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    Dynamic Characteristics and Experimental Research of Dual-Piston Axial Oscillation Drag Reduction Tool

    Source: Journal of Energy Resources Technology:;2022:;volume( 145 ):;issue: 004::page 41703-1
    Author:
    Tian, Jialin
    ,
    Tang, Lei
    ,
    Yan, Baoyong
    ,
    Song, Haolin
    ,
    Mao, Lanhui
    DOI: 10.1115/1.4056114
    Publisher: The American Society of Mechanical Engineers (ASME)
    Abstract: Aiming at the problem of low drilling efficiency of oil and gas wells due to the high friction during the drilling, a dual-piston axial oscillation drag reduction tool (DAOT) is proposed to reduce friction for long drill string in this paper. Using the proportional experiment methods based on the ground experiment conditions, pressure drop, axial displacement, and acceleration of DAOT were tested with different input parameters. The pressure drop calculation model was established by fluid mechanisms applied, and the axial excitation displacement model to the damped elastic rod subjected to axial external excitation was deduced. Furthermore, combining with the same parameters as the experiment and field application, the dynamic characteristics are studied by numerical calculation methods to identify proposed models. The results show that the correctness of the models is verified, the working pressure drop, axial displacement, working frequency, and axial oscillating force are all dependent on the input flow, the working frequency is positively correlated with the input flow, and the more the input flowrate, the great is its influence on the oscillating force. The application of DAOT can reduce extremely the friction force of drill string and improve availably the drilling efficiency. These conclusions can be of benefit for optimizing multi-piston axial oscillating tool and DAOT field applications.
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      Dynamic Characteristics and Experimental Research of Dual-Piston Axial Oscillation Drag Reduction Tool

    URI
    http://yetl.yabesh.ir/yetl1/handle/yetl/4292123
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    contributor authorTian, Jialin
    contributor authorTang, Lei
    contributor authorYan, Baoyong
    contributor authorSong, Haolin
    contributor authorMao, Lanhui
    date accessioned2023-08-16T18:33:13Z
    date available2023-08-16T18:33:13Z
    date copyright11/25/2022 12:00:00 AM
    date issued2022
    identifier issn0195-0738
    identifier otherjert_145_4_041703.pdf
    identifier urihttp://yetl.yabesh.ir/yetl1/handle/yetl/4292123
    description abstractAiming at the problem of low drilling efficiency of oil and gas wells due to the high friction during the drilling, a dual-piston axial oscillation drag reduction tool (DAOT) is proposed to reduce friction for long drill string in this paper. Using the proportional experiment methods based on the ground experiment conditions, pressure drop, axial displacement, and acceleration of DAOT were tested with different input parameters. The pressure drop calculation model was established by fluid mechanisms applied, and the axial excitation displacement model to the damped elastic rod subjected to axial external excitation was deduced. Furthermore, combining with the same parameters as the experiment and field application, the dynamic characteristics are studied by numerical calculation methods to identify proposed models. The results show that the correctness of the models is verified, the working pressure drop, axial displacement, working frequency, and axial oscillating force are all dependent on the input flow, the working frequency is positively correlated with the input flow, and the more the input flowrate, the great is its influence on the oscillating force. The application of DAOT can reduce extremely the friction force of drill string and improve availably the drilling efficiency. These conclusions can be of benefit for optimizing multi-piston axial oscillating tool and DAOT field applications.
    publisherThe American Society of Mechanical Engineers (ASME)
    titleDynamic Characteristics and Experimental Research of Dual-Piston Axial Oscillation Drag Reduction Tool
    typeJournal Paper
    journal volume145
    journal issue4
    journal titleJournal of Energy Resources Technology
    identifier doi10.1115/1.4056114
    journal fristpage41703-1
    journal lastpage41703-12
    page12
    treeJournal of Energy Resources Technology:;2022:;volume( 145 ):;issue: 004
    contenttypeFulltext
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