Publications
As of May 2026, Dr. Ma has authored or co-authored 23 peer-reviewed journal articles, such as in Nature Comminications, Environmental Science & Technology, Renewable and Sustainable Energy Reviews, Applied Ennergy, Energy Conversion and Management, and Energy. His work has been cited ~650 times, with an h-index of 12.
Retrieve full publication list on Google Scholar.
Journal Articles
2026
[J23] Gupta, S., Tullos, E., Lyon, D., Ma, H., Ravikumar, A. P.*, (2026). Evaluating Field Performance Thresholds for Aerial Methane Technologies Using Large-Scale Field Measurements. In press, ACS ES&T Air.
[J22] Xue, Z., Bi, J., Ma, H., Sun, Z., Chen, Z.*, (2026). A robust physics-constrained neural operator framework for efficient geothermal resource development. In press, Nature Communications.
[J21] Yang, J., Yang, J., Chang, K., Lyu C., Ma, H., Cheng, Q.*, Luo, Z.*, (2026). Techno-economic optimization of a modular PEM electrolysis system for distributed hydrogen production. Applied Energy. 413; 127759.
[J20] Di, C., Tian, F., Zhao, L., Deng, P., Ma, H., Liu, B., Peng, L., Chen, Z.*, (2026). Cooling Effects on Capillary Sealing in CO₂-Plume Geothermal Systems: Capillary Pressure Modeling and Leakage Assessment, Environmental Science & Technology, 60(8), 6149-6161.
2025
[J19] Ma, H., Nabil, S. K., An, K.*, Nishikawa, E., Kibria, M. G., Bergerson, J. A., Chen, Z., McCoy, S. T.*, (2025). One- or two-step processes: which have a lower GHG impact for production of synthetic aviation fuel via indirect CO2 electrolysis? Carbon Capture Science & Technology. 17:100477.
[J18] Ma, H., Lu, Y.*, Kou, Z., Xue, Z.*, Zhang, K.*, Deng, P., Di, C., Zhu, Y., Wang, H., Chen, Z., (2025). Cybersecurity and Cyber-Attacks in the Growing Natural Gas and Hydrogen Industry: A Systematic Review of Challenges and Opportunities. Gas Science and Engineering. 143: 205744.
[J17] Gao, X., Zhang, K.*, Ji, D., Ma, H.*, Meng, Y., Jiang, S., Tian, W., Tang, Y., He, L., Liu, C., Lau, H. C., Chen, Z., (2025). A proposed layout of CO2 capture, utilisation, and storage for coal-fired power plants in China. Fuel 401: 135723.
[J16] Di, C., Wei, Y., Ma, H., Deng, P., Liu, B., Wang, K., Chen, Z.*, (2025). Accelerating geological gas-storage simulations: A novel and efficient gases–brine phase-equilibrium calculation algorithm. Renewable Energy 252: 123545.
[J15] Xue, Z., Wei, Z., Ma, H., Sun, Z., Lu, C., Chen, Z.*, (2025). Exploring the role of fracture networks in enhanced geothermal systems: Insights from integrated thermal-hydraulic-mechanical-chemical and wellbore dynamics simulations. Renewable and Sustainable Energy Reviews, 215: 115636.
[J14] Deng, P., Ma, H., Song, J., Peng, X., Zhu, S., Xue, D., Jiang, L., Chen, Z.*, (2025). Carbon dioxide as cushion gas for large-scale underground hydrogen storage: Mechanisms and implications. Applied Energy, 388: 125622.
[J13] Ma, H.*, McCoy, S. T., Chen, Z.*, (2025). Development and comparison of reduced-order models for CO₂-enhanced oil-recovery predictions. Energy, 320: 135313.
[J12] Ma, H.*, Yang, Y., Xue, Z., Clarkson, C. R., Chen, Z.*, (2025). Transitioning from emission source to sink: Economic and environmental trade-offs for CO₂-enhanced coalbed-methane recovery of the Mannville coal, Canada. Science of the Total Environment, 966: 178721.
2024
[J11] Xue, Z., Zhang, Y., Ma, H.*, Lu, Y., Zhang, K., Wei, Y., Wang, M., Wu, W., Chai, M., Sun, Z., Chen, Z.*, (2024). A combined neural-network forecasting approach for CO₂-enhanced shale-gas recovery. SPE Journal, 29 (08): 4459–4470. SPE-219774-PA.
[J10] Xue, Z., Ma, H.*, Sun, Z., Lu, C., Chen, Z.*, (2024). Technical analysis of a novel economically mixed CO₂–water enhanced-geothermal system. Journal of Cleaner Production, 448: 141749.
[J9] Xue, Z., Ma, H., Wei, Y., Wu, W., Sun, Z., Chai, M., Zhang, C., Chen, Z.*, (2024). Integrated technological and economic feasibility comparisons of enhanced-geothermal systems associated with carbon storage. Applied Energy, 359: 122757.
[J8] Yang, Y., Liu, S.*, Ma, H., (2024). Impact of unrecovered gas reserve on methane emissions from abandoned shale-gas wells. Science of the Total Environment, 913: 169750.
2023
[J7] Deng, P., Chen, Z.*, Peng, X., Wang, J., Zhu, S., Ma, H., Wu, Z., (2023). Optimized lower-pressure limit for condensate underground-gas storage using a dynamic pseudo-component model. Energy, 285: 129505.
[J6] Xue, Z., Zhang, K., Zhang, C., Ma, H., Chen, Z.*, (2023). Comparative data-driven enhanced-geothermal-systems forecasting models: A case study of the Qiabuqia field, China. Energy, 280: 128255.
