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Analysis of Controlling Factors for Unplugged Sand Control Screens Based on Multivariate Experiments and Regression Modeling
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Bi-qiang GAO1, 2, Li-juan WU1, *, Wen-jie WU3, Yi-shan LOU1, Meng-yue NI2
Science Technology and Engineering | 2026, 26(11) : 4612 - 4620
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Science Technology and Engineering | 2026, 26(11): 4612-4620
• Petroleum and Natural Gas Industry •
Analysis of Controlling Factors for Unplugged Sand Control Screens Based on Multivariate Experiments and Regression Modeling
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Bi-qiang GAO1, 2, Li-juan WU1, *, Wen-jie WU3, Yi-shan LOU1, Meng-yue NI2
Affiliations
  • 1 Hubei Key Laboratory of Oil and Gas Drilling and Production Engineering, Yangtze University, Wuhan 430100, China
  • 2 National Key Laboratory of Low-Carbon Catalysis and Carbon Dioxide Utilization, Yangtze University, Wuhan 430100, China
  • 3 Jiqing Oilfield Operation Area, Xinjiang Oilfield Company, PetroChina, Jimusar 831700, China
Published: 2026-04-18 doi: 10.12404/j.issn.1671-1815.2504044
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Erosional damage to sand control screens from sand-laden fluids is a critical issue affecting well integrity and service life. Existing research has predominantly focused on screen plugging conditions, while the erosion mechanism under unplugged conditions remains poorly understood. Laboratory experiments, numerical simulation, and a multiple regression model was integrated to systematically deconstruct the effects of flow velocity, particle size, and sand flow rate on screen erosion. The experimental results indicate that screen mass loss increases with all three factors, with the influence of flow velocity being the most significant and exhibiting an accelerating trend. Numerical simulations revealed that erosion is concentrated in narrow flow passages, such as screen slots, which suffer severe scouring due to localized flow acceleration. The regression analysis quantified the contribution of each factor: flow velocity had the highest impact at 56.1%, followed by sand flow rate at 35.7%, and particle size having the lowest at 8.2%. The study confirms that flow velocity is the primary controlling factor for erosion in unplugged screens and should be given special consideration in sand control operations. The findings provide an experimental basis and theoretical reference for the optimization of sand control measures and screen structural design.

sand control screen  /  erosion mechanism  /  CFD simulation  /  regression analysis  /  oilfield sand control
Bi-qiang GAO, Li-juan WU, Wen-jie WU, Yi-shan LOU, Meng-yue NI. Analysis of Controlling Factors for Unplugged Sand Control Screens Based on Multivariate Experiments and Regression Modeling[J]. Science Technology and Engineering, 2026 , 26 (11) : 4612 -4620 . DOI: 10.12404/j.issn.1671-1815.2504044
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Year 2026 volume 26 Issue 11
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Article Info
doi: 10.12404/j.issn.1671-1815.2504044
  • Receive Date：2025-05-30
  • Online Date：2026-07-31
  • Published：2026-04-18
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History
  • Received：2025-05-30
  • Revised：2025-11-19
Funding
Affiliations
    1 Hubei Key Laboratory of Oil and Gas Drilling and Production Engineering, Yangtze University, Wuhan 430100, China
    2 National Key Laboratory of Low-Carbon Catalysis and Carbon Dioxide Utilization, Yangtze University, Wuhan 430100, China
    3 Jiqing Oilfield Operation Area, Xinjiang Oilfield Company, PetroChina, Jimusar 831700, China
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表12种不同金属材料的力学参数
科
Family		 属数
Number of
genus		 种数
Number of
species		 占总种数比例
Percentage of
total species (%)		 属
Genus		 种数
Number of
species		 占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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