喷淋条件下金属筛网冲蚀磨损规律试验研究

IF 1.5 4区 工程技术 Q3 MECHANICS
Ruomeng Ying, Xuankang Zhao, Baocheng Shi, Lijuan Wu, X. Zhang, Ziheng Jiang, Xiaochi Guo
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引用次数: 2

摘要

弄清防砂筛管的侵蚀规律,对出砂油气井的安全生产至关重要。利用射流冲蚀实验装置,对金属网在堵塞和不堵塞两种工况下的冲蚀规律进行了实验研究。分析了固体质量分数(0.3%、0.5%和0.8%)、孔径速度(1.5 m/s、4 m/s和6 m/s)和粒径(20 μm、54 μm和74 μm)对金属网侵蚀速率的影响因素。结果表明:筛网的质量损失随固体质量分数、孔径速度和粒度的增加而增加,且单筛和双筛的变化规律一致;在不完全堵塞条件下,筛管的质量损失随流量呈指数增长;在完全堵塞的情况下,当筛进出口压差一定时,筛的平衡流量随着压差的增大而减小。质量损失随压差的增大而增大;此外,冲蚀筛网的扫描电镜结果显示,非阻塞条件下筛网的冲蚀磨损远小于阻塞条件下的冲蚀磨损,这是由于筛网纬丝之间的间隙被颗粒堵塞,导致筛网的局部孔径速度迅速增加,从而加速了筛网的局部冲蚀磨损。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Experimental study on erosion and wear law of metal screen under spraying condition
It is very important for the safe production of sand producing oil and gas wells to make clear the erosion law of sand control screen pipe. The experiment of erosion law of metal mesh under two working conditions of blockage and non-blockage was carried out with jet erosion experimental device. The influencing factor of solid mass fraction (0.3%, 0.5%, and 0.8%), aperture velocity (1.5 m/s, 4 m/s, and 6 m/s) and particle size (20 μm, 54 μm, and 74 μm) on the erosion rate of metal mesh was analyzed. The results show that the mass loss of screen increases with the increase of solid mass fraction, aperture velocity and particle size, and the change law of single and double screens is consistent; under the condition of incomplete blockage, the mass loss of screen increases exponentially with the flow rate; under the condition of complete blockage, the balance flow rate of screen decreases with the increase of pressure difference when the pressure difference between inlet and outlet of screen is kept constant. In addition, the mass loss increases with the increase of pressure difference; in addition, the scanning electron microscope results of the erosion screen show that the erosion wear of the screen under the non-blocking condition is much less than that under the blocking condition, which is because the gap between the weft wires of the screen is blocked by particles, resulting in the rapid increase of the local aperture velocity of the screen, thus accelerating the local erosion wear of the screen.
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来源期刊
Journal of Mechanics
Journal of Mechanics 物理-力学
CiteScore
3.20
自引率
11.80%
发文量
20
审稿时长
6 months
期刊介绍: The objective of the Journal of Mechanics is to provide an international forum to foster exchange of ideas among mechanics communities in different parts of world. The Journal of Mechanics publishes original research in all fields of theoretical and applied mechanics. The Journal especially welcomes papers that are related to recent technological advances. The contributions, which may be analytical, experimental or numerical, should be of significance to the progress of mechanics. Papers which are merely illustrations of established principles and procedures will generally not be accepted. Reports that are of technical interest are published as short articles. Review articles are published only by invitation.
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