Journal Publications

2024    2023    2022    2021    2020    2019    2018    2017    2016    2015    2014    2013    2012

Conference Proceedings

2024    2023    2022    2021    2020    2019    2018    2017    2016    2015    2014    2013    2012

Journal Publications

2024

Garcia*, A. P. and Heidari, Z. A New Numerical Simulation Framework to Model the Electric Interfacial Polarization Effects and Corresponding Impacts on Complex Dielectric Permittivity Measurements in Sedimentary Rocks. Mathematical Geoscience 56, 1073 – 1103 (2024). July 2024. DOI: 10.1007/s11004-023-10124-3

Dash*, S. and Heidari, Z. Impacts of Solid Rock Components on Resistivity-based Reserves Evaluation in Organic-Rich Mudrocks. Petroleum Geosciences Journal 30 (2). May 2024. DOI: 30. 10.1144/petgeo2023-135.

Azizoglu*, Z. and Heidari, Z. The Effect of Salt Concentration on Dielectric Permittivity and Interfacial Polarization in Carbonate Rocks with Complex Pore Structure. SPE Journal 29 (6). 3017 – 3032. June 2024. DOI: 10.2118/210315-PA.

Sahu*, P., Gonzalez*, A., Heidari, Z., and Lopez, O. Propagating Image-based Rock Classes from Cored Wells to Non-Cored Wells using Supervised Machine Learning. Petroleum Geosciences Journal 30 (2). May 2024. DOI: 10.1144/petgeo2023-147.
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2023

Azizoglu*, Z., Garcia*, A. P. Newgord*, C., and Heidari, Z. 2023. Simultaneous Assessment of Wettability and Water Saturation Through Integration of 2D NMR and Electrical Resistivity Measurements. SPE Reservoir Evaluation & Engineering Journal, Formation Evaluation 26 (01), 1 – 14. DOI: 10.2118/201519-PA (February).

Gonzalez*, A., Heidari, Z., and Lopez, O. 2023. Electrical, Diffusional, Hydraulic, and Geometrical Tortuosity Anisotropy Quantification Using 3D Computed Tomography Scan Image Data. SPE Reservoir Evaluation & Engineering Journal, Formation Evaluation 26 (01), 23 – 39. DOI: 10.2118/206109-PA. (February).

Gonzalez*, A., Heidari, Z., and Lopez, O. 2023. Data-Driven Algorithms for Image-based Rock Classification and Formation Evaluation in Formations with Rapid Spatial Variation in Rock Fabric. Petrophysics 64 (02), 154 – 173. DOI: 10.30632/PJV64N2-2023a2. (April).

Dash*, S., Garcia*, A. P., and Heidari, Z. A New Workflow for Improved Resistivity-based Water Saturation Assessment in Organic-Rich Mudrocks: Application to Haynesville, Eagle Ford, and Woodford Formations. SPE Reservoir Evaluation & Engineering Journal, Formation Evaluation 26 (3), 527–542. August 2023. DOI: 10.2118/214656-PA

Gonzalez*, A., Sahu*, P., Heidari, Z., and Lopez, O. Semi-automated Rock Classification for Permeability Estimation Using High-Resolution CT-Scan Images, Core Photos, and Well Logs. SPE Journal 29 (01), 157 – 174. January 2024. DOI: 10.2118/209979-PA

Araujo*, I. S., Jagadisan, A., and Heidari, Z. Impact of Kerogen Geochemistry on Methane and Water Adsorption Isotherms: A Molecular Simulation Approach. Fuel 352. November 2023. DOI: 10.1016/j.fuel.2023.128944

Gomaa*, I., Guerrero Rivera, J. O., Heidari, Z., and Espinoza, D. Experimental Measurements and Molecular Simulation of Carbon Dioxide Adsorption on Carbon Surface. SPE Reservoir Evaluation & Engineering Journal, Formation Evaluation 26 (4), 1454 – 1467. November 2023. DOI:10.2118/210264-PA

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2022

Jagadisan*, A. and Heidari, Z. 2022. Molecular Dynamic Simulation of The Impact of Thermal Maturity and Reservoir Temperature on the Contact Angle and Wettability of Kerogen. Fuel 309. DOI: 10.1016/j.fuel.2021.122039. (February)

Hanafy, A., Nasr-el-Din, H., and Heidari, Z. 2022. A Novel Method to Assess Stimulation of Sandstone Cores Damaged by Fines Migration. SPE Journal 27 (01), 682 – 704. DOI: 10.2118/206734-PA. (February)

Gonzalez*, A., Heidari, Z., and Lopez, O. 2022. Integration of 3D Volumetric CT-Scan Image Data with Conventional Well Logs for Detection of Petrophysical Rock Classes. SPE Reservoir Evaluation & Engineering Journal, Formation Evaluation 25 (02), 146 – 162. DOI:10.2118/208605-PA. (May)

Garcia*, A. P., Heidari, Z., and Torres-Verdin, C. 2022. MultiFrequency Inversion of Complex Electrical Conductivity Measurements for Simultaneous Assessment of Wettability, Porosity, and Water Saturation. SPE Reservoir Evaluation & Engineering Journal, Formation Evaluation 25 (02), 177 – 196. DOI: 10.2118/209215-PA. (May)

Samaddar, P., Hu, J., Wang, Y., Lee, T., Prodanović, M., Heidari, Z., and Hutter, T. 2022. Accepted for Publication. Sorption kinetics and sequential adsorption analysis of volatile organic compounds on mesoporous silica. ACS Omega 7 (47), 43130 – 43138 DOI: 10.1021/acsomega.2c05608. (November).

Araujo*, I. S. and Heidari, Z. 2022. Quantifying Interfacial Interactions Between Minerals and Reservoir/Fracturing Fluids. Petrophysics, Best of annual symposium. 63 (06), 658–670. DOI: https://doi.org/10.30632/PJV63N6-2022a6. (December)

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2021

Dash*, S. and Heidari, Z. 2021. Enhanced Assessment of Fluid Saturation in the Wolfcamp Formation of the Permian Basin. Petrophysics, Best of annual symposium. 62 (6). DOI: 10.30632/PJV.

Jagadisan*, A. and Heidari, Z. 2022. Molecular Dynamic Simulation of The Impact of Thermal Maturity and Reservoir Temperature on the Contact Angle and Wettability of Kerogen. Fuel 309. DOI: 10.1016/j.fuel.2021.122039.

Garcia*, A. P. and Heidari, Z. 2021. Multi-Frequency Analytical Forward Modeling of Dielectric Permittivity Dispersion in Mixed-Wet Sedimentary Rocks. SPE Reservoir Evaluation & Engineering Journal, Formation Evaluation. 24 (2), 450 – 461. DOI: 10.2118/205002-PA.

Garcia*, A. P. and Heidari, Z. 2021. Numerical Modeling of Multi-Frequency Complex Dielectric Permittivity Dispersion of Sedimentary Rocks. Geophysics 86 (4), 179 – 190.

Amin*, S., Wehner, M., Heidari, Z., and Tice, M. 2021. Rock Classification in the Eagle Ford Shale through Integration of Petrophysical, Geological, and Geochemical Characterization. AAPG Bulletin 105 (7), 1357 – 1381.

