旋转钻井 meaning in English
boring by rotation
drilling by rotation
rotary drilling
Examples
- Petroleum and natural gas industries - rotary drilling equipment - part 1 : rotary drill stem elements iso 10424 - 1 : 2004 ; english version en iso 10424 - 1 : 2004
石油和天然气工业.旋转钻井设备.第1部分:旋转钻杆元 - In chapter two , the prosperity of the motion , force and screwed joint of the surface dynamic rotating drilling downhole drilling string has been discussed
第二章分析探讨了地面动力旋转钻井井下钻柱的运动状态、受力及螺纹联接的特性。 - Chapter three discusses the vibration forms of the surface dynamic rotating drilling downhole drilling string , analyzes the damage of low frequency ancf fongif ucfi ' na / vibration to downhole drilling string , and set up a set of math models of the longitudinal and torsional vibration
第三章分析探讨了地面动力旋转钻井井下钻柱的的振动形式，并提出分析了低频纵振现象对井下钻柱的损害，以及建立了纵向、扭转振动的数学模型。 - In chapter one , engineering flow and current research results in domestic and international of the surface dynamic rotating drilling have been generalized . furthermore , the engineering value and significance of motion of the surface dynamic rotating drilling downhole drilling string have been illustrated
第一章除概述了地面动力旋转钻井的工艺流程及国内外研究现状外，还阐述了研究地面动力旋转钻井井下钻柱的运动状态的工程价值及意义。 - On the basis of analyzing the working circumstance and prosperity of downhole drilling string of the surface dynamic rotating drilling vertical well , the force prosperity and failure forms of downhole drilling string are focused on . and further research has been done on the vibration damage of downhole drilling string as well as the construction and work prosperity of vibrating - proof hydraulic shocker absorber
本文在对地面动力旋转钻井直井井下钻柱的工作环境和特性加以分析的基础上，着重对钻柱在井下的受力特性以及损坏形式进行了分析，并对钻柱在井下的振动危害以及用于防止振动的水力加压减震器的结构、工作特性等一些规律进行了深入的探索和研究。