请输入您要查询的字词:
单词
downhole pressurized jet assisted drilling system
释义
downhole pressurized jet assisted drilling system
Encyclopedia
工学
钻井新技术与装备
释
downhole pressurized jet assisted drilling system
井下增压射流辅助破岩钻井装置
通过安装在钻头上方的井下增压装置,将钻柱中循环的部分钻井液增压后形成增压射流,经钻头的超高压喷嘴喷出,冲击井底后直接或辅助钻头破碎岩石,将水力破岩与机械破岩紧密结合起来,达到提高钻速目的的钻井装置。
随便看
gap acceptance
GAP Analysis
GAP analysis
gap and non–gap
gap anisotropy
gap arrester
Gap between Love and Death
gap center
gap character
gap-chord ratio
gap diffusion
gap energy
gap equation
gapfiller
gapfiller data
gapfiller radar
gap flameproof principle
gap gene
gap junction
gapless superconductivity
gap level
gap model
gap of asteroid ring
gap of asteroids
gap of asteroid's ring
科学参考收录了854744条科技类词条,基本涵盖了常见科技类参考文献及英语词汇的翻译,是科学学习和研究的有利工具。
Copyright © 2000-2023 Sciref.net All Rights Reserved
京ICP备2021023879号
更新时间:2025/7/29 9:39:46