Garcia*, A. P. and Heidari, Z. 2021. A New Multiphysics Method for Simultaneous Assessment of Permeability and Saturation-Dependent Capillary Pressure in Hydrocarbon-Bearing Rocks. SPE Journal 26 (1): 155 – 171. DOI: 10.2118/195468-PA.

Garcia*, A. P. and Heidari, Z. 2021. Non-Invasive Quantification of Throat-Size Distribution and Corresponding Capillary Pressure. Journal of Petroleum Science and Engineering 196. DOI: 10.1016/j.petrol.2020.108019.

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2020

Newgord*, C., Garcia*, A. P., and Heidari, Z. 2020. Joint Interpretation of Electrical Resistivity and T2 NMR Measurements To Estimate Wettability and Water Saturation. SPE Reservoir Evaluation & Engineering Journal, Formation Evaluation 23 (2): 772 – 782. DOI: 10.2118/200499-PA.

Jagadisan*, A. and Heidari, Z. 2020. Effect of Geochemical Properties on Wettability of Kerogen and Organic-rich Mudrocks. SPE Reservoir Evaluation & Engineering Journal, Formation Evaluation 3 (2): 758 – 771. DOI: 10.2118/199356-PA.

Jagadisan*, A. and Heidari, Z. 2020. Effects of Thermal Maturity and Chemical Composition of Kerogen on its Dielectric Constant. Geophysics 85 (1): D53-D64. DOI: 10.1190/geo2018-0180.1.

Newgord*, C., Tandon*, S., and Heidari, Z. 2020. Simultaneous Assessment Wettability and Water Saturation in Complex Formations Using 2D NMR Measurements: Workflow Development and Core-Scale Verification. Fuel 270: 117431. DOI: 10.1016/j.fuel.2020.117431.

Tandon*, S., Newgord*, C., and Heidari, Z. 2020. Wettability Quantification in Mixed-wet Rocks Using a New NMR-based Method: Model Development and Verification. SPE Reservoir Evaluation & Engineering Journal, Formation Evaluation. 23 (3): 896 – 916. DOI: 10.2118/191509-PA.

Garcia*, A. P., Jagadisan*, A., Hernandez*, L., Heidari, Z., Casey, B., and Williams, R. 2020. Enhanced Formation Evaluation in the Permian Basin Using a Novel Field-Scale Workflow Including Wells with Missing Data. SPE Reservoir Evaluation & Engineering Journal, Formation Evaluation. 23 (3): 865 – 878. DOI: 10.2118/201185-PA.

Gonzalez*, A., Tandon*, S., Heidari, Z., Gramin, P., and Merletti, G. 2020. Reliable Measurement of Saturation-Dependent Relative Permeability in Tight-Gas Sand Formations. Petrophysics 61 (3): 286 – 302. DOI: 10.30632/PJV61N3-2020a3.

Jagadisan*, A. and Heidari, Z. 2020. Impacts of Competitive Water Adsorption of Kerogen and Clay Minerals on Wettability of Organic-Rich Mudrocks. SPE Reservoir Evaluation & Engineering Journal, Formation Evaluation 23 (4): 1180 – 1189. DOI: 10.2118/201202-PA.

Tandon*, S. and Heidari, Z. 2020. Improved Analysis of Nuclear-Magnetic-Resonance Measurements in Organic-Rich Mudrocks Through Experimental Quantification of the Hydrocarbon/Kerogen Intermolecular-Interfacial-Relaxation Mechanism. SPE Journal 25 (5): 2547 – 2563. DOI: 10.2118/202480-PA.

Gonzalez*, A., Kanyan*, L., Heidari, Z., and Lopez, O. 2020. Integrated Multi-Physics Workflow for Automatic Rock Classification and Formation Evaluation Using Multi-Scale Image Analysis and Conventional Well Logs. Petrophysics 61 (5): 495 – 518. DOI: 10.30632/PJV61N5-2020a7.

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2019

Cheng*, K. and Heidari, Z. 2019. A New Experimental Multi-Physics Method for Quantifying Cation Exchange Capacity of Shaly-Sand Formations. Applied Clay Science Journal 171: 100 – 109. DOI: 10.1016/j.clay.2019.01.014.

Cheng*, K. and Heidari, Z. 2019. A New Method for Quantifying Cation Exchange Capacity: Method Verification and Application to Organic-Rich Mudrock Formations. Applied Clay Science Journal 181. DOI: 10.1016/j.clay.2019.105229.

Jagadisan*, A. and Heidari, Z. 2019. Experimental Quantification of the Impact of Thermal Maturity of Kerogen on its Wettability. SPE Reservoir Evaluation & Engineering Journal, Formation Evaluation 22 (4): 1323 – 1333. DOI: 10.2118/195684-PA.

Tandon*, S. and Heidari, Z., 2019. Quantifying the Mechanisms Contributing to Nuclear-Magnetic-Resonance Surface Relaxation of Protons in Kerogen Pores of Organic-Rich Mudrocks. SPE Journal 24 (6): 2438 – 2457. DOI: 10.2118/197063-PA.

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2018

Chen*, H. and Heidari, Z. 2018. Effect of Water Salinity and Water-Filled Pore Volume on High-Frequency Dielectric Measurements in Porous Media. SPE Reservoir Evaluation & Engineering Journal, Formation Evaluation 21 (1): 202 – 214. DOI: 10.2118/186095-PA.

Garcia*, A. P., Jagadisan*, A., Rostami***, A., and Heidari, Z. 2018. A New Resistivity-Based Model for Improved Hydrocarbon Saturation Assessment in Clay-Rich Formations Using Quantitative Geometry of the Clay Network. Petrophysics 59 (3): 318 – 333.

Tandon*, S., Heidari, Z., Aderibigbe*, A., Shi, J., and Fuss, T. 2018. A New Method for Mechanical Damage Characterization in Proppant Packs using Nuclear Magnetic Resonance Measurements. Journal of Petroleum Science and Engineering 167: 343 – 353.

Tandon*, S. and Heidari, Z. 2018. Effect of Internal Magnetic-Field Gradients on Nuclear-Magnetic-Resonance Measurements and Nuclear-Magnetic-Resonance-Based Pore-Network Characterization. SPE Reservoir Evaluation & Engineering Journal, Formation Evaluation 21 (3): 609 – 625. DOI: 10.2118/181532-PA.

Garcia*, A. P., Han*, Y., and Heidari, Z. 2018. Integrated Workflow to Estimate Permeability through Quantification of Rock Fabric Using Joint Interpretation of Nuclear Magnetic Resonance and Electric Measurements. Petrophysics 59 (5): 672 – 693. DOI:10.30632/PJV59N5-2018a7.

Newgord*, C., Garcia*, A. P., Rostami***, A., and Heidari, Z. 2018. Improved Interpretation of Electrical Resistivity Measurements in Mixed-Wet Rocks: An Experimental Core-Scale Application and Model Verification. Petrophysics 59 (5): 703 – 718. DOI:10.30632/PJV59N5-2018a9.

Purba*, S. A., Garcia*, A. P., and Heidari, Z. 2018. A New Hierarchical Method for Rock Classification Using Well-Log-Based Rock Fabric Quantification. Petrophysics 59 (5): 720–734. DOI:10.30632/PJV59N5-2018a10.

