Three-phase network simulator for horizontal wells with complex advanced well completions

Liu, Jiyi (2009) Three-phase network simulator for horizontal wells with complex advanced well completions. Masters thesis, Memorial University of Newfoundland.

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This study presents an integrated steady-state flow network model to predict the flow parameters in horizontal wells and the near wellbore region. The flow parameters are solved for pressure, flow rates and phase fractions. The fundamental network model is flexible and modular in order to simulate the fluid phase behaviors in various production conditions and different advanced well completions. -- Compared to an existing three phase flow model that is based on a liquid-gas formulation, the model for three individual phases proposed in this research is more proper and systematic to portray the fluid behavior during production and enhanced oil recovery processes. -- The network model is based on black oil three phase model in an isothermal environment, and the Newton-Raphson iterative technique is used to solve for the unknowns. The well completions and the near wellbore region are represented by the distribution of nodes that are interconnected by flow channels. -- By using this proposed model, the fluid phase behavior could be predicted for horizontal wells with complex completions, including the open hole, stinger completion, slotted liner, and multiple inflow control devices. -- Generally, water is the third phase flow in addition to oil and gas in the reservoir and wellbore. Therefore, in this research the three-phase flow was considered as oil-water-gas.

Item Type: Thesis (Masters)
Item ID: 9372
Additional Information: Includes bibliographical references (leaves 125-127)
Department(s): Engineering and Applied Science, Faculty of
Date: 2009
Date Type: Submission
Library of Congress Subject Heading: Horizontal gas well drilling--Mathematical models; Horizontal oil well drilling--Mathematical models; Multiphase flow--Mathematical models

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