Influence of extreme fracture flow channels on the thermal performance of open-loop geothermal systems at commercial scale

N. Rangel-Jurado, A. J. Hawkins, P. M. Fulton

Geothermal Energy, vol. 11, 2023

Techno-economic performance of closed-loop geothermal systems for heat production and electricity generation

K. Beckers, N. Rangel-Jurado, H. Chandrasekar, A. J. Hawkins, P. M. Fulton, J. W. Tester

Geothermics, vol. 100, 2022

Estimation of flow-channel structures with uncertainty quantification

A. Suzuki, E. K. Bjarkason, A. Yamaguchi, A. J. Hawkins, T. Hashida

Geothermics, vol. 105, 2022

Comparison of microbial profiling and tracer testing for the characterization of injector-producer interwell connectivities

Y. Zhang, A. E. Dekas, A. J. Hawkins, J. Carlo Primo, O. Gorbatenko

Water, vol. 14(18), 2022

Geological activity shapes the microbiome in deep-subsurface aquifers by advection

Y. Zhang, R. N. Horne, A. J. Hawkins, J. Carlo Primo, O. Gorbatenko, A. E. Dekas

Proceedings of the National Academy of Sciences, vol. 119, 2022

Temperature-responsive smart tracers for field-measurement of inter-well thermal evolution: Heterogeneous kinetics and field demonstration

A. J. Hawkins, J. T. Bender, R. Grooms, C. J. Schissel, J. W. Tester

Geothermics, vol. 92, 2021

The evolving role of geothermal energy for decarbonizing the United States

J. Tester, K. Beckers, A. J. Hawkins, M. Lukawski

Energy & Environmental Science, vol. 14, 2021, pp. 6211-6241

Predicting thermal performance of an enhanced geothermal system from tracer tests in a data assimilation framework

H. Wu, P. Fu, A. J. Hawkins, H. Tang, J. P. Morris

Water Resources Research, vol. 57, 2021

Characterization of flow and transport in a fracture network at the EGS Collab field experiment through stochastic modeling of tracer recovery

H. Wu, P. Fu, J. P. Morris, E. D. Mattson, G. Neupane, M. M. Smith, A. J. Hawkins, Y. Zhang, T. Kneafsey

Journal of Hydrology, vol. 593, 2021

DNA tracer transport through porous media - The effect of DNA length and adsorption

Y. Zhang, M. Hartung, A. J. Hawkins, A. E. Dekas, K. Li, R. N. Horne

Water Resources Research, vol. 57, 2021

Predictive inverse model for advective heat transfer in a short-circuited fracture: Dimensional analysis, machine learning, and field demonstration

A. J. Hawkins, D. B. Fox, D. L. Koch, M. W. Becker, J. W. Tester

Water Resources Research, vol. 56, 2020

Optimization of fluorescence and surface adsorption of citric acid/ethanolamine carbon nanoparticles for subsurface tracers

L. Sinclair, J. Brown, D. May, B. Guilvaiee, A. Hawkins, L. Cathles

Carbon, vol. 169, 2020

Microbial community composition in deep-subsurface reservoir fluids reveals natural interwell connectivity

Y. Zhang, A. E. Dekas, A. J. Hawkins, A. E. Parada, O. Gorbatenko, K. Li, R. N. Horne

Water Resources Research, vol. 56, 2020

Chemical dissolution drilling of Barre granite using a sodium hydroxide enhanced supercritical water jet

I. Beentjes, J. T. Bender, A. J. Hawkins, J. W. Tester

Rock Mechanics and Rock Engineering, vol. 53, 2019

Inert and adsorptive tracer tests for field measurement of flow-wetted surface area

A. J. Hawkins, M. W. Becker, J. W. Tester

Water Resources Research, vol. 54, 2018

Evaluation of inert tracers in a bedrock fracture using ground penetrating radar and thermal sensors

A. J. Hawkins, M. W. Becker, G. Tsoflias

Geothermics, vol. 67, 2017

Measurement and simulation of heat exchange in fractured bedrock using inert and thermally degrading tracers

A. J. Hawkins, D. B. Fox, M. Becker, J. Tester

Water Resources Research, vol. 53, 2017