Cheng*, K. and Heidari, Z. 2018. A New Method for Quantifying Cation Exchange Capacity in Clay Minerals. Applied Clay Science Journal 161: 444 – 455. DOI: 10.1016/j.clay.2018.05.006.

Garcia*, A. P., Heidari, Z., and Rostami***, A. 2018. A New Workflow for Improved Water-Saturation Assessment in Organic-Rich Mudrocks Honoring Rock Fabric. SPE Reservoir Evaluation & Engineering Journal, Formation Evaluation 21 (4): 837 – 849. DOI: 10.2118/194199-PA.

Garcia*, A. P. and Heidari, Z. 2018. Development of a Resistivity Model That Incorporates Quantitative Directional Connectivity and Tortuosity for Enhanced Assessment of Hydrocarbon Reserves. SPE Journal 23 (5): 1552 – 1565. DOI: 10.2118/181571-PA.

Chen, H. and Heidari, Z. 2018. (Published Online, September 2017). Effect of Water Salinity and Water-Filled Pore Volume on High-Frequency Dielectric Measurements in Porous Media. SPE Reservoir Evaluation & Engineering Journal, Formation Evaluation. DOI: 10.2118/186095-PA.

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2017

Saneifar, M., Heidari, Z., Linroth, M., and Purba, S. A. 2017. Effect of Heterogeneity on Fluid Injectivity Loss during Water-Alternating-Gas Injection in the Scurry Area Canyon Reef Operators Committee Unit. SPE Reservoir Evaluation & Engineering Journal, Formation Evaluation 20 (2): 293 – 303. DOI: 10.2118/175064-PA

Aderibigbe, A., Chen Valdes*, C., Heidari, Z., and Fuss-Dezelic, T. 2017. Mechanical-Damage Characterization in Proppant Packs by Use of Acoustic Measurements. SPE Production & Operations Journal 32 (2): 168 – 176. DOI: 10.2118/181763-PA

Cheng, K. and Heidari, Z. 2017. (Published Online, May 2017). Pore-Network Connectivity and Permeability Assessment by Use of Nuclear Magnetic Resonance Log-Inject-Log Method. SPE Reservoir Evaluation & Engineering Journal, Formation Evaluation. DOI: 10.2118/175066-PA

Cheng, K. and Heidari, Z. 2017. Combined Interpretation of NMR and TGA Measurements to Quantify the Impact of Relative Humidity on Hydration of Clay Minerals. Applied Clay Science Journal 143: 362 – 371. DOI: 10.1016/j.clay.2017.04.006

Tang, H., Killough, J., Heidari, Z., and Sun, Z. 2017. (Published Online, April 2017). A New Technique To Characterize Fracture Density by Use of Neutron Porosity Logs Enhanced by Electrically Transported Contrast Agents. SPE Journal. DOI: 10.2118/181509-PA

Valdes, C. C., and Heidari, Z. 2017. Application of Nanoindentation for Uncertainty Assessment of Elastic Properties in Mudrocks at Micro-scale and Well-log Domains. Geophysics 82 (6): D327 – D339 DOI:10.1190/geo2016-0545.1.

An, C., Yan, B., Alfi, M., Mi, L., Heidari, Z., and Killough, J. 2017. Estimating Spatial Distribution of Natural Fractures by Changing NMR T2 Relaxation with Magnetic Nanoparticles. Journal of Petroleum Science and Engineering 157:  273 – 287. DOI: 10.1016/j.petrol.2017.07.030

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2016​​

Yang, A., Firdaus, G., and Heidari, Z. 2016. Electrical Resistivity and Chemical Properties of Kerogen Isolated from Organic-Rich Mudrocks. Geophysics 81 (6): D643 – D655. DOI: 10.1190/geo2016-0071.1

Chen, H. and Heidari, Z. 2016. Quantifying the Directional Connectivity of Rock Constituents and its Impact on Electrical Resistivity of Organic-Rich Mudrocks. Mathematical Geosciences 48 (3): 285 – 303. DOI: 10.1007/s11004-015-9595-9

Chi, L., Cheng, K., and Heidari, Z. 2016. Improved Assessment of Interconnected Porosity in Multiple-Porosity Rocks by Use of Nanoparticle Contrast Agents and Nuclear-Magnetic-Resonance Relaxation Measurements. SPE Reservoir Evaluation & Engineering Journal, Formation Evaluation 19 (1): 95 – 107. DOI: 10.2118/170792-PA

Oyewole, E., Saneifar, M., and Heidari, Z. 2016. Multiscale Characterization of Pore Structure in Carbonate Formations: Application to the Scurry Area Canyon Reef Operators Committee Unit. Interpretation 4 (2): T157 – T169. DOI: 10.1190/INT-2015-0123.1

Chi, L. and Heidari, Z. 2016. Directional-Permeability Assessment in Formations with Complex Pore Geometry With a New Nuclear-Magnetic-Resonance-Based Permeability Model. SPE Journal 21 (4): 1436 – 1449. DOI: 10.2118/179734-PA

Aderibigbe, A., Cheng, K., Heidari, Z., Killough, J., and Fuss-Dezelic, T. 2016. Application of Magnetic Nanoparticles mixed with Propping Agents in Enhancing Near-Wellbore Fracture Detection. Journal of Petroleum Science and Engineering 141: 133 – 143.

Chen, H. and Heidari, Z. 2016. Pore-Scale Joint Evaluation of Dielectric Permittivity and Electrical Resistivity for Assessment of Hydrocarbon Saturation Using Numerical Simulations. SPE Journal 21 (6): 1930 – 1942. DOI: 10.2118/170973-PA

Aderibigbe, A., Valdes, C. C., and Heidari, Z. 2016. Integrated Rock Classification in the Wolfcamp Shale based on Reservoir Quality and Anisotropic Stress Profile Estimated from Well Logs. Interpretation 4 (2): SF1 – SF18. DOI: 10.1190/INT-2015-0138.1

Valdes, C. C., Aderibigbe, A., and Heidari, Z. 2016. Impact of Anisotropic Porelastic Parameters Estimated using Well Logs and Core Measurements on Stress Prediction in Organic-Rich Mudrocks. Interpretation 4 (3): T359 – T372. DOI: 10.1190/INT-2015-0122.1

Chen, H., and Heidari, Z. 2016. Quantifying the Directional Connectivity of Rock Constituents and its Impact on Electrical Resistivity of Organic-Rich Mudrocks. Mathematical Geosciences: doi: 10.1007/s11004-015-9595-9.

Vallabhaneni, S., Olszewski, T. D., Pope, M. C., and Heidari, Z. 2016. Facies and Stratigraphic Interpretation of the Eaglebine Play in Central Texas. Gulf Coast Association of Geological Societies (GCAGS) Journal 5: 25 – 46.

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2015

Chi, L. and Heidari, Z. 2015. Diffusional Coupling between Microfractures and Pore Structure and Its Impact on Nuclear Magnetic Resonance Measurements in Multi-Porosity Systems. Geophysics 80 (1): D31-D42.

Saneifar, M., Aranibar, A., and Heidari, Z. 2015. Rock Classification in the Haynesville Shale Based on Petrophysical and Elastic Properties Estimated from Well Logs. SEG Interpretation 3 (1): SA65-SA75.

