“openhole cavity completion technology”的概念、定义、翻译、参考文献-科学参考

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	Phylogenetic tree phylogenetic tree phylogenetic tree analysis phylogenomics phylogeny phylogeny and phylogenetic development Phylogeny of Shangshi phylogeographic structure phylum physcoin Physic-activation process physical Physical Ability Analysis physical absorption physical abuse physical access control physical accounting of resources physical accounting of water resources physical acoustics physical activation volume physical activity and exercise physical activity epidemiology Physical activity level coefficient physical activity level，PAL physical address

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