The National Basic Research Program of China (973 Program)
温庆阳,杨秀娟,闫相祯. 基于三角模糊数的煤层气欠平衡钻井风险评估模型研究[J]. 科学技术与工程, 2012, 12(12): .
wenqingyang,杨秀娟,闫相祯. Risk Assessment Model Study for Coal-Bed Methane Underbalanced Drilling Based on Triangular Fuzzy Numbers[J]. Science Technology and Engineering,2012,12(12).