Saneifar, M., Conte, R., Heidari, Z., and Pope, M. 2015. Integrated Rock Classification in Carbonate Formations Based on Elastic and Petrophysical Properties Estimated from Conventional Well Logs. AAPG Bulletin: doi: 10.1306/02091514167.

Saneifar, M., Heidari, Z., and Hill, A.D. 2015. Application of Conventional Well Logs to Characterize Spatial Heterogeneity in Carbonate Formations Required for Prediction of Acid Fracture Conductivity. SPE Production and Operations Journal 30 (1). doi:10.2118/173183-PA.

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2014

Chen, H. and Heidari, Z. 2014. Pore-Scale Evaluation of Dielectric Measurements in Formations with Complex Pore and Grain Structures. Petrophysics 55 (6): 587-597.

Cheng, K., Aderibigbe, A., Alfi, M., Heidari, Z, and Killough, J. 2014. Quantifying the Impact of Petrophysical Properties on Spatial Distribution of Contrasting Nanoparticle Agents in the Near Wellbore Region. Petrophysics 55 (5): 447-460..

Heidari, Z. and Torres-Verdín, C. 2014. Inversion-Based Detection of Bed Boundaries for Petrophysical Evaluation with Well Logs: Applications to Carbonate and Organic-Shale Formations. SEG Interpretation 2 (3): T129-T142.

Kethireddy, N., Chen, H., and Heidari, Z. 2014. Quantifying the Effect of Kerogen on Electrical Resistivity Measurement in Organic-Rich Source Rocks. Petrophysics 55 (3): 136-146.

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2013

Heidari, Z. and Torres-Verdín, C. 2013. Inversion-Based Method for Estimating Total Organic Carbon and Porosity and for Diagnosing Mineral Constituents from Multiple Well Logs in Shale-Gas Formations. SEG Interpretation 1 (1): T113-T123.

Heidari, Z., Torres-Verdín, C., and Preeg, W.E. 2013. Improved Estimation of Mineral and Fluid Volumetric Concentrations in Thinly-Bedded Carbonate Formations. Geophysics 78 (4): D261-D269.

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2012

Heidari, Z., Torres-Verdin, C., Preeg, W.E. 2012. Improved Estimation of Mineral and Fluid Volumetric Concentration from Well Logs in Thinly Bedded and Invaded Formations. Geophysics 77 (3): WA79-WA98.

Heidari, Z., and Torres-Verdin, C. 2012. Estimation of Dynamic Petrophysical Properties of Water-Bearing Sands Invaded with Oil-Base Mud from the Interpretation of Multiple Borehole Geophysical Measurements. Geophysics 77 (6): D209-D227.

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Conference Proceedings

2024

Azizoglu* and Heidari, Z. Influence of Salt Concentration and Type on Dielectric Permittivity of Rocks. Presented at the Society of Petrophysicists and Well Log Analysts (SPWLA) 65th Annual Symposium, Rio de Janeiro, Brazil, 18 – 22 May 2024.

Dash*, S. and Heidari, Z. New Experimental Method for Enhanced and Fast Saturation of Tight Rock Samples. Presented at the Society of Petrophysicists and Well Log Analysts (SPWLA) 65th Annual Symposium, Rio de Janeiro, Brazil, 18 – 22 May 2024.

Sahu*, P. and Heidari, Z. Assessment of Petrophysical Heterogeneity Based on Image Data. Presented at the Society of Petrophysicists and Well Log Analysts (SPWLA) 65th Annual Symposium, Rio de Janeiro, Brazil, 18 – 22 May 2024.

Sahu*, P. and Heidari, Z. Assessing the Impact of Image Data on Enhancing Rock Classification and Formation Evaluation. Presented at the Society of Petrophysicists and Well Log Analysts (SPWLA) 65th Annual Symposium, Rio de Janeiro, Brazil, 18 – 22 May 2024.

Gomaa*, I. and Heidari, Z. Quantifying the Impacts of Reservoir Geochemistry and Pore Structure on the CO2 Diffusion and Leakage in Organic-Rich Mudrock Formations and Caprocks. Presented at the Society of Petrophysicists and Well Log Analysts (SPWLA) 65th Annual Symposium, Rio de Janeiro, Brazil, 18 – 22 May 2024.

Araujo*, I. S. and Heidari, Z. Wettability Quantification in Rock Components via Water Adsorption Isotherms. Presented at the Society of Petrophysicists and Well Log Analysts (SPWLA) 65th Annual Symposium, Rio de Janeiro, Brazil, 18 – 22 May 2024.

Araujo*, I. S., Gomaa*, I., and Heidari, Z. Molecular Dynamic Simulation of CO2 Flooding into Mineral Nanopores in the Presence of Residual Oil. Presented at the Society of Petrophysicists and Well Log Analysts (SPWLA) 65th Annual Symposium, Rio de Janeiro, Brazil, 18 – 22 May 2024.

Gomaa*, I. and Heidari, Z. Assessing the Influence of Reservoir Geochemistry, Pore Structure, and Reservoir Fluids on CO2 Diffusion and Leakage in Organic-Rich Mudrocks and Seal Rocks. Presented at the 2024 Carbon Capture, Utilization, and Storage conference, Houston, Texas, 11 – 13 March 2024.

Gomaa*, I., Porter**, J., and Heidari, Z. Impacts of Reservoir Fluids and Matrix Composition on Hydrogen Adsorption and Diffusion in Rocks with Complex Composition and Pore Structure. Presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference (URTeC), Houston, Texas, 17 – 19 June 2024.

Dash*, S. and Heidari, Z. New Methods for Assessment of Permeability and Saturation-dependent Relative Permeability in Tight Rock Samples. Presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference (URTeC), Houston, Texas, 17 – 19 June 2024.

Dash*, S. and Heidari, Z. New Experimental Method for Enhanced and Fast Saturation of Irregular-shaped Tight Rock Samples. Presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference (URTeC), Houston, Texas, 17 – 19 June 2024.

Sahu*, P. and Heidari, Z. Integration of Image Data and NMR Measurements for Enhanced Multi-Scale Rock Fabric Quantification, Rock Classification, and Formation Evaluation of Heterogeneous Carbonates. Presented at the International Meeting for Applied Geoscience & Energy (IMAGE), Houston, Texas, 26 – 29 August 2024.

Sahu*, P. and Heidari, Z. Assessment of Petrophysical and Textural Heterogeneity Using Core-scale Images, Image Logs, and NMR Measurements. To be Presented at the SPE Annual Technical Conference and Exhibition (ATCE), New Orleans, Louisiana, 23 – 25 September 2024.

Cerro Arrieta*, D. and Heidari, Z. Integrated Workflow Using NMR and Electrical Resistivity Measurements for Reliable Permeability Assessment in Vuggy Carbonates. To be Presented at the SPE Annual Technical Conference and Exhibition (ATCE), New Orleans, Louisiana, 23 – 25 September 2024.

