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- Some remarks on developing technique of drilling rig disc brake in China. 关于发展我国钻机盘式刹车技术的几点认识。
- Large degree of freedom of drilling frame structure can enlarger efficiently operation scope of drill rig. 多自由度钻架结构,有效地扩展了钻机的作业范围。
- This paper is a part of a project which is construction on integrated laboratorial platform of drilling rig hoisting system. 本文系钻机起升综合实验台架建设的部分研究内容。
- Integrated hydraulic supply is a new assignment,as more and more hydraulic corollary equipments of drilling rig have come out. 针对当前钻机液压配套设备越来越多的趋势,研制了集成化液压源。
- The confident estimation to the headframe and bed plate of drilling rig is done by this method,the computational solution is identic... 弥补了石油行业在无故障数据可靠性评定方面的不足。
- Abstract The necessity of the shush pump with forward rotating of drilling rig is analyzed,advantages and disadvantages of various transmission plan were compared and described. 分析了石油钻机中使钻井泵正转的必要性;对实现正转的各传动方案进行了对比分析;简述了各种传动方案的优缺点。
- The fuzziness of various constraints of stress, displacement, local buckling and section size is considered in the fuzzy optimum design of drilling rig substructures. 考虑了应力约束、位移约束、局部稳定约束和截面尺寸上下界约束条件的模糊性,以底座的结构质量为目标函数,建立了底座结构模糊优化设计的数学模型。
- Along with the increasing of drilling rig types and the expansion of production scale in our company, analysis and calculation to mast of drilling rig is more and more becoming an important design task. 随着我厂钻机类型的不断扩充和生产规模的不断扩大,钻机井架的分析计算越来越成为我厂的一项重要的设计任务。
- Drilling is an important part during oil and gas exploration and development. As the key part of drilling equipment, the load capacity of the drilling mast is closely related to the safety of the whole drilling rig system. 钻井是石油天然气勘探与开发的一个重要环节,钻机井架作为钻井设备的关键部分,其承载性能直接关系到整套钻机系统的安全运行。
- Demobilization and mobilization of drilling rig of overseas project is complex system engineering, involving many departments and persons and information as well as hard organization and coordination. 海外项目钻机遣散和动员是一项复杂的系统工程,涉及的部门、人员和资料多,组织协调难度大。
- Based on an analysis of the composition of drilling rig, characteristics of drilling process, and human features, a reliability model of man-machine control system for drilling process is established. 在全面分析钻井机械的组成、钻进过程的特点和人的特性的基础上,建立钻机钻进过程人机系统可靠性模型。
- The dynamic pressure of drill bit,etc. ,has been measured and analysed in test drill rig by using pressure transducer dynamic strain analyzer,charge amplifier and CRAS random signal and vibration analysis system. 本文在试验台架上安装压力传感器、利用动态应变仪、电荷放大器以及 CRAS随机信号和振动分析系统进行了钻头动态压力测试和分析。
- The drill rig adopts hydraulic transmission way to realize the rotation,propulsion,getting up and pulling of drill,as well as adjustment and fixing of drill rod obliquity during working. 该机工作过程中钻具的旋转、推进、起拔以及钻杆倾角的调整和固定等动作全部采用液压传动方式实现;
- She had lots of drill in listening. 她在听力方面受过许多训练。
- By the same token, the cost of hiring some kinds of drilling rigs is falling. 同样雇用某些类型的钻机成本也在下降。
- After months of drilling, oil was found off the coast. 经数月钻探,在沿海找到了石油。
- This article makes an investigation into the design of the new-generation mechanical-electronic-hydraulic-pneumatic integrated driller control house of drilling rig. 摘要司钻控制房是石油钻机的控制中枢,其性能的优劣直接关系到整台钻机的生产效率、维护保养性能、工人劳动强度和生产安全等。
- Discussion of drilling rig structure 国内外旋挖钻机结构特点的探讨
- electric control system of drilling rig 石油钻机电控装置
- variable-frequency drive system of drilling rig 变频钻机电传动系统