Modeling Pressure Drop in Horizontal Wells

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Abstract/Contents

Abstract
An understanding of flow in long horizontal wells can be important for reservoir management. As the completed length of horizontal wells can be significantly larger than that of conventional vertical wells, the axial pressure drop along them can be significant and can, as a result, affect the overall production characteristics of a reservoir. A significant body of experimental and modeling work has been done to study wellbore flow. The principal objective of this project is to evaluate and extend existing correlations for wellbore pressure drop through extensive comparison against theexperimental data. The main focus is on the single phase flow of water and two phase flow of air-water and oil-water systems. Various correlations developed empirically and using computational fluid dynamics (CFD) are tested for single phase data. A modification is suggested in order to account for perforation density. Analysis of air-water flow suggests the need for modifications in the homogeneous and mechanistic models. For oil-water systems, an existing model based on the effective viscosity is extended to account for dependence on the superficial liquid velocity. Based on this study it is concluded that further experiments and analysis will be required to achieve a more accurate model for this case.

Description

Type of resource text
Date created June 2000

Creators/Contributors

Author Mahashabde, Jaydeep M.
Primary advisor Durlofsky, Louis J.
Degree granting institution Stanford University, Department of Petroleum Engineering

Subjects

Subject School of Earth Energy & Environmental Sciences
Genre Thesis

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User agrees that, where applicable, content will not be used to identify or to otherwise infringe the privacy or confidentiality rights of individuals. Content distributed via the Stanford Digital Repository may be subject to additional license and use restrictions applied by the depositor.

Preferred citation

Preferred Citation
Mahashabde, Jaydeep M. (2000). Modeling Pressure Drop in Horizontal Wells. Stanford Digital Repository. Available at: https://purl.stanford.edu/fp471rw8580

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Master's Theses, Doerr School of Sustainability

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