Araujo*, I. S. and Heidari, Z. Experimental Wettability Quantification in Rocks with Complex Composition Using Water Adsorption Isotherm Measurements. To be Presented at the SPE Annual Technical Conference and Exhibition (ATCE), New Orleans, Louisiana, 23 – 25 September 2024.
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2023

Dash*, S., Araujo*, I. S., and Heidari, Z. 2023. Quantification of Kerogen Wettability using Adsorption Isotherms. Presented at the Society of Petrophysicists and Well Log Analysts (SPWLA) 64^th Annual Symposium, Lake Conroe, Texas, 10 – 14 June.

Araujo*, I. S. and Heidari, Z. 2023. Elucidating Wettability Alteration on Clay Surface Contacting Mixed Electrolyte Solution: Implications to Low-Salinity Waterflooding. Presented at the Society of Petrophysicists and Well Log Analysts (SPWLA) 64^th Annual Symposium, Lake Conroe, Texas, 10 – 14 June.

Gomaa*, I., Heidari, Z., and Espinoza, D. 2023. Molecular-Scale Quantitative Evaluation of the Competitive Adsorption of Methane and Carbon Dioxide on the Different Constituents of Organic-Rich Mudrocks. Presented at the Society of Petrophysicists and Well Log Analysts (SPWLA) 64^th Annual Symposium, Lake Conroe, Texas, 10 – 14 June.

Gomaa*, I. and Heidari, Z. 2023. Quantifying the Sensitivity of Dielectric Dispersion Data to Fracture Properties in Fractured Rocks. Presented at the Society of Petrophysicists and Well Log Analysts (SPWLA) 64^th Annual Symposium, Lake Conroe, Texas, 10 – 14 June.

Sahu*, P. and Heidari, Z. 2023. Image-based Rock Classes from Cored Wells to Non-Cored Wells using Supervised Machine Learning for Enhanced Formation Evaluation. Presented at the Society of Petrophysicists and Well Log Analysts (SPWLA) 64^th Annual Symposium, Lake Conroe, Texas, 10 – 14 June.

Azizoglu*, Z. and Heidari, Z. 2023. Experimental Workflow for Quantifying the Performance of Geophysics-based and Conventional Core-based Wettability Assessment Methods. Presented at the Society of Petrophysicists and Well Log Analysts (SPWLA) 64^th Annual Symposium, Lake Conroe, Texas, 10 – 14 June.

Azizoglu*, Z. and Heidari, Z. 2023. Influence of Grain Shape and Size on the Performance of Dielectric Permittivity-based Water Saturation Assessment Models. Presented at the Society of Petrophysicists and Well Log Analysts (SPWLA) 64^th Annual Symposium, Lake Conroe, Texas, 10 – 14 June.

Gomaa*, I., Heidari, Z., and Espinoza, D. 2023. Molecular Simulation Study of the Competitive Adsorption of Carbon Dioxide and Methane in Organic Shale – Implication for Enhanced Gas Recovery. Presented at the Unconventional Resources Technology Conference (URTeC), Denver, Colorado, 13 – 15 June.
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2022

Dash*, S. and Heidari, Z. 2022. Enhanced Assessment of Water Saturation in Organic-Rich Mudrocks Incorporating the Vertical Heterogeneity through Resistivity Image Logs. To be Presented at the Society of Petrophysicists and Well Log Analysts (SPWLA) 63^rd Annual Symposium, Stavanger, Norway, 11 – 15 June.

Dash*, S. and Heidari, Z. 2022. Quantifying the Impacts of Rock Components and their Spatial Distribution on Estimates of Hydrocarbon Reserves in Organic-Rich Mudrocks. To be Presented at the Society of Petrophysicists and Well Log Analysts (SPWLA) 63^rd Annual Symposium, Stavanger, Norway, 11 – 15 June.

Gonzalez*, A. and Heidari, Z. 2022. Multi-scale and Multi-physics Quantitative Workflow for Integrated and Image-assisted Rock Classification in Complex Carbonate Formations. To be Presented at the Society of Petrophysicists and Well Log Analysts (SPWLA) 63^rd Annual Symposium, Stavanger, Norway, 11 – 15 June.

Gonzalez*, A., Heidari, Z., and Lopez, O. 2022. Data-Driven Algorithms for Image-based Rock Classification and Formation Evaluation in Formations with Rapid Spatial Variation in Rock Fabric. To be Presented at the Society of Petrophysicists and Well Log Analysts (SPWLA) 63^rd Annual Symposium, Stavanger, Norway, 11 – 15 June.

Araujo*, I. S. and Heidari, Z. 2022. Quantifying Interfacial Interactions Between Minerals and Reservoir-Fracturing Fluids and Their Impacts on Wettability Variation. To be Presented at the Society of Petrophysicists and Well Log Analysts (SPWLA) 63^rd Annual Symposium, Stavanger, Norway, 11 – 15 June.

Araujo*, I. S. and Heidari, Z. 2022. Quantification of Adsorption of Water on Clay Surfaces and Electrical Double Layer Properties using Molecular Simulations. To be Presented at the Society of Petrophysicists and Well Log Analysts (SPWLA) 63^rd Annual Symposium, Stavanger, Norway, 11 – 15 June.

Azizoglu*, Z. and Heidari, Z. 2022. Simultaneous Assessment of Water Saturation and Water Salinity from the Joint Multi-Frequency Interpretation of Real and Imaginary Parts of Dielectric Permittivity Measurements. To be Presented at the Society of Petrophysicists and Well Log Analysts (SPWLA) 63^rd Annual Symposium, Stavanger, Norway, 11 – 15 June.

August*, H., Azizoglu*, Z. and Heidari, Z. 2022. Integrated Analysis of NMR and Electrical Resistivity Measurements for Enhanced Assessment of Throat-size Distribution, Permeability, and Capillary Pressure in Carbonate Formations: Well-log-based Application. To be Presented at the Society of Petrophysicists and Well Log Analysts (SPWLA) 63^rd Annual Symposium, Stavanger, Norway, 11 – 15 June.

Alhadi*, A., Azizoglu*, Z. and Heidari, Z. 2022. Enhanced Assessment of Water Saturation in Carbonate Formations Honoring Complex Pore Structure: A New Insight into Physics-based Calibration. To be Presented at the Society of Petrophysicists and Well Log Analysts (SPWLA) 63^rd Annual Symposium, Stavanger, Norway, 11 – 15 June.

Jagadisan*, A. and Heidari, Z. 2022. Quantifying the Impact of Geochemistry on the Interfacial Interactions of Kerogen and Water and its Impact on Fluid Mobility. Presented at the Unconventional Resources Technology Conference (URTeC), Austin, Texas, 20 – 22 June.

Dash*, S. and Heidari, Z. 2022. Development of a Universal Physics-Based Resistivity Model for Estimation of Fluid Content in Unconventional and Conventional Reservoirs. Presented at the Unconventional Resources Technology Conference (URTeC), Austin, Texas, 20 – 22 June.

Gonzalez*, A., Heidari, Z., and Lopez, O. 2022. Automated Rock Classification Using High-resolution Ct-scan Images And Core Photos In A Siliciclastic Formation Used For CO₂ Presented at the SPE Annual Technical Conference and Exhibition (ATCE), Houston, Texas, 3 – 5 October.

Azizoglu*, Z. and Heidari, Z. 2022. The Effect Of Salt Concentration On Dielectric Permittivity And Interfacial Polarization In Carbonate Rocks With Complex Pore Structure. Presented at the SPE Annual Technical Conference and Exhibition (ATCE), Houston, Texas, 3 – 5 October.

