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Home > Archive>Volume 51, Issue 5, 2024 >52-57. DOI:10.12143/j.ztgc.2024.05.006
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Research on the collaborative mechanism of dual pumps in mud lifting system for deep sea drilling
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1.Institute of Exploration Techniques, CAGS, Langfang Hebei 065000， China;2.Innovation Base for Automatic and Intelligent Drilling Equipment, Geological Society of China,Langfang Hebei 065000, China;3.Innovation Center for Deep Exploration and Drilling Equipment Technology, CGS, Langfang Hebei 065000, China;4.CSSC Huangpu Wenchong Shipbuilding Company Limited， Guangzhou Guagndong 510715, China;5.School of Mechanical Engineering, Zhejiang Sci-tech University, Hangzhou Zhejiang 310018, China;6.Tianjin Premier ESP Pumping System Co., Ltd., Tianjin 300380， China

Clc Number:

P634

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    Abstract:

    The deep sea mud lifting system plays a critical role in the Riserless Mud Recovery （RMR） drilling process. In order to enhance the safety redundancy and adaptability of the lifting system， in-depth research on the multi pumps series parallel mechanism was conducted， including the detailed study of the series parallel structure design and working principle of the mud lifting pump， and the relationship between flow rate and lift during series and parallel operation， as well as the mathematical method and graphical method for series parallel operating points of the pump group. Furthermore， by utilizing the measured characteristic curve of the model pump， the Q-H characteristic curve and operating points of the dual pumps series parallel operation were obtained using graphical method. Finally， suggestions for dual pumps collaborative control were proposed.

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History
  • Received:July 25,2024
  • Revised:August 02,2024
  • Adopted:August 05,2024
  • Online: October 08,2024
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