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Dissertation/Thesis Abstract

Heat Transfer in Gas Lift Wells Considering Joule-Thompson Effect
by Jiang, Shuxian, M.S., University of Louisiana at Lafayette, 2016, 77; 10163289
Abstract (Summary)

Gas lift method is widely used to increases oil production rate. Establishment of heat transfer model and prediction of temperature profile are meaningful in designing gas lift valves and achieving high gas lift efficiency. In the heat transfer model, heat balance equations in tubing and annulus are built under steady state condition. Equations are derived with two boundary conditions. Joule-Thompson effect is considered when gas is pushed through the gas lift valve and this will make the temperature prediction more accurate than that in other models. Changes of temperature in tubing and annulus with depth is revealed in the case study. Temperature profile in the proposed model is compared with Hasan’s model and Gilbertson’s model and verified against field data. In sensitivity analysis, effects of the gas injection rate, oil production rate, heat conductivity of cement and tubing on temperature profile of tubing and annulus are discussed.

Indexing (document details)
Advisor: Guo, Boyun
Commitee: Boukadi, Fathi, Feng, Yin
School: University of Louisiana at Lafayette
Department: Petroleum Engineering
School Location: United States -- Louisiana
Source: MAI 56/01M(E), Masters Abstracts International
Subjects: Engineering, Petroleum engineering
Keywords: Gas lift, Heat transfer, Joule-Thompson effect
Publication Number: 10163289
ISBN: 978-1-369-17981-1
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