Gomaa*, I., Guerrero Rivera, J. O., Heidari, Z., and Espinoza, D. 2022. Experimental Measurements And Molecular Simulation Of Carbon Dioxide Adsorption On Carbon Surface. Presented at the SPE Annual Technical Conference and Exhibition (ATCE), Houston, Texas, 3 – 5 October.

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2021

Gonzalez*, A. and Heidari, Z. 2021. A New Optimization Method for Enhanced Formation Evaluation and Robust Physics-Based Automatic Rock Classification Using High-Resolution CT-Scan Image Data and Conventional Well Logs. To be Presented at the Society of Petrophysicists and Well Log Analysts (SPWLA) 62^nd Annual Symposium, Online event, 17 May – 20 May.

Dash*, S. and Heidari, Z. 2021. Application of Image Logs for Enhanced Resistivity-based Water Saturation Assessment in Organic-Rich Mudrocks. To be Presented at the Society of Petrophysicists and Well Log Analysts (SPWLA) 62^nd Annual Symposium, Online event, 17 May – 20 May.

Gonzalez*, A. and Heidari, Z. 2021. Anisotropy Quantification using High-Resolution Whole-Core 3D CT-Scan Images. To be Presented at the Society of Petrophysicists and Well Log Analysts (SPWLA) 62^nd Annual Symposium, Online event, 17 May – 20 May.

Jagadisan*, A. and Heidari, Z. 2021. Quantifying the Impact of Interfacial Interactions of Kerogen, Water and Hydrocarbon at Different Thermal Maturity Levels on Fluid Mobility in Kerogen Pores. To be Presented at the Society of Petrophysicists and Well Log Analysts (SPWLA) 62^nd Annual Symposium, Online event, 17 May – 20 May.

Dash*, S. and Heidari, Z. 2021. Enhanced Assessment of Fluid Saturation in the Wolfcamp Formation of the Permian Basin. To be Presented at the Society of Petrophysicists and Well Log Analysts (SPWLA) 62^nd Annual Symposium, Online event, 17 May – 20 May.

Azizoglu*, Z. and Heidari, Z. 2021. Interpretation of Multi-frequency Dielectric Permittivity Measurements for Assessment of Water Saturation in Carbonate Formations with Complex Pore Structure. To be Presented at the Society of Petrophysicists and Well Log Analysts (SPWLA) 62^nd Annual Symposium, Online event, 17 May – 20 May.

Araujo*, I. S. and Heidari, Z. 2021. A Geochemistry-Oriented Method for Wettability Assessment at Reservoir Condition Using Molecular Dynamics Simulation. To be Presented at the Society of Petrophysicists and Well Log Analysts (SPWLA) 62^nd Annual Symposium, Online event, 17 May – 20 May.

Azizoglu*, Z. and Heidari, Z. 2021. Reliable Quantification of Pore Geometry in Carbonate Rocks Using NMR and Electrical Resistivity Measurements for Enhanced Assessment of Directional Permeability and Capillary Pressure. To be Presented at the Society of Petrophysicists and Well Log Analysts (SPWLA) 62^nd Annual Symposium, Online event, 17 May – 20 May.

Teymouri*, M. and Heidari, Z. 2021. Advanced Integration of Petrophysics, Rock Mechanics, and Rock Classification, for Reliable Assessments of Fracture Propagation in the Permian Basin. To be Presented at the Society of Petrophysicists and Well Log Analysts (SPWLA) 62^nd Annual Symposium, Online event, 17 May – 20 May.

Gonzalez*, A. and Heidari, Z. 2021. An Advanced Petrophysical Oriented Numerical Method for Reliable Assessment of Mechanical Properties in Anisotropic and Heterogeneous Carbonates at the Pore-Scale Domain. To be Presented at the Society of Petrophysicists and Well Log Analysts (SPWLA) 62^nd Annual Symposium, Online event, 17 May – 20 May.

Jagadisan*,, Silveira de Araujo*, I., and Heidari, Z. 2021. Impact of Kerogen Geochemistry on Methane and Water Adsorption Using Molecular Simulations. Presented at the Unconventional Resources Technology Conference (URTeC), Houston, Texas, 26 – 28 July. URTeC 5350.

Azizoglu*, Z., Heidari, Z., Goncalve, L., de Oliveira, L.A.B., and Neto, M.S.N. 2021. Assessment of Water Saturation Using Dielectric Permittivity Measurements In Formations With Complex Pore Structure: Application to the Core- And Log- Scale Domains. Presented at the SPE Annual Technical Conference and Exhibition (ATCE), Dubai, UAE, 21 – 23 September. SPE 20598.

Gonzalez*, Z., Heidari, Z., and Lopez, O. 2021. Electrical, Diffusional, and Hydraulic Tortuosity Anistropy Quantification Using 3D CT-scan Image Data. Presented at the SPE Annual Technical Conference and Exhibition (ATCE), Dubai, UAE, 21 – 23 September. SPE 206109.

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2020

Jagadisan*, A. and Heidari, Z. 2020. Impact of Kerogen Geochemistry and Reservoir Temperature on Contact Angle and Wettability of Kerogen. Presented at the Society of Petrophysicists and Well Log Analysts (SPWLA) 61^st Annual Symposium, Online event, 20 June – 29 July.

Gonzalez*, A., Heidari, Z., and Lopez, O. 2020. Integration of 3D Volumetric CT-Scan Image Data with Conventional Well Logs for Detection of Petrophysical Rock Classes. Presented at the Society of Petrophysicists and Well Log Analysts (SPWLA) 61^st Annual Symposium, Online event, 20 June – 29 July.

Dash*, S., Garcia*, A. P., Hernandez*, L. M., and Heidari, Z. 2020. A New Workflow for Improved Resistivity-Based Water Saturation Assessment in Organic-Rich Mudrocks. Presented at the Unconventional Resources Technology Conference (URTeC), Online event, 20 – 22 July.

Gonzalez*, A., Dash*, S., and Heidari, Z. 2020. Advanced Joint Interpretation of Image Logs and Conventional Well Logs in Organic-Rich Mudrock Formations for Improved Formation Evaluation: Application to the Permian Basin. Presented at the Unconventional Resources Technology Conference (URTeC), Online event, 20 – 22 July.

Rostami***, A., Heidari, Z., and Casey, B. 2020. Reducing Uncertainty Associated with Resource-in-Place Calculation using Integrated Formation Evaluation, Geostatistical Analysis, and Geological Modeling — A Case Study in the Midland Basin. Presented at the Unconventional Resources Technology Conference (URTeC), Online event, 20 – 22 July.

Garcia*, A. P. and Heidari, Z. 2020. Quantifying the Impacts of Stern and Diffuse Layer Polarization and Complex Rock Fabric on Multi-Frequency Dielectric Permittivity and Electrical Conductivity. Presented at the SPE Annual Technical Conference and Exhibition (ATCE), Online event, 30 September – 2 October. SPE 201729.

Azizoglu*, Z., Garcia*, A. P. and Heidari, Z. 2020. Simultaneous Assessment of Wettability and Water Saturation Through Integration of 2D NMR and Electrical Resistivity Measurements. Presented at the SPE Annual Technical Conference and Exhibition (ATCE), Online event, 30 September – 2 October. SPE 201519.

