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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