请输入您要查询的字词:
单词
openhole cavity completion technology
释义
openhole cavity completion technology
Encyclopedia
工学
煤层气钻井
释
openhole cavity completion technology
洞穴井完井工艺技术
裸眼完井后,人为地在煤层裸眼井段形成一个稳定的大洞穴,以消除钻井时发生的污染,同时在井眼周围形成含有大量张性裂缝的卸载区,扩大煤层的裸露面积,提高井筒周围自然裂隙的渗透性,使井眼与地层之间实现有效连通而达到增产目的的方法。
随便看
German Qualifications Framework
German Reunification
German Revolutions of 1848
German Romantics
Germans
German shepherd
German social medical insurance system
German Society for Animal Breeding
German South-West Africa
German space activities
German-Spanish Astronomical Centre
German Spatial Planning Act
German sports
German sports administrative law
German Sport University Cologne
German Stage Society
German Theatre
German Treaty of Protection for Southwest Africa
German Voluntary Self Regulation of the Film Industry
Germany
Germany and Japanese Buildings at Fangzi
Germany aviation
Germany. A Winter's Tale
Germany Buildings in Qingdao
Germany Gypsies
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:2026/10/21 18:35:28