限性，提出在冀东油田定向钻井中引入导向钻具的必要性。
This paper gives the necessity of using steering drilling tool in directional well drilling in Jidong Oilfield through the analysis of the limits in using conventional BHA.
现场钻具失效资料的统计分析表明，在钻具失效事故中稳定器失效占有很大一部分。
The statistics of drill tool failures from the oil field shows that failures of the stabilizer are large part of failures of drill tool failures.
方钻杆用于传递转盘或者方钻杆补心的旋转运动到钻柱上去，并允许钻柱在上提或下放的过程中旋转。
The kelly is used to transmit rotary motion from the rotary table or kelly bushing to the drillstring, while allowing the drillstring to be lowered or raised during rotation.
随钻震击器是连接在钻具中随钻柱一起进行钻井作业的井下解卡工具。
The drilling jar which is connected with drill tool and worked with drill string is a downhole stuck freeing tool in drilling operation .
通过分析长螺旋钻机在切削各类土质时，钻具的角速度与土块运动机理关系，提出确定钻具临界的方法，而工程施工中钻杆的实际转速应大于临界转速，以提高钻机的工作效率。
An analysis related to various kinds of soil cutting by earth auger, this paper puts forward that running speed of frill should be faster than critical speed so as to increase the efficiency of drill.
在优化设计随钻扩眼组合和实际施工作业中，应充分重视钻具组合的强度问题。
So RWD string's strength should be fully attached importance to in optimization RWD designs and in the actual construction works.
利用多轴组合钻解决瓶颈结构中螺孔的钻削问题，以提高劳动生产率，满足零件大批量生产的需要。
Describes how to solve the problems of drilling and cutting for screws in the structure of bottle neck, to improve production rate and meet the demand of batch production for spare parts.
在钻具失效事故中，钻铤的疲劳失效尤为突出。
In the event failures of boring tools, the fatigue failure of the drill collar is especially prominent.
目前在瓦斯抽放中急待解决的问题是软煤层瓦斯抽放的打钻技术，尤其是深孔打钻技术。
At the present, the problem which is urgently to be solved in gas discharge is the drilling technology in soft coal seam gas discharge, especially the drilling technology of the deep hole.
通过使用数字显微镜跟踪观察旋转超声钻削过程中金刚石工具表面形貌变化，研究了旋转超声钻削先进陶瓷过程中的工具磨损机理。
The tool wear mechanism is studied by using a digital microscope to observe the topography of the diamond tool in RUD of advanced ceramics.
钻铤螺纹联结失效是钻铤失效的主要因素，在整个钻具失效事故中占很大比例。
The fatigue failure of drilling collar thread linking is a main factor of the drill collar failure, which accounts for a large proportion of the accidents in the drilling tool failure.
油田钻井过程中，钻压、扭矩等是司钻人员必须掌握的重要参数。
In the oil exploitaion, drilling pressure and drilling moment are very important parameters for operator, and he must be very experienced with them.
建立了直井中钻柱屈曲的平衡方程及对应的泛函表达式，并首次采用有限元法对斜直井中钻柱屈曲的整个过程进行了分析。
The entire buckling process of tubing in deviated wells is analyzed for the first time by utilizing the finite element method.
在钻井施工作业中，螺杆钻具常因砂卡导致螺杆马达工作失效，导致螺杆钻具报废，严重影响了正常钻井作业。
During drilling process, screw drill motor sometimes doesn't work properly or even seriously damaged because of sand jamming.
通过对钻井过程中泵压、张力变化及机械钻速的分析，指出了超短半径侧钻水平井钻井技术存在的主要问题。
Based on the analysis of pump pressure, tension variation, and drilling speed, the existing problems of ultra-short radius side tracking horizontal well were presented.
本文以石油钻柱为研究对象，针对常见的中井钻柱的力学特性及动态振动进行深入研究。
This paper takes oil drilling for the research objective, researching for mechanical parameter and vibration parameter of oil drilling.
钻柱振动是在当前钻井工程中的普遍现象，对钻井的影响很大，钻柱共振是钻柱失效的主要原因。
Drill string vibration is a common phenomenon in the process of well drilling. Drilling string resonance is the main reason of the drilling string failure.
试验过程中，通过在不同地层、不同井眼尺寸条件下应用不同的偏轴钻具组合方式，研究偏轴钻具的防斜能力。
In oilfield experiment several different kinds of offset-axes bottom-hole assembly are applied in various formation and borehole size in order to study deviation controlling ability of it.
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