[J5] Xue, Z., Yao, S., Ma, H., Zhang, C., Zhang, K., Chen, Z.*, (2023). Thermo-economic optimization of an enhanced-geothermal system based on machine-learning and differential-evolution algorithms. Fuel, 340: 127569.
[J4] Ma, H., Sun, Z., Xue, Z., Zhang, C., Chen, Z.*, (2023). A systematic review of the hydrogen supply chain in the energy transition. Frontiers in Energy, 17: 102–122.
2022
[J3] Ma, H., Yang, Y.*, Zhang, Y., Li, Z., Zhang, K., Xue, Z., Zhan, J., Chen, Z.*, (2022). Optimized schemes of enhanced shale-gas recovery by CO₂–N₂ mixtures associated with CO₂ sequestration. Energy Conversion and Management, 268: 116062.
[J2] Ma, H., Yang, Y.*, Chen, Z.*, (2022). Numerical simulation of bitumen recovery via supercritical-water injection with in-situ upgrading. Fuel, 313: 122708.
2021
[J1] Ma, H., Chen, S., Xue, D., Chen, Y., Chen, Z.*, (2021). Outlook for the coal industry and new coal-production technologies. Advances in Geo-Energy Research, 5 (2): 119-120.
Conference Proceedings
[C15] Ma, H., Zhu, Y., Long, W., Masnadi, M., Heath, G., Balcombe, P., Ravikumar, A. P. (2025) Measurement-informed, geospatial life-cycle GHG emissions of global liquefied-natural-gas supply chains. ACS Spring 2025, San Diego, CA, USA, Mar 23-27.
[C14] Xue, Z., Ma, H., Chen, Z. (2024) Combining geothermal-energy recovery and carbon sequestration in EGS using different working fluids. AGU 24, Washington, D.C., USA, Dec 9-13.
[C13] Ma, H., Xue, Z., Yang, Y., Chen, Z. (2024) System assessment of CO2-enhanced coal-bed-methane production in Mannville, Canada. AGU 24, Washington, D.C., USA, Dec 9-13.
[C12] Ma, H., Tullos, E., Lyon, D., Gupta, S., Ravikumar, A. P. (2024) Discrepancy in intermittency-accounting methods of methane emissions from aerial surveys of oil and gas facilities. AGU 24, Washington, D.C., USA, Dec 9-13.
[C11] Ma, H., Xue, Z., Yang, Y., Chen, Z. (2024) Environmental cost of large-scale underground hydrogen storage in saline aquifers. AGU 24, Washington, D.C., USA, Dec 9-13.
[C10] Ma, H., Zhu, Y., Long, W., Masnadi, M., Heath, G., Balcombe, P., Ravikumar, A. P. (2024) Measurement-informed, geospatial life-cycle GHG emissions of global LNG supply chains. Energy Emissions Modeling & Data Lab 2024 Annual Event, Austin, TX, USA, Oct 22-23.
[C9] Ma, H., Chen, Z., McCoy, S. T. (2024) Motivating CO2-EOR to geologic carbon storage via integrated techno-economic and life-cycle assessments. GHGT-17, Calgary, Canada, Oct 20-24.
[C8] Ma, H., An, K., Nabil, S. K., Kibria, M. G., McCoy, S. T. (2024) Uncertainty analysis of CO2-ethanol-synthetic aviation-fuel pathways. GHGT-17, Calgary, Canada, Oct 20-24.
[C7] Xue, Z., Ma, H., Chen, Z. (2024) Integration of geothermal-energy recovery and carbon sequestration in an EGS by CO2-water mixtures. SPE Western Regional Meeting, Palo Alto, CA, USA, Apr 16-18.
[C6] Ma, H., Yang, Y., Xue, Z., Chen, Z. (2023) Techno-economic feasibility of CO2 storage associated with enhanced coal-bed-methane production: Mannville coal case study. CSChE 2023, Calgary, Canada, Oct 29–Nov 1.
[C5] Song, Y., Song, Z., Meng, Y., Ma, H., Chen, Z., Zhang, Y., Zhang, L., Feng, D. (2023) Effect of CO2 dissolution on fluid flow and phase behaviour in oil-water systems in shale reservoirs. URTeC, Denver, CO, USA, Jun 13-15.
[C4] Ma, H., Yang, Y., Xue, Z., Chen, Z.* (2023) Comparative machine-learning frameworks for forecasting CO2/CH4 competitive adsorption ratio in shale. SPE Western Regional Meeting, Anchorage, AK, USA, May 22-25.
[C3] Xue, Z., Ma, H., Chen, Z.* (2023) Numerical investigation of energy production from an enhanced geothermal system associated with CO2 sequestration. SPE Western Regional Meeting, Anchorage, AK, USA, May 22-25.
[C2] Ma, H., McCoy, S. T.*, Chen, Z.* (2022) Economic and engineering co-optimization of CO2 storage and oil recovery. GHGT-16, Lyon, France, Oct 23-27.
[C1] Liu, H.*, Cui, L., Liu, Z., Zhou, C., Yao, M., Ma, H., Liu, Q. (2022) Machine-learning optimisation of well-stimulation design in heterogeneous naturally fractured tight reservoirs. SPE Canadian Energy Technology Conference, Calgary, Canada, Mar 16-17.
Non Peer-reviewed Preprints
[Preprint] Ma, H., Zhu, Y., Long, W., Masnadi, M., Heath, G. A., Balcombe, P., George, F., Roman-White, S., Ravikumar, A.P.*, (2025) Probabilistic, Measurement-Informed Greenhouse Gas Emissions from Global Liquefied Natural Gas Supply Chains Reveal Wide Country-Level Variation
[Note: * denotes corresponding author]