Study on the design and hydraulic characteristics of the submarine mud lift pump

doi:10.12143/j.ztgc.2024.06.009

Home > Archive>Volume 51, Issue 6, 2024 >77-84. DOI:10.12143/j.ztgc.2024.06.009

Study on the design and hydraulic characteristics of the submarine mud lift pump
DOI:
                        10.12143/j.ztgc.2024.06.009
                    
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                        QIN Rulei1,2,3QIN Rulei
Institute of Exploration Techniques, CAGS, LangfangHebei065000, China;Innovation Base for Automatic and Intelligent Drilling Equipment, Geological Society of China,LangfangHebei065000, China;Technology Innovation Center for Deep Exploration Drilling Equipment, China Geological Survey,LangfangHebei065000, China
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GAO Jieyun1,2,3GAO Jieyun
Institute of Exploration Techniques, CAGS, LangfangHebei065000, China;Innovation Base for Automatic and Intelligent Drilling Equipment, Geological Society of China,LangfangHebei065000, China;Technology Innovation Center for Deep Exploration Drilling Equipment, China Geological Survey,LangfangHebei065000, China
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YU Yanjiang4YU Yanjiang
Guangzhou Marine Geological Survey, China Geological Survey, GuangzhouGuangdong511458, China
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CHEN Haowen1,2,3CHEN Haowen
Institute of Exploration Techniques, CAGS, LangfangHebei065000, China;Innovation Base for Automatic and Intelligent Drilling Equipment, Geological Society of China,LangfangHebei065000, China;Technology Innovation Center for Deep Exploration Drilling Equipment, China Geological Survey,LangfangHebei065000, China
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LI Qiang5LI Qiang
Geological Exploration Institute of Shandong Zhengyuan, JinanShandong250101, China
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HE Guolei1,2,3HE Guolei
Institute of Exploration Techniques, CAGS, LangfangHebei065000, China;Innovation Base for Automatic and Intelligent Drilling Equipment, Geological Society of China,LangfangHebei065000, China;Technology Innovation Center for Deep Exploration Drilling Equipment, China Geological Survey,LangfangHebei065000, China
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SU Xianghui6SU Xianghui
Faculty of Mechanical Engineering Automation, Zhejiang Sci-tech University, HangzhouZhejiang310018, China
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XU Benchong1,2,3XU Benchong
Institute of Exploration Techniques, CAGS, LangfangHebei065000, China;Innovation Base for Automatic and Intelligent Drilling Equipment, Geological Society of China,LangfangHebei065000, China;Technology Innovation Center for Deep Exploration Drilling Equipment, China Geological Survey,LangfangHebei065000, China
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Affiliation:1.Institute of Exploration Techniques, CAGS, LangfangHebei065000, China;2.Innovation Base for Automatic and Intelligent Drilling Equipment, Geological Society of China,LangfangHebei065000, China;3.Technology Innovation Center for Deep Exploration Drilling Equipment, China Geological Survey,LangfangHebei065000, China;4.Guangzhou Marine Geological Survey, China Geological Survey, GuangzhouGuangdong511458, China;5.Geological Exploration Institute of Shandong Zhengyuan, JinanShandong250101, China;6.Faculty of Mechanical Engineering Automation, Zhejiang Sci-tech University, HangzhouZhejiang310018, China
Clc Number:P634
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Abstract:

As the core functional unit of riserless mud recovery system， the mud lifting centrifugal pump drives the mud stored in the suction module to carry rock cuttings recirculate back to the drilling platform through the return pipeline. Previous designs of the riserless mud recovery system primarily employed disc pumps as the lifting unit， with specific structural design and theoretical analysis conducted around them.However， there has been limited research on multi-stage centrifugal pumps， which offer superior hydraulic performance. In this study， we focus on the theoretical basis and specific parameters of a multi-stage centrifugal pump，and develop a computational model using CFD-DEM coupling calculation to conduct a full-scale flow field simulation.This simulation investigates the impeller design， flow field characteristics， internal particle distribution patterns， and mud rock transport patterns within the pump.The results validate the centrifugal pump’s good particle permeability under design conditions.Furthermore， we conducted hydraulic performance tests on a centrifugal pump prototype using a mud lifting test bench. The test resultsindicate that the pump exhibits satisfactory operational working characteristics and hydraulic performance， meeting the design requirements for application in deep-sea riserless drilling operations.

Key words:mudlift pump;multi-stage centrifugal pump;RMR technology;CFD-DEM bidirectional synchronous coupling;hydraulic performance test;deep sea drilling

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History

Received:March 07,2024
Revised:May 28,2024
Adopted:May 30,2024
Online: December 04,2024
Published: November 10,2024

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