high angle hole 中文意思是什麼
high angle hole
解釋
大角度井-
The shm ( single hole microblowing ) as a new perturbation active control technique has been applied to the slender body with different model noses at zero sideslip and high angle of attack
摘要在亞臨界流動范圍內,對具有不同頭部形狀的尖拱形細長旋成體在無側滑大迎角下進行單孔位微吹氣擾動控制實驗。 -
According to the work principle, mechanical model theory and simulation analysis of the hydraulic control valve of the drilling tool, the optimal design parameters of the angle of center of circle of the high pressure hole of upside valve are proposed ; the influence of the charging and discharging lag times on palm supporting capacity is discussed ; and the theoretic basis of designing the control valve of the drilling tool is put forward in the paper
通過對調制式旋轉導向鉆井工具液壓盤閥機構的工作原理、力學模型的理論和模擬分析,給出了上盤閥高壓孔圓心角的最優設計參數;討論了充液、泄液滯后時間對巴掌支撐力的影響,提出了調制式旋轉導向鉆井工具控制閥機械設計和控制的理論依據。 -
High angle multi - target directional well drilling technology in long open hole
長裸眼大斜度多目標定向井鉆井技術
分享友人