Wormhole Network Imaging in Post-Chops Process Using Ground-Penetrating Radar

X. Zhou; G. H. Huang; C. J. An; C. Lu; Y. Yao; P. Zhang; Y. Y. Zhai; X. J. Chen; Y. H. Wu; J. Shen

doi:10.3808/jeil.202000030
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Wormhole Network Imaging in Post-Chops Process Using Ground-Penetrating Radar

X. Zhou¹, G. H. Huang^1,2*, C. J. An³, C. Lu¹, Y. Yao², P. Zhang², Y. Y. Zhai¹, X. J. Chen², Y. H. Wu¹, and J. Shen²

Institute for Energy, Environment and Sustainable Communities, 240, 2 Research Drive, Regina, Saskatchewan, S4S 7H9 Canada
Department of Environmental Systems Engineering, University of Regina, 3737 Wascana Parkway, Regina, Saskatchewan, S4S 0A2 Canada
Department of Building, Civil and Environmental Engineering, Concordia University, Montreal, Quebec, H3G 1M8 Canada

*Corresponding author. Tel: +1 3065854095; fax: +1 3063373205. E-mail address: huang@iseis.org (G. H. Huang).

Abstract

In this study, an integrated near-field GPR system (INFGPRs) with a frequency tunable patch antenna was developed to investigate wormholes in oil sand that emerge during CHOPS. 3-dimension imaging of wormholes was then obtained based on INFGPRs through step-scanning against the wall of inspection wells. The feasibility and availability of the developed GPR system were identified through bench-scale simulation in the lab. In addition, a factorial factor experiment was designed in order to reveal the interaction effects of impact factors (depth, size, and content of wormhole) on the performance of the developed GPR system.

Keywords: CHOPS, wormholes, factorial analysis

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