Gas lift optimization using smart gas lift valve

Abdalsadig, MAGH, Nourian, A ORCID:, Nasr, GG ORCID: and Babaie, M ORCID: 2016, 'Gas lift optimization using smart gas lift valve' , International Journal of Mechanical and Mechatronics Engineering, 10 (6) , pp. 1162-1167.

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Gas lift is one of the most common forms of artificial lift, particularly for offshore wells because of its relative down hole simplicity, flexibility, reliability, and ability to operate over a large range of rates and occupy very little space at the well head. Presently, petroleum industry is investing in exploration and development fields in offshore locations where oil and gas wells are being drilled thousands of feet below the ocean in high pressure and temperature conditions. Therefore, gas-lifted oil wells are capable of failure through gas lift valves which are considered as the heart of the gas lift system for controlling the amount of the gas inside the tubing string. The gas injection rate through gas lift valve must be controlled to be sufficient to obtain and maintain critical flow, also, gas lift valves must be designed not only to allow gas passage through it and prevent oil passage, but also for gas injection into wells to be started and stopped when needed. In this paper, smart gas lift valve has been used to investigate the effect of the valve port size, depth of injection and vertical lift performance on well productivity; all these aspects have been investigated using PROSPER simulator program coupled with experimental data. The results show that by using smart gas lift valve, the gas injection rate can be controlled which leads to improved flow performance.

Item Type: Article
Schools: Schools > School of Computing, Science and Engineering
Journal or Publication Title: International Journal of Mechanical and Mechatronics Engineering
Publisher: World Academy of Science, Engineering and Technology (WASET)
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Depositing User: Amir Nourian
Date Deposited: 04 Feb 2021 15:00
Last Modified: 16 Feb 2022 06:40

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