Research Activities of Luis Ayala

Research Interest Areas:

• Natural Gas Engineering
• Multiphase Flow in Pipelines and Multiphase Network Analysis
• Thermodynamics of Hydrocarbon Fluids
• Compositional Reservoir Simulation
• Gas Condensate Fluid Behavior
• Artificial Intelligence Applications

Selected Publications:

Ayala H., L.F. and Karpyn, Z., On the Calculation of Static Bottom-Hole Pressures in Gas Wells, Petroleum Science and Technology, v. 25, n. 8, p. 1099-1104, August 2007

Ayala H., L.F., Ertekin, T., and Adewumi, M., Numerical Analysis of Multi-mechanistic Flow Effects in Naturally Fractured Gas-Condensate Systems, J. Petroleum Science and Engineering, v. 58, n. 1-2, p. 13-29, August 2007

Ayala H., L.F., and Ertekin, T. Neuro-Simulation Analysis of Pressure Maintenance Operations in Gas-Condensate Reservoirs, J. Petroleum Science and Engineering,  v. 58, n. 1-2, p. 207-226, August 2007

Ayala, O. F., Ayala H., L. F., and Ayala, O.M., Multi-phase Flow Analysis in Oil and Gas Engineering Systems and its Modeling, Hydrocarbon World 2007 ISSN: 1753-3899, p. 57-61, Touch Briefings Ltd., London, UK, July 2007.

Kelner, E., Ayala H., L.F., and Garcia, A., Model Improves Measurement and Control; Helps Locate Liquids, Pipeline & Gas J., v. 234, n. 7,  p. 28-42, July 2007

Urquidi-Macdonald, M., Ashutosh, T., and Ayala H., L. F., A Neuro-Fuzzy Knowledge-based Model for the Risk Assessment of Microbiologically Influenced Corrosion (MIC) in Crude-Oil Pipelines, 2007 International Conference on Biocorrosion of Materials (BIOCORYS), EFC Event No. 293, Paris, France, June 12-13, 2007.

Ayala H., L.F. and Koaussi, J.P., The Similarity Theory Applied to the Analysis of Multiphase Flow in Gas Condensate Reservoirs, Energy and Fuels., v. 21, n. 3, p. 1592-1600, May/June 2007.

Ayala H., L.F., Ertekin, T., and Adewumi, M., Study of Gas-Condensate Reservoir Exploitation Using Neuro-Simulation, SPE Reservoir Engineering and Evaluation J., v. 10, n. 2, p. 140-149, April 2007.

Baris, O., Ayala, L., Watson, R., Numerical Modeling of Foam Drilling Hydraulics, The Journal of Engineering Research, v. 4, n. 1, pp. 103-119, Jan. 2007

Kouassi, J.P. and Ayala H., L.F., An Analysis of the Pressure Transient Behavior of Gas-Condensate Reservoirs, in press, Energy Sources – Part A  

Ertekin, T. and Ayala H., L.F. Numerical Analysis of Retrograde Behavior in Fissured Systems: The Single-Block Model, in press, Petroleum Science and Technology

Ayala H., L.F, The Role of Fluid Thermodynamic Behaviour in Natural Gas Handling and Transportation, Business Briefing: Hydrocarbon World 2006, ISSN: 1753-3902, p. 61-66, Touch Briefings Ltd., London, UK, Dec. 2006.

Ayala H., L.F., Ertekin, T., and Adewumi, M., Compositional Modeling of Gas-Condensate Reservoirs in Multimechanistic Flow Domains, SPE Journal, v. 11, n. 4, p. 480-487, Dec. 2006.

Ayala H., L.F., On the Non-Ideality of Hydrocarbon Fluids: Implications for Natural Gas Engineering – Part A, Petroleum Journals Online, e-journal of reservoir engineering, v.1, n. 1, Nov. 2006.

Ayala H., L.F., On the Non-Ideality of Hydrocarbon Fluids: Implications for Natural Gas Engineering – Part B, Petroleum Journals Online, e-journal of reservoir engineering, v.1, n. 1, Nov. 2006.

Al-Farhan, F. and Ayala H., L.F: Optimization of Surface Condensate Production from Natural Gases Using Artificial Intelligence, J. Petroleum Science and Engineering, v. 53, pp. 135-147, August 2006.

Ayala H., L.F, Phase Behavior of Hydrocarbon Fluids: The Key to Understanding Oil and Gas Engineering Systems, Business Briefing: Oil & Gas Processing Review 2006, ISBN: 1-905052-47-2, p. 16-18, Touch Briefings Ltd., London, UK, Feb. 2006.

Ayala H., L.F., and Adewumi, M., Low-Liquid Loading Multiphase Flow in Natural Gas Pipelines, Journal of Energy Resources and Technology, Trans. ASME, v. 125, p. 284-293, December 2003.

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