Please use this identifier to cite or link to this item:
https://hdl.handle.net/2440/79859
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Type: | Journal article |
Title: | Residual opening of hydraulic fractures filled with compressible proppant |
Author: | Bortolan Neto, L. Kotooussov, A. |
Citation: | International Journal of Rock Mechanics and Mining Sciences, 2013; 61:223-230 |
Publisher: | Pergamon-Elsevier Science Ltd |
Issue Date: | 2013 |
ISSN: | 1365-1609 1873-4545 |
Statement of Responsibility: | Luiz Bortolan Neto, Andrei Kotousov |
Abstract: | In hydraulic stimulations of oil and gas wells, injection of proppant (or small particles) is normally needed to avoid the closure of the created fractures under confining stresses. The residual openings of these fractures determine the efficiency and, in general, the success of the hydraulic stimulations. Despite the vast number of papers devoted to fluid driven fractures and hydraulic stimulation procedures, there has not been much research conducted on residual fracture profiles. This problem is characterised by a strong non-linearity and represents a challenge for numerical modelling. In this paper a simple semi-analytical method for calculating the residual openings of fractures partially filled with proppant is developed. It is based on the Distributed Dislocation Technique and Terzaghi's classical consolidation model. One of the results of simulations indicates that the proppant distribution and its mechanical properties have a significant influence on the residual fracture profiles. © 2013 Elsevier Ltd. |
Keywords: | Hydraulic well stimulation Well productivity Residual fracture opening Distributed Dislocation technique Terzaghi's consolidation model |
Rights: | Copyright © 2013 Elsevier Ltd. All rights reserved. |
DOI: | 10.1016/j.ijrmms.2013.02.012 |
Grant ID: | http://purl.org/au-research/grants/arc/DP1094299 http://purl.org/au-research/grants/arc/LP100100613 http://purl.org/au-research/grants/arc/LP100100613 http://purl.org/au-research/grants/arc/DP1094299 |
Published version: | http://dx.doi.org/10.1016/j.ijrmms.2013.02.012 |
Appears in Collections: | Aurora harvest 4 Mechanical Engineering publications |
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hdl_79859.pdf | Accepted version | 465.39 kB | Adobe PDF | View/Open |
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