A gas kick early detection method outside riser based on Doppler ultrasonic wave during deepwater drilling
YIN Bangtang,LIN Yingsong,WANG Zhiyuan,SUN Baojiang,LIU Shujie,SUN Jinsheng,HOU Jian,REN Meipeng,WANG Ning
Petroleum Exploration & Development . 2020, (4): 846 -854 .  DOI: 10.1016/S1876-3804(20)60100-8