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. 17. Fitted curves of Doppler frequency shift and gas void fraction of different sucrose solutions. |
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