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Original Article | Open Access

GAWPS: A MRST-based module for wellbore profiling and graphical analysis of flow units

TRIL Lab, Graduate Program in Mechanical Engineering, Federal University of Paraíba, João Pessoa, Brazil
Mathematics and Cybernetics, SINTEF Digital, Oslo, Norway
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Abstract

Several graphical methods have been developed to understand the stratigraphy observed in wells and assist experts in estimating rock quality, defining limits for barriers, baffles, and speed zones, and in particular, delineating hydraulic flow units. At present, there exists no computational tool that bundles the main graphical methods used for defining flow units. This paper introduces an add-on module to the MATLAB Reservoir Simulation Toolbox that contains computational routines to carry out such graphical analyses, both qualitatively and quantitatively. We also describe a new secondary method defined as the derivative of the stratigraphic modified Lorenz plot, which we use to classify depth ranges within the reservoir into barriers, strong baffles, weak baffles, and normal units, based on flow unit speed over those depths. We demonstrate the capabilities of the "Graphical Analysis for Well Placement Strategy" module by applying it to several case studies of both real and synthetic reservoirs.

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Advances in Geo-Energy Research
Pages 38-53
Cite this article:
Oliveira GP, Rodrigues TNE, Lie K-A. GAWPS: A MRST-based module for wellbore profiling and graphical analysis of flow units. Advances in Geo-Energy Research, 2022, 6(1): 38-53. https://doi.org/10.46690/ager.2022.01.04

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Received: 19 November 2021
Revised: 14 December 2021
Accepted: 15 December 2021
Published: 20 December 2021
© The Author(s) 2021

Open Access This article is distributed under the terms and conditions of the Creative Commons Attribution (CC BY-NC-ND) license, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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