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- Study of development of numerical drilling system information source 数字化钻井系统信息资源的开发利用问题研究
- numerical drilling system 数字化钻井系统
- The flourishing top-drive drilling system in the past 20 years has accomplishes a historic leap of rig modernization. 20多年来世界上蓬勃发展的顶部驱动钻井装置，实现了钻机现代化的历史性跨越。
- The forming mechanism of the bias force is the key to the study of the modulated steerable rotary drilling system. 导向力的形成机理是研制旋转导向工具的核心。
- Weatherford casing drilling system, then only a single time, there is no drilling from the time the next drill. 威德福套管钻井系统则只有接单根的时间，没有起钻下钻的时间。
- Its drilling system uses a 380-ton protective casing over the wellhead that is about the size of a six-story office building. 它的钻探系统采用了重380吨、约六层办公大楼大小的保护罩（防爆装置）来保护井口。
- The measurement of the drilling inclination is the key of the system success-fail in the VDS (vertical drilling system) controlled by microcomputer. 摘要在微机自动控向垂钻系统中，钻孔的倾斜角测量是系统成败的关键因素。
- Model DQ70BS top drive drilling system (TDDS)is developed based on Model DQ60D and Model DQ60P DC TDDS and Model DQ20Y hydraulic TDDS. 摘要在DQ60D、DQ60P直流电顶驱和DQ20Y液压顶驱的基础上，研制了DQ70BS交流变频顶部驱动钻井装置。
- A new scheme which is baed on variable parameter vibration drilling for different hole part and a variable parameter vibration drilling system is built up. 首次提出在每个孔加工的不同区段采用不同参数的变参数振动钻削的新思路，并建立了变参数振动钻削系统。
- The differentiae between the different horns are analyzed with examples, and the compound horn is commended to be used when designing the ultrasonic vibration drilling system. 用实例分析了几种变幅杆的不同点,并指出设计超声振动钻削声学系统时推荐采用复合变幅杆。
- The closed loop control of the stabilizing platform on the rotary steering drilling system is the key technique of the modulating rotary steering drilling system. 旋转导向钻井工具稳定平台的闭环控制是调制式旋转导向钻井系统的关键。
- Drilling riser is the key equipment for oil and gas development in deep water.The motion of floater in drilling system and wave load may lead to fatigue failure. 钻井隔水管是深水油气田开发的关键装备，钻井系统浮体运动与波浪载荷可能导致隔水管的疲劳失效。
- Ho, R. G. (1999). Adaptive drill system: A neural network approach. Paper submitted to the Proceedings of the National Science Council, Part D.(Coauthor: Wang, Hsu-Yie). 何荣桂(1999)。适性测验题库之品质管理策略。国家科学委员会研究汇刊：人文与社会科学，9卷，4期，页630-652。(共同作者：陈丽如
- The basic conditions of verifying bore in Wutunsuo mine, plans of rectifying deviation, installation and use of MWD directional drilling system, and problems encountered in construction are narrated. 摘要叙述了武所屯井检孔的基本情况，钻孔纠斜方案，MWD定向钻进系统安装与使用以及施工中遇到的问题和解决办法。
- Surrounding the topic of technology on Virtual Prototype(VP) and Product Data Management(PDM), this paper studies the relational theory and technology about the VP and PDM of the Top Drive Drilling System(TDS), then develops and carries out it. 本文紧紧围绕虚拟样机(Virtual Prototype,VP)技术和产品数据管理(PDM)技术这一主题,对石油顶驱钻机虚拟样机原型系统和PDM系统所涉及的相关理论和技术进行了研究和应用实践。
- A series of advanced technologies are applied,e.g.,DC electric rig,stepless speed regulation pump and top drive system,steerable drilling system,powerful downhole motor,and advanced drill bit. 该井采用了直流电动钻机、无级调速泵及顶部驱动装置、导向钻井系统、大功率优质马达、优质钻头等一系列先进工艺，经科学论证与施工，取得了满意的效果。
- Considering modern drilling technology,the feasible types,characteristics and developing background of underground closed loop drilling system have beed analyzed synthetically in this paper. 根据现代钻井工程技术的发展规律，综述了井下闭环钻井系统的可行方案、主要特征及技术发展背景，给出了井下闭环钻井系统的分类和适用范围。
- Put these invoice in numerical order. 把这些发票按其号码顺序放好。
- The essence of underbalanced drilling is pressure control drilling.To realize pressure control drilling requires to establish cycle drilling system and to maintain the undervoltage condition. 欠平衡钻井的实质是压力控制钻井，要实现压力控制钻井就必须建立带压循环钻井系统和维持欠压条件。
- The drilling troops mustered on the hill. 演习部队在小山上集合起来了。
