PARTICULARITY OF COAL COLLAPSE AND DRILLING FLUID COUNTERMEASURE
LIANG Da-chuan PU Xiao-lin XU Xing-hua
西南石油大学学报(自然科学版) . 2002, (6): 28 -31 .  DOI: 10.3863/j.issn.1000-2634.2002.06.009