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Research on Cuttings Carrying Principle of New Aluminum Alloy Drill Pipe and Numerical Simulation Analysis

Author

Listed:
  • Pengcheng Wu

    (Engineering Technology Research Institute, PetroChina Southwest Oil & Gas Field Company, Chengdu 610017, China
    School of Mechanical Engineering, Yangtze University, Jingzhou 434023, China
    These authors contributed equally to this work and should be considered co-first authors.)

  • Chentao Li

    (School of Mechanical Engineering, Yangtze University, Jingzhou 434023, China
    These authors contributed equally to this work and should be considered co-first authors.)

  • Zhen Zhang

    (Shale Gas Research Institute, PetroChina Southwest Oil & Gas Field Company, Chengdu 610056, China)

  • Jingwei Yang

    (School of Mechanical Engineering, Yangtze University, Jingzhou 434023, China)

  • Yanzhe Gao

    (College of Electronic Information and Automation, Tianjin University of Science, Tianjin 300222, China)

  • Xianbing Wang

    (Engineering Technology Research Institute, PetroChina Southwest Oil & Gas Field Company, Chengdu 610017, China)

  • Xiumei Wan

    (Engineering Technology Research Institute, PetroChina Southwest Oil & Gas Field Company, Chengdu 610017, China)

  • Chengyu Xia

    (School of Mechanical Engineering, Yangtze University, Jingzhou 434023, China
    These authors also contributed equally to this work.)

  • Qunying Guo

    (School of Mechanical Engineering, Yangtze University, Jingzhou 434023, China
    These authors also contributed equally to this work.)

Abstract

In order to improve the cuttings transport ability and well hole purification effect of horizontal shale gas wells in the Sichuan and Chongqing area, a new type of aluminum alloy drill pipe is put forward, and the floatability is validated by theoretical analysis and actual parameter calculation. According to the cuttings migration mechanism, the cuttings cleaning simulation model of the new aluminum alloy drill pipe and the traditional steel drill pipe was established by Fluent, and the hexahedral mesh is used to divide the model. Thus, the mesh independence and convergence of the two models are verified. Then, the simulation model is verified by comparing the calculation results of the two simulation models with the experimental data of the indoor cuttings migration device. Finally, the rock-cleaning ability of the two drill pipes is analyzed under the conditions of changing the cuttings particle size, well inclination angle, displacement, and mechanical speed. Compared with the traditional steel drill pipe, the new aluminum alloy drill pipe can improve the borehole purification capacity by 13% on average. This research result is of great significance in reducing the quality of cuttings in the annulus and improving the borehole purification effect.

Suggested Citation

  • Pengcheng Wu & Chentao Li & Zhen Zhang & Jingwei Yang & Yanzhe Gao & Xianbing Wang & Xiumei Wan & Chengyu Xia & Qunying Guo, 2023. "Research on Cuttings Carrying Principle of New Aluminum Alloy Drill Pipe and Numerical Simulation Analysis," Energies, MDPI, vol. 16(15), pages 1-17, July.
    • Handle: RePEc:gam:jeners:v:16:y:2023:i:15:p:5618-:d:1202844
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    References listed on IDEAS

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    1. Han Cao & Tianyi Wang & Ting Bao & Pinghe Sun & Zheng Zhang & Jingjing Wu, 2018. "Effective Exploitation Potential of Shale Gas from Lower Cambrian Niutitang Formation, Northwestern Hunan, China," Energies, MDPI, vol. 11(12), pages 1-18, December.
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