1) drilling efficiency
钻效
1.
In coal geological exploration,low drilling efficiency problem is existed in strata of high hardness,weak grindability and high cementation,therefore,the glomerocryst diamond coring bit is developed.
煤田勘探中存在大硬度、弱研磨性、高胶结强度地层的低钻效问题,为此进行了聚晶金刚石取心钻头的研制。
2.
It has strongpoint of high drilling efficiency,short drilling period and less water consumption etc.
从应用效果来看,该方法的钻效是传统泥浆钻进的3-4倍。
2) drill stem failure
钻具失效
1.
In this paper,the basal contents and methods of the SVM technology are introduced and a drill stem failure learning model based on the SVM technology is established by learning small data samples to optimize the model in order to study the drill stem failure in drilling engineering.
针对钻具失效影响因素多,隐蔽性强的特点,提出了一种运用支持向量机技术分析钻具失效的新方法;建立了基于支持向量机技术的钻具失效模型,通过小样本数据优化,利用该模型对现场数据进行了模拟预测实验。
2.
The frequent drill stem failures were very important reasons for this phenomenon inthe oilfield after investigating.
究其原因，频繁发生的钻具失效是影响机械钻速低的一个重要原因。
3) drilling efficiency
钻探效率
1.
Discussion on the reason of influencing coalfield drilling efficiency and its countermeasure
浅谈影响煤田钻探效率的原因及其对策
2.
The article also argues about the problem of how to improve drilling efficiency in high elevation area.
我国西部高海拔地区由于自然条件恶劣,交通不便,给地质调查,特别是钻探作业带来很大困难,分析云南德钦羊拉高海拔地区钻探工程施工特点,对提高高海拔地区钻探效率进行了浅析。
3.
A new idea was put forward to increase drilling efficiency and time availability ratio,reduce hole acci- dent,decrease labor intensity in the complex formations.
介绍了通过对现有立轴钻机卡盘改进实现绳索取心钻进机上打捞内管总成、无让车加接钻杆的应用情况, 提出了利用现有立轴岩心钻机提高绳索取心钻探效率、减少复杂地层钻进施工孔内坍塌事概率、降低劳动强度及提高时间利用率的创新观点。
4) drilling monthly efficiency
钻月效率
1.
Based on contrast of operational techniques and drilling monthly efficiency of 12 drilling boreholes in Beizhang exploration area,then analyzed aspects of drilling equipment,bit and tool,borehole configuration,drilling fluid and technical parameter,some problems were found and corresponding countermeasures put forward.
通过北掌勘探区12个钻孔的施工工艺及钻月效率对比,从钻探设备、钻头钻具、钻孔结构、钻井液应用、钻探技术参数等方面分析,发现了一些问题,并提出相应解决对策,对今后在邯邢地区煤田孔施工,改进技术工艺、提高钻效具有现实意义。
5) drilling efficiency
钻井效率
1.
In order to improve the drilling efficiency and decrease the whole well .
为提高钻井效率,缩短建井周期,就钻井工程、泥浆及固井工艺等方面进行探讨,并提出下一步处理方案及建议。
2.
The advantages of gas drilling are: high drilling efficiency, effectively controlling formation damage, preventing from lost circulation and adhesive drill pipe sticking.
气体钻井的优点有:钻井效率高、有效保护油气层、防止井漏和黏附卡钻。
3.
Through investigation and test in several wells,measures to effectively control well deflection have been adopted,so the drilling efficiency has been largely improved,and drilling costs have been saved.
通过几口井的试验研究已形成了有效地控制井斜的工艺技术和方法,大大提高了钻井效率,节约了钻井成本。
6) infixing effect
钻穿效应
1.
Starting from the four concepts of orbit energy, energy class,shielding effect and infixing effect, the author uses the two commonly applied methods of caculation orbit energy to analyse and compare 4s orbit energy and 3d orbit energy.
本文从轨道能、能级、屏蔽效应和钻穿效应这四个概念入手 ,运用计算轨道常见能量的两种方法进行分析和比较轨道能与 3d轨道
补充资料：冻土钻(见取土钻)
冻土钻(见取土钻)
dongtuzuan冻土钻见取土钻
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条