A gas kick early detection method outside riser based on Doppler ultrasonic wave during deepwater drilling
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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 |
| Fig. 16. Fitting curves of average signal voltage and gas void fraction in sucrose solutions of different densities and flow velocities. |
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