Drilling相关论文
A stuck drill string results in a major non-productive cost in extended reach drilling engineering.The first step is to ......
The phase transition, from asubcriticalstate to a gaseousstate, of the natural gas with high H_2S content and thesolubil......
The hydrate phase transition presents new problems and challenges for the deepwater well control in the drilling process......
Based on analyzing method of large diameter hard rock drilling at home and abroad, the authors proposed a set of drillin......
Tool waves, also named collar waves, propagating along the drill collars in acoustic logging while drilling(ALWD),strong......
多晶硅的制造工艺日趋成熟,成本不断降低,在太阳能电池的制造中应用越来越广泛;激光加工技术效率高、消耗低,在太阳能电池制造领域......
An optimized transducer prototype with a sandwich structure vibrated longitudinally is proposed for a transmitter in aco......
高效、高质量的制孔是航空航天用碳纤维复合材料机械加工的基本要求。本文采用直径为3 mm的纳米金刚石涂层硬质合金钻头钻削T300碳......
文章介绍了一种能满足小井眼钻井、定向井、侧钻井及修井等作业的全液压驱动方式的钻修两用顶部驱动装置的结构特点、工作机理和结......
该文从挂篮荷载计算、施工流程、支座及临时固结施工、挂篮安装及试验、合拢段施工、模板制作安装、钢筋安装、混凝土的浇筑及养生......
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Weight reduction is a key driving force for materials development in aerospace industry,which leads to extensive usage o......
为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......
Permittivity of composites used for Luneburg lens antennas by drilling holes based on 3-D printing t
Due to the attractive performances such as the ability of beam focus,broadband,multi-beam scanning and other features,Lu......
为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......
介绍了随钻仪器防震设计的常用方法，并根据实际需求，提出一种新的抗震隔振方法--液压减振器。为随钻仪器中精密部件的抗震设计提供一......
以某矿区河床塌陷治理实例，阐述从河床两侧施工垂直钻孔，灌注水泥浆液，充填河床底部土层裂隙和空洞，稳固土体、加固河床的技术方法。......
穿孔、爆破是露天开采基础且重要的两个环节，且占开采成本的很大比例，针对司家营铁矿穿孔废孔率高，炸药消耗大问题，通过加强穿孔管理降......
本文结合郑西客专高桥隧道下穿南同蒲铁路施作100m长大管棚施工实践，系统介绍了该技术的工艺原理、工艺流程及操作要点，指出该技术成......
钻削过程中切削变形问题直接影响到钻削效率和孔加工表面质量 .通过对切屑变形系数的测量 ,详细分析了钻削过程中的切削变形情况 ;......
深孔的钻削加工过程中,经常生成带状切屑,堵塞在孔内,对加工质量产生影响,特别是经常发生卡钻或断钻事故.如在钻削过程中,对切屑进......
Due to specific properties arising from their structure (high ductility, high toughness,strong tenacious and low heat co......
Applications of Cr-Based Metal Nitride Hard Coatings Using Multi-Magnetron Sputtering Sources and El
Cr-based nitride hard coatings were produced by multi-magnetron sputtering sources using elemental metal materials. Cr, ......
基于刀具磨损和钻孔尺寸误差等多个性能指标，对B4C颗粒增强铝合金切削加工参数进行评估和优化。通过Taguchi的L27，3水平4因子正交阵......
目的 采集新鲜猪股骨干不同骨质层和骨段的钻削进给力数据,为骨科虚拟现实手术系统钻削力反馈信号的输出提供依据.方法 改装万能材......
阐述超临界CO2流体物理特性,分析超临界CO2射流在喷射钻井、喷射压裂、驱油提采、冲砂解堵和油套管除垢等作业中的原理和技术优势,......
钻孔抽采煤矿井下瓦斯,是我国煤矿业高效治理、预防瓦斯灾害的重要措施。为深入探讨井下瓦斯定向抽采钻孔技术在提高煤矿安全性中......
Based on analyzing method of large diameter hard rock drilling at home and abroad, the authors proposed a set of drillin......
Objective To compare the effect of chemomechanical caries removal (CMCR) to traditional drilling (TD) on blood pressure ......
在厚覆盖层的第四系地层钻探施工中，因地层岩性的不稳定性，生产中容易发生钻探事故。本文结合某厚覆盖层矿区钻探施工遇到的几起事故......
由于中国南海海域海况十分恶劣,浮式钻井生产储油轮(FDPSO,Floating,Drilling,Production,Storage and Offloading vessel)定位方......
根据工程案例,重点介绍了复杂环境下深基坑基础与主体施工时的深基坑拆撑、换撑施工。...
针对动力定位钻井平台在发生开关故障跳闸或者发电机意外停机时,如何快速降低电网负荷,避免其他在线发电机欠频或过载的情况进行研......
建立了钻削加工仿真模型,并采用麻花钻对钛合金进行振动钻削试验。利用ABAQUS软件进行轴向超声振动钻削仿真,试验验证和对比分析了......
本文以天津潘庄凸起区地热资源调查项目CGSD-1井为切入点。通过在天津东丽湖地区实施深层地热勘探井钻完井工程,摸清该地区的地质......
