Designing a Device for Physical Modeling of Sand Production

Document Type : Original Article

Authors

1 Department of Petroleum and Mining Engineering, South Tehran Branch, Islamic Azad University, Tehran, Iran

2 Department of Mining and metallurgy Engineering, Amirkabir University (Polytechnique), Tehran, Iran

Abstract

When oil and gas are extracted from hydrocarbon reservoirs, sand production cost’s too much every year in oil and gas industries the process of sand production causes erosion in pipes, faucets and valves, and every could stop the production. Separating the grains produced out of oil could be expensive itself. Cleaning the production line from the produced sand, needs hard work; there fore all these problems a kick are caused during sand production process have always made gas and oil producing companies find ways to handle the problems. In this study, using a device made to simulate the sand production process, the mechanism of the process of sand production was studied and in various conditions of fluid pressure and stress, the amount of sand produced was measured and studied. With this device, various rocks could be experimented with different types of fluids, under various stress conditions of modeling and prediction of sand production. In this study, sand with determined grain grading, and water were used to simulate sand production under various condition of pressure the Results showed that the fluid’s higher pressure causes early damage in the pressure arc in rocks, and also in sand production consequently once the pressure are is damaged, the stress and the fluid’s pressure dropped down immediately the experiments, also, revealed that the amount of sand produced increased just as the pressure are is damaged, and after that decrease. In this study, neural fuzzy network and multi-variable regression were used in order to study and analyze the experiment’s results and to extract a proper pattern. The analyses show that there are a reasonable trend and an appropriate correlation among variables, and that the repeatability of the device is satisfactory, so it could be used to simulate sand production.

Keywords

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  • Receive Date: 02 February 2023
  • Revise Date: 16 February 2023
  • Accept Date: 19 February 2023