“井下增压射流辅助破岩钻井装置”的概念、定义、翻译、参考文献-科学参考

单词	井下增压射流辅助破岩钻井装置
释义	井下增压射流辅助破岩钻井装置 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	China Machine Press China Machine Readable Catalogue Format China-Malaysia Qinzhou Industrial Park China-Maldives Friendship Bridge China Management Case Center Alliance China Management Case-sharing Center China Maritime Museum China Maritime Pilot's Association China Marketing Association China Marketing Association of Universities China Maternal and Child Health Association China Media Capital China Media Culture Promotion Association China Media Report China Medical Association of Minorities China Medical Science and Technology Press China Medium-sized City Sports Association China mega city-regions China Merchants Archives China Merchants Group China Metallurgical Group Corporation China Metallurgical Industry Planning and Research Institute China Metallurgical Information and Standardization Institute China Meteorological Administration China military standard time

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