Method for Field Evaluation of Drag Reduction Effect of Natural Gas#br# Drag Reduction Agent
HUANG Zhiqiang1, MA Yachao1, LI Qin1*, WANG Nan1, CHANG Weichun2
西南石油大学学报(自然科学版) . 2016, (4): 157 -165 .  DOI: 10.11885/j.issn.1674-5086.2014.02.20.03