Teymouri*, M. and Heidari, Z. 2020. Reliable Assessment of Effective Mechanical Properties in Formations with Complex Mineralogy via Coupled Hydraulic and Mechanical Analysis at the Pore-Scale Domain. Presented at the SPE Annual Technical Conference and Exhibition (ATCE), Online event, 30 September – 2 October. SPE 201380.

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2019

Newgord*, C., Garcia*, A. P., and Heidari, Z. 2019. A New Method to Quantify Wettability from Resistivity Measurements: Workflow Development and Experimental Core-Scale Verification. Presented at the SPE Europec featured at 81st EAGE Annual Conference & Exhibition, London, UK, 3 – 6 June.

Garcia*, A. P. and Heidari, Z. 2019. A New Multiphysics Method for Simultaneous Assessment of Hydrocarbon Saturation, Directional Permeability, and Saturation-Dependent Capillary Pressure. Presented at the SPE Europec featured at 81st EAGE Annual Conference & Exhibition, London, UK, 3 – 6 June.

Gonzalez*, A., Tandon*, S., Heidari, Z., Gramin, P., and Merletti, G. 2019. Reliable Measurement of Saturation-Dependent Relative Permeability in Tight Rock Samples. Presented at the Society of Petrophysicists and Well Log Analysts (SPWLA) 60^th Annual Symposium, The Woodlands, Texas, 15 – 19 June.

Tandon*, S. and Heidari, Z. 2019. Improved Analysis of NMR Measurements in Organic-rich Mudrocks Through Quantifying Hydrocarbon-Kerogen Interfacial Relaxation Mechanisms. Presented at the Society of Petrophysicists and Well Log Analysts (SPWLA) 60^th Annual Symposium, The Woodlands, Texas, 15 – 19 June.

Garcia*, A. P., Heidari, Z., and Torres-Verdín, C. 2019. Multi-Frequency Interpretation of Electric Resistivity and Dielectric Permittivity Measurements for Simultaneous Assessment of Porosity, Water Saturation, and Wettability. Presented at the Society of Petrophysicists and Well Log Analysts (SPWLA) 60^th Annual Symposium, The Woodlands, Texas, 15 – 19 June.

Gonzalez*, A., Kanyan*, L., Heidari, Z., and Lopez, O. 2019. Integrated Multi-Physics Workflow for Automatic Rock Classification and Formation Evaluation Using Multi-Scale Image Analysis and Conventional Well Logs. Presented at the Society of Petrophysicists and Well Log Analysts (SPWLA) 60^th Annual Symposium, The Woodlands, Texas, 15 – 19 June.

Newgord*, C., Garcia*, A. P., and Heidari, Z. 2019. A New Workflow for Joint Interpretation of Electrical Resistivity and NMR Measurements to Simultaneously Estimate Wettability and Water Saturation. Presented at the Society of Petrophysicists and Well Log Analysts (SPWLA) 60^th Annual Symposium, The Woodlands, Texas, 15 – 19 June.

Newgord*, C., Tandon*, S., and Heidari, Z. 2019. Wettability Assessment in Complex Formations using NMR Measurements: Workflow Development and Experimental Verification. Presented at the Society of Petrophysicists and Well Log Analysts (SPWLA) 60^th Annual Symposium, The Woodlands, Texas, 15 – 19 June.

Rostami***, A., Jagadisan*, A., Hernandez*, L. M., Heidari, Z., Fairhurst, B., Yurchenko, I., Ikonnikova, S., and Hamlin, S. 2019. Advanced Simultaneous Formation Evaluation and Completion-Oriented Rock Classification in the Midland Basin Using Integrated Analysis of Well Logs, Core Measurements, and Geostatistical Data. Presented at the Unconventional Resources Technology Conference (URTeC), Denver, Colorado, 22 – 24 July.

Jagadisan*, A. and Heidari, Z. 2019. Quantifying the Impacts of Competitive Water Adsorption of Kerogen and Clay Minerals on Wettability of Organic-Rich Mudrocks. Presented at the Unconventional Resources Technology Conference (URTeC), Denver, Colorado, 22 – 24 July.

Jagadisan*, A., Hernandez*, L. M., and Heidari, Z. 2019. Impact of Thermal Maturity on Water Production in Organic-Rich Mudrocks. Presented at the Unconventional Resources Technology Conference (URTeC), Denver, Colorado, 22 – 24 July.

Garcia*, A. P., Hernandez*, L. M., Jagadisan*, A., Heidari, Z., Casey, B., and Williams, R. 2019. Enhanced Reservoir Characterization for Optimizing Completion Decisions in the Permian Basin Using a Novel Field-Scale Workflow Including Wells with Missing Data. Presented at the Unconventional Resources Technology Conference (URTeC), Denver, Colorado, 22 – 24 July.

Garcia*, A. P. and Heidari, Z. 2019. Multi-Frequency Modeling of Dielectric Measurements in the Presence of Complex Rock Fabric and Composition. Presented at the SPE Annual Technical Conference and Exhibition (ATCE), Calgary, Canada, 30 September – 2 October. SPE 195815.

Jagadisan*, A. and Heidari, Z. 2019. Demystifying Wettability Alteration in Kerogen as a Function of its Geochemistry and Reservoir Temperature and Pressure using Molecular Dynamics Simulations. Presented at the SPE Annual Technical Conference and Exhibition (ATCE), Calgary, Canada, 30 September – 2 October. SPE 195863.

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2018

Garcia, A. P. and Heidari, Z. 2018. Integrated Characterization of Multi-Frequency Dielectric Dispersion Measurements in Mixed-Wet Rocks. Presented at the Society of Petrophysicists and Well Log Analysts (SPWLA) 59th Annual Symposium, London, UK, 2 – 6 June.

Newgord, C., Garcia, A. P., Rostami, A., and Heidari, Z. 2018. Improved Interpretation of Electrical Resistivity Measurements in Mixed-Wet Rocks: An Experimental Core-Scale Application and Model Verification. Presented at the Society of Petrophysicists and Well Log Analysts (SPWLA) 59th Annual Symposium, London, UK, 2 – 6 June.

Cheng, K., Heidari, Z., and Jiang, H. 2018. An Experimental Multi-Physics Method for Quantifying Cation Exchange Capacity of Clay-Rich Rocks. Presented at the Society of Petrophysicists and Well Log Analysts (SPWLA) 59th Annual Symposium, London, UK, 2 – 6 June.

Al-obaidi, M., Heidari, Z., Casey, B., Williams, R., and Spath, J. 2018. Automatic Well-Log-Based Fabric-Oriented Rock Classification for Optimizing Landing Spots and Completion Intervals in the Midland Basin. Presented at the Society of Petrophysicists and Well Log Analysts (SPWLA) 59th Annual Symposium, London, UK, 2 – 6 June.

Garcia, A. P., Han, Y., and Heidari, Z. 2018. An Integrated Workflow to Estimate Permeability through Quantification of Rock Fabric Using Joint Interpretation of Nuclear Magnetic Resonance and Electric Measurements. Presented at the Society of Petrophysicists and Well Log Analysts (SPWLA) 59th Annual Symposium, London, UK, 2 – 6 June.

