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- When was the first offshore oil well drilled? 第一口滨海油井是什么时候打的钻?
- Abstract: In this paper,designs for foundation pit drainage,concrete pouring as well as side wall form,etc in shaft well construction are discussed. 文摘:介绍了竖井施工中有关基坑排水、混凝土浇筑以及侧壁模板等设计问题。
- I have no idea of their having found a better drill bending stress. 我没听说他们找到了能抵抗高弯曲应力的好钻杆。
- Through research, the designed scheme of upward excavation and concrete placement in adit was changed to downward excavation and stratified concrete placement for structural blocks of wide shaft well, fullfiling the design requirement. 为此,经研究将原设计的由下向上平洞开挖浇筑混凝土方案改为以宽竖井为结构分块单元的由上向下开挖和由下向上分层浇筑混凝土的施工方案,达到了设计效果。
- 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。
- A new type of mud pump with high flow, high pressure, compactness and light weight is designed for truck mounted water well drill rig, tackling the difficulty in mud pump matching. 为车装水文水井钻机设计大流量、高压力、小体积、小质量的新型泥浆泵，解决其泥浆泵配套难的问题。
- The break of gear shaft teeth in well drilling pump was analyzed by chemical composition analysis,mechanical properties test,metallographic microstructure examination and macro and micro-fractography. 用化学成分分析、力学性能测定、金相组织检验以及断口的宏观、微观分析等方法,对钻井泵齿轮轴断齿进行了分析。
- In drilling exploration and well drilling Industry, the drilling pipe and drill collar are key apparatus. 钻杆和钻铤等管状螺纹连接件，是钻探和石油钻井工业中的关键设备。
- An oil or natural-gas well drilled in an area not known to be productive. 野猫井，初探井在未知是否产出的地区钻探的油井或天然气井
- shaft well irrigation and drainage 竖井灌排
- An exploratory oil well drilled in land not known to be an oil field. 不是在所知的油田开采的探险的油井。
- A shaft on which a working tool is mounted, as in a dental drill. 心轴用于安装工具的蕊棒，如牙钻蕊棒
- prefabricated arc board of shaft well 预制弧板井壁
- The jet action can largely improve ROP during oil/gas well drilling. 摘要在油气井钻进过程中，射流对井底的作用可大幅度提高钻速。
- Break analysis of the centre tube of well drill 立井钻机中心管的断裂分析
- I am well aware that this is a tough job. 我深知这是一件棘手的工作。
- One who is engaged in speculative mining or well drilling in areas not known to be productive. 野猫钻井者，盲目开采油井者从事在资源依据不足的地区冒险性采矿或钻井
- Of, relating to, or being an oil or natural-gas well drilled speculatively in an area not known to be productive. 野猫井的，初探井的在不知是否产出的地区投机钻探的油井或汽井的，与此相关的或作为此的
- Aluminium well drilling pipes are product deveoloped and patented by Reynolds Metals Company of USA. 铝钻探管以其优良的钻探特性广泛应用于海洋和沙漠石油开采中。
- A slot for a key in the hub or shaft of a wheel. 键槽轮子的毂或轴里的键的沟槽
- 今日热词
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- 深远海浮式风电平台 - deep-sea floating wind power platform
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- 京雄高速公路 - Beijing-Xiongan expressway
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- 农业及相关产业增加值 - the added value of agriculture and related industries
