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Type: Conference paper
Title: On the coarse-scale residual opening of hydraulic fractures created using the Channel Fracturing technique
Author: Luong, H.
Khanna, A.
Kotooussov, A.
Rose, F.
Citation: Advances in mechanics: failure, deformation, fatigue, waves and monitoring: Proceedings of The 11th International Conference on Structural Integrity and Failure, 2018 / Dyskin, A., Pasternak, E. (ed./s), pp.95-100
Publisher: Australian Fracture Group
Issue Date: 2018
ISBN: 9781740524094
Conference Name: The 11th International Conference on Structural Integrity and Failure (3 Dec 2018 - 6 Dec 2018 : Perth, WA)
Editor: Dyskin, A.
Pasternak, E.
Statement of
Hao Luong, Aditya Khanna, Andrei Kotousov, Francis Rose
Abstract: Channel fracturing is a novel technique utilised to achieve discontinuous placement of proppant within a hydraulic fracture and create a network of open channels or voids between the proppant-filled regions (proppant columns), which can significantly increase the conductivity of the fracture. The problem of deformation and fluid flow in a partially-filled fracture involves two length scales: a large scale comparable to the length of the fracture ~O(10²) m and a fine scale comparable to the length of the proppant filled regions or ‘columns’ ~ O(1) m. In this paper, a homogenisation procedure is developed to obtain the residual opening profile and effective fracture conductivity at the large scale from the solution of a ‘unit-cell’ problem at the fine scale. The application of the model in a practical scenario is demonstrated by performing a mock numerical simulation
Keywords: Channel fracturing; optimal proppant usage; residual opening; homogenisation procedure
Rights: © The Authors
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Mechanical Engineering conference papers

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