EFFECT OF GAS INJECTION RATE ON BOREHOLE PRESSURE IN UNDERBALANCED DRILLING AT LOW PRESSURE
FAN Jun XIAO Jian-bo SHI Tai-he
西南石油大学学报(自然科学版) . 1999, (4): 50 -52 .  DOI: 10.3863/j.issn.1000-2634.1999.04.014