Jagadisan, A. and Heidari, Z. 2018. Experimental Quantification of Kerogen Wettability as a Function of Thermal Maturity. Presented at the Society of Petrophysicists and Well Log Analysts (SPWLA) 59th Annual Symposium, London, UK, 2 – 6 June.

Garcia*, A. P. and Heidari, Z. 2018. Quantifying the Influence of Rock Fabric, Composition, and Electrical Double Layer on the Broadband Dielectric Dispersion of Organic-Rich Mudrocks. Presented at the Unconventional Resources Technology Conference (URTeC), Houston, Texas, 23 – 25 July.

Jagadisan*, A. and Heidari, Z. 2018. Impacts of Geochemical Properties on Wettability of Kerogen and Organic-rich Mudrocks. Presented at the Unconventional Resources Technology Conference (URTeC), Houston, Texas, 23 – 25 July.

Tandon*, S., Heidari, Z., and Jagadisan*, A. 2018. Quantifying the Mechanisms Contributing to Surface Relaxation of Protons in Kerogen Pores of Organic-Rich Mudrocks. Presented at the Unconventional Resources Technology Conference (URTeC), Houston, Texas, 23 – 25 July.

Cheng*, K. and Heidari, Z. 2018. A New Method for Quantifying Cation Exchange Capacity: Application to Organic-Rich Mudrock Formations. Presented at the Unconventional Resources Technology Conference (URTeC), Houston, Texas, 23 – 25 July.

Newgord*, C., Tandon*, S., Rostami***, A., and Heidari, Z. 2018. Wettability Quantification in Mixed-Wet Rocks Using a New NMR-based Method: Experimental Model Verification. Presented at the SPE Annual Technical Conference and Exhibition (ATCE), Dallas, Texas, 24 – 26 September. SPE 191509.

Garcia*, A. P., Heidari, Z., and Han*, Y., 2018. Assessment of Pore-Throat-Size Distribution and Permeability Tensor Using Geophysical Measurements. Presented at the American Geophysical Union (AGU) Fall Annual Meeting, Washington, D.C., 10 – 14 December. (Invited presentation, Abstract submission was required)

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2017

Purba, S. A., Garcia, A. P., and Heidari, Z. 2017. Improved Permeability Assessment using Directional Rock Fabric Quantification. Presented at the American Association of Petroleum Geologists (AAPG) Annual Convention & Exhibition, Houston, Texas, 2 – 5 April.

Jagadisan*, A. and Heidari, Z. 2017. Application of X-Ray Photoelectron Spectroscopy in Connecting Thermal Maturity of Kerogen to its Dielectric Constant in Organic-Rich Mudrocks. Presented at the Society of Petrophysicists and Well Log Analysts (SPWLA) 58th Annual Symposium, Oklahoma City, Oklahoma, 17 – 21 June.

Tandon*, S. and Heidari, Z., and Matenoglou, G. 2017. Pore-Scale Numerical Modeling of Nuclear Magnetic Resonance Response in Rocks with Complex Pore Structure using Finite Volume Method. Presented at the Society of Petrophysicists and Well Log Analysts (SPWLA) 58th Annual Symposium, Oklahoma City, Oklahoma, 17 – 21 June.

Valdes, C. C. and Heidari, Z., and Gonzalez*, A. 2017. Quantifying the Impacts of Thermal Maturity on Elastic Properties of Kerogen. Presented at the Society of Petrophysicists and Well Log Analysts (SPWLA) 58th Annual Symposium, Oklahoma City, Oklahoma, 17 – 21 June.

Garcia, A. P., Heidari, Z., and Rostami, A. 2017. Improved Assessment of Hydrocarbon Saturation in Mixed-Wet Rocks with Complex Pore Structure. Presented at the Society of Petrophysicists and Well Log Analysts (SPWLA) 58th Annual Symposium, Oklahoma City, Oklahoma, 17 – 21 June.

Purba, S. A., Garcia, A. P., and Heidari, Z. 2017. New Method for Rock Classification in Carbonate Formations using Well-Log-Based Rock Fabric Quantification. Presented at the Society of Petrophysicists and Well Log Analysts (SPWLA) 58th Annual Symposium, Oklahoma City, Oklahoma, 17 – 21 June.

Cheng, K. and Heidari, Z. 2017. A New Method for Quantifying Cation Exchange Capacity in Clay Minerals. Presented at the Society of Petrophysicists and Well Log Analysts (SPWLA) 58th Annual Symposium, Oklahoma City, Oklahoma, 17 – 21 June.

Garcia, A. P., Jagadisan, A., Rostami, A., and Heidari, Z. 2017. A New Resistivity-based Model for Improved Hydrocarbon Saturation Assessment in Clay-Rich Formations using Quantitative Clay Network Geometry and Rock Fabric. Presented at the Society of Petrophysicists and Well Log Analysts (SPWLA) 58th Annual Symposium, Oklahoma City, Oklahoma, 17 – 21 June.

Tandon, S., Heidari, Z., and Daigle, H. 2017. Pore-Scale Evaluation of Nuclear Magnetic Resonance Measurements in Organic-Rich Mudrocks Using Numerical Modeling. Presented at the Unconventional Resources Technology Conference (URTeC), Austin, Texas, 24 – 26 July.

Garcia, A. P., Jagadisan, A., Rostami, A., and Heidari, Z. 2017. A New Workflow for Improved Water Saturation Assessment in Organic-Rich Mudrocks Honoring Rock Fabric. Presented at the Unconventional Resources Technology Conference (URTeC), Austin, Texas, 24 – 26 July.

Tandon, S., Rostami, A., and Heidari, Z. 2017. A New NMR-based Method for Wettability Assessment in Mixed-Wet Rocks. To be presented at the SPE Annual Technical Conference and Exhibition (ATCE), San Antonio, Texas, 9 – 11 October. SPE 187373.

Zhou, Y., Heidari, Z., Zhu, D., and Hill, A. D. 2017. Petrophysical Rock Classification, Permeability Estimation, and Elastic Moduli Assessment in Tight Carbonate Reservoirs: A Case Study in Tarim Field, China. To be presented at t the 2017 SPE Eastern Regional Meeting held in Lexington, KY, 4 – 6 October. SPE 187516.

Schmidt, L. M., Minton, B. W., Soto-Kerans, N., Rempe, D. M., Heidari, Z. 2017. Quantifying Seasonal Dynamic Water Storage in a Fractured Bedrock Vadose Zone With Borehole Nuclear Magnetic Resonance. Presented at the American Geophysical Union Annual Meeting, New Orleans, Louisiana, 11 – 15 December. (Abstract submission was required)

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2016

Garcia, A. P. and Heidari, Z. 2016. A Streamline-based Approach for Evaluation of Electrical Tortuosity of Porous Media Using Electrical Conductivity. Presented at the InterPore 8th International Conference on Porous Media and Annual Meeting, Cincinnati, Ohio, 9 – 12 May.

Tandon, S., Aderibigbe, A., Heidari, Z., Shi, J., and Fuss, T. 2016. Proppant Damage Characterization using Nuclear Magnetic Resonance Measurements. Presented at the American Association of Petroleum Geologists (AAPG) Annual Convention & Exhibition, Calgