New model for calculating bottom hole pressure of multiphase flow in annulus of underbalanced straight well
Zhou Ying-cao1,2, Gao De-li1, Liu Yong-gui2
1. Faculty of Petroleum Engineering, China University of Petroleum, Beijing 102249, China; 2. Drilling Engineering Technology Research Institute, Daqing Petroleum Administration, Daqing 163423, China
Zhou Ying-cao, Gao De-li, Liu Yong-gui. New model for calculating bottom hole pressure of multiphase flow in annulus of underbalanced straight well[J]. Editorial office of ACTA PETROLEI SINICA, 2005, 26(2): 96-99.