LIU Jiang, S Shuxun, Z Xiaozhi… - Coal Geology & …, 2020 - cge.researchcommons.org
To improve the effect of drainage and extraction of coalbed methane wells, it is necessary to divide the drainage and production stages reasonably and formulate corresponding control …
WYT Gao - Coal Science and Technology, 2016 - mtkxjs.com.cn
Abstract with the systematc lection on ight cal samples from a ypical borehole in Songhe Mline Field of West Guizhou with the mercury njection test and the permeabilit ratio data. the …