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- The operating performance quality of the roller bit, which is the most main broken crag tool, directly influence the well drilling quality, well drilling efficiency and well drilling cost. 牙轮钻头是钻井工程中最主要的破岩工具，其工作性能的好坏直接影响钻井质量、钻井效率和钻井成本。
- Equipped with suitable Derrick and well controlled device in drilling a shallow gas well ,water drills proved to be able to reduce shallow gas well drilling cost. 通过某浅层气井的施工实例，阐述了水井钻机安装合适的钻塔底座和并控装置，可降低浅层气井建井成本。
- A Method for Predicting Horizontal Well Drilling Cost 水平井钻井费用预测方法研究
- Required by geology or reducing drilling cost by using wells drilled, 3D sidetracking wells are getting more and more, 3D sidetracking wells are increasingly important in oilfield development. 地质要求或利用已钻井眼降低钻井成本,使三维侧钻井不断增多,三维大斜度侧钻井在油田开发中越来越重要。
- well drilling cost 钻井成本
- 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。
- 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。
- Taking use of old well for orientational sidetracking to reconsent and reevaluate geological configuration can greatly reduce drilling cost and accelerate exploration and development process. 利用老井眼定向侧钻新井眼，对地质构造重新认识和评价，可大大降低钻井成本，加快勘探开发的进度。
- When was the first offshore oil well drilled? 第一口滨海油井是什么时候打的钻?
- Distribution of well drilling can be summarized as the problem of decreasing the number of new wells for lowering the cost by using the geological material under some restrains. 本文对钻井布局问题提出了有效的算法，钻井布局可以归结为在一定约束条件下利用旧井的地质资料来减少新井的钻探数量，以节省钻探费用的问题。
- 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 reliable explanation and the less error of forecasting will be helpful in predicting the drilling cost and planning the projects in management. 模型较强的解释力度和较小的预测误差，将有助于钻井成本预测和计划管理。
- This forecast model shows that there exists exponential relation between the drilling cost and the footage and the cycle respectively. 该预测模型表明钻井成本与钻井进尺和钻井周期呈指数关系。
- 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。
- Clients are hep and very astute, they can consider the totle drilling cost that includes freight inside when buying goods. 顾客们消息灵通并且十分精明，他们在购买商品时会考虑包括运费在内的总成本。
- 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。
- 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。
- 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。
