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- well drilling cycle 钻井周期
- 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。
- During the experience on Well Weihan-1, aerated drilling has solved a series of complicated downhole problems caused by lost circulations, largely reduced the drilling cycle of complex well sections, and has reduced the comprehensive drilling costs. 通过威寒1井的空气充气钻井实践,解决了因井漏而引起的井下系列复杂问题,大大缩短了复杂井段的钻井作业周期,同时也降低了钻井作业综合成本。
- 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。
- It sets good records on drilling cycle, net drilling time and average ROP in the same kind of horizontal wells. 该井的完成 ,创同类型水平井钻井周期、纯钻时间、平均机械钻速的国内好成绩。
- It will cut down the drilling cycle , cutdown the cost of drilling and improve the quality of bit trajectory. 因此可以缩短钻井周期，降低钻井成本，提高井身质量。
- The complex formations were drilled during the fourth spudding in Sha 84 Well, which resulted in long drilling cycle, multiple trips, and therefore casing abrasion. 沙84井四开井段钻遇复杂地层,钻井周期长,多次起下钻,造成技术套管磨损。
- When was the first offshore oil well drilled? 第一口滨海油井是什么时候打的钻?
- It was adopted overall in Zhongyuan oilfield from 2000.Average ROP was increased by 1.36m/h, drilling cycle was decreased greatly. 中原油田从 2 0 0 0年开始 ,全面铺开复合钻井技术 ,平均机械钻速提高 1 36m/h ,钻井周期大大缩短 ;
- 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
- The 5drilled wells, their average well depth is 4544m, drilling cycle is 162.55d, ROP is 2.4m/h, net drilling prescription is 45.05%, accident prescription is 0.58%, complex prescription is 3.23%. 其中;2004年完成的5口井;平均井深4544m;平均钻井周期162.;55d;平均机械钻速2
- 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。
- But in deep well drilling practices of long open hole,the homogeneous gns generally invades borehole. 但在一些长裸眼段深井的钻井实践中，常常会遇到均匀气侵溢流。
- 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。
- Well drilling for deep evaporite beds is a big problem faced by drilling sector. 深部盐膏层钻井是钻井工程重大技术难题之一。
- 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。
- Horizontal sidetracking technology has been developed so as to make full use of these old wells with shorter drilling cycle and less drilling cost by window opening and sidetracking in these wells. 为了充分利用老井眼的价值，采用侧钻水平井技术开采新的气藏取得了较理想的效果：对老井重新选层开发，充分利用了老井上部井段的套管资源，缩短了钻井周期，大幅节省了钻井费用。
- Successful completion of this well accumulated certain experiences for futural deep wild cat well drilling. 该井的顺利完钻，为以后深探井钻井积累了一定的经验。
- It gives some valuable advice on how to heighten holistic,macroscopical benefit of deep water well drilling. 提出了从整体上、宏观上提高深水井钻进效益的改进措施。
- A Shell-sponsored colour 44-page booklet on China′s pioneering achievements in the development of well drilling and natural gas production technology. 壳牌赞助印刷的小册子，44页彩色印刷，讲述中国古代开创钻井采盐及采气技术的卓越成就。
