Robert Jeffrey

Commonwealth Scientific and Industrial Research Organisation Australia

Prior to joining CSIRO in 1989, Rob Jeffrey worked for Dowell Schlumberger, working on hydraulic fracturing and specifically fracturing of coalbed methane wells. He continued with this research interest at CSIRO and has run a range of projects investigating hydraulic fracture mechanics in coal and in naturally fractured orebodies. Rob was instrumental in introducing hydraulic fracturing to the mining industry for cave inducement and preconditioning of rock masses and this technology is now being used at mines in Australia and Chile. He is an expert on hydraulic fracture growth in naturally fractured rock as applied to oil and gas stimulations, preconditioning of mining orebodies and hot fractured rock reservoirs.

1books edited

4chapters authored

Latest work with IntechOpen by Robert Jeffrey

This book comprises the proceedings for the International Conference for Effective and Sustainable Hydraulic Fracturing (HF2013) which was held 20-22 May 2013 in Brisbane, Australia. The conference goal was to advance hydraulic fracturing technology that is effective in its purpose and sustainable in its impacts on communities and environments by bringing together hydraulic fracturing experts not only from the petroleum industry, but also from other application areas of hydraulic fracturing such as mining and geothermal energy production. Topics include hydraulic fracturing of naturally fractured formations, well completions and fracture initiation, induced seismicity, experimental investigations, and coupled modelling. Beyond this mix of traditional hydraulic fracturing research topics, this book includes papers on applications in mining and also on regulations, risk, and communities.

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Effective and Sustainable Hydraulic Fracturing

Edited by Robert Jeffrey

Chapters authored

Monitoring and Measuring Hydraulic Fracturing Growth During Preconditioning of a Roof Rock over a Coal Longwall Panel

By R. G. Jeffrey, Z. Chen, K. W. Mills and S. Pegg

Part of the book: Effective and Sustainable Hydraulic Fracturing

Three Dimensional Forms of Closely-Spaced Hydraulic Fractures

By James Kear, Justine White, Andrew P. Bunger, Rob Jeffrey and Mir- Akbar Hessami

Part of the book: Effective and Sustainable Hydraulic Fracturing

An Efficient and Accurate Approach for Studying the Heat Extraction from Multiple Recharge and Discharge Wells

By Bisheng Wu, Xi Zhang, Andrew Bunger and Rob Jeffrey

In order to understand the thermal recovery Behavior of an engineered geothermal system (EGS), this paper develops a model in which fluid circulates in a single, planar hydraulic fracture with a constant hydraulic aperture via multiple recharging and discharging wells. The coupled equations for heat convection in the fracture plane and heat transfer into the rock are provided for steady and irrotational fluid flow conditions. By using velocity potentials and streamline functions, the temperature along a streamline is found to be only a function of the potential. By utilizing the Laplace transformation, the analytical solutions in the Laplace space for the temperature field are found, which are numerically inverted for time-domain results. Several examples with different arrangements of injection and production wells are investigated and the comparison with other published results is provided. The semi-analytical results demonstrate that the proposed model provides an efficient and accurate approach for predicting the temperatures of a multi-well reservoir system.

Part of the book: Effective and Sustainable Hydraulic Fracturing

Development of Fracture Networks Through Hydraulic Fracture Growth in Naturally Fractured Reservoirs

By Xi Zhang and Rob Jeffrey

Part of the book: Effective and Sustainable Hydraulic Fracturing

Robert Jeffrey

Latest work with IntechOpen by Robert Jeffrey

Effective and Sustainable Hydraulic Fracturing

Chapters authored

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