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Volume 13
Issue 8
10.3390/machines13080654
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This is an early access version, the complete PDF, HTML, and XML versions will be available soon.
Article

Design and Flow Characteristics of a Gravity-Driven Flow Control Valve

by
Qing Wang
1,
Jun Qu
2,*,
Li Liu
1,
Xingyu Tan
2,
Jianhua Guo
1,
Yingqi Li
2,
Jiawei Zhang
1,
Xiaoao Liu
1,
Jinping Yu
1,
Guodong Ji
1,
Fei Zhou
1 and
Qilong Xue
2
1
CNPC Engineering Technology R&D Company Limited, Beijing 102206, China
2
School of Engineering and Technology, China University of Geosciences (Beijing), Beijing 100083, China
*
Author to whom correspondence should be addressed.
Machines 2025, 13(8), 654; https://doi.org/10.3390/machines13080654
Submission received: 7 June 2025 / Revised: 21 July 2025 / Accepted: 24 July 2025 / Published: 25 July 2025
(This article belongs to the Section Automation and Control Systems)
Versions Notes

Abstract

Ultra-high-temperature and pressure downhole environments pose challenges for conventional electronic instruments to adapt to high-temperature formations, thereby restricting the application of downhole electronic tool technology in deep and ultra-deep wells. Given the aforementioned limitation of electronic inclination measurement systems, specifically their poor temperature resistance, this study proposes a novel shunt flow control method. This method employs a mechanical structure to overcome temperature constraints: gravitational torque generated by the mechanical structure is utilized to control valve opening and regulate flow rate. By converting sensed well inclination information into changes in flow rate, this approach enables the transformation of well inclination sensing and its associated signals. In this study, a kinetic analysis model of the shunt-regulating valve spool was established. Using computational fluid dynamics (CFD) simulations, the flow characteristics of the regulating spool were analyzed under varying valve openings. The structure of the flow control valve was optimized with the goal of maximizing internal flow. Finally, the reliability of the designed structure for well deviation sensing and flow control was verified using simulation experimental studies and theoretical analyses.
Keywords: weighted flow diversion valve; valve port design; fluid dynamics simulation; dynamic characteristics; orthogonal test weighted flow diversion valve; valve port design; fluid dynamics simulation; dynamic characteristics; orthogonal test

Share and Cite

MDPI and ACS Style

Wang, Q.; Qu, J.; Liu, L.; Tan, X.; Guo, J.; Li, Y.; Zhang, J.; Liu, X.; Yu, J.; Ji, G.; et al. Design and Flow Characteristics of a Gravity-Driven Flow Control Valve. Machines 2025, 13, 654. https://doi.org/10.3390/machines13080654

AMA Style

Wang Q, Qu J, Liu L, Tan X, Guo J, Li Y, Zhang J, Liu X, Yu J, Ji G, et al. Design and Flow Characteristics of a Gravity-Driven Flow Control Valve. Machines. 2025; 13(8):654. https://doi.org/10.3390/machines13080654

Chicago/Turabian Style

Wang, Qing, Jun Qu, Li Liu, Xingyu Tan, Jianhua Guo, Yingqi Li, Jiawei Zhang, Xiaoao Liu, Jinping Yu, Guodong Ji, and et al. 2025. "Design and Flow Characteristics of a Gravity-Driven Flow Control Valve" Machines 13, no. 8: 654. https://doi.org/10.3390/machines13080654

APA Style

Wang, Q., Qu, J., Liu, L., Tan, X., Guo, J., Li, Y., Zhang, J., Liu, X., Yu, J., Ji, G., Zhou, F., & Xue, Q. (2025). Design and Flow Characteristics of a Gravity-Driven Flow Control Valve. Machines, 13(8), 654. https://doi.org/10.3390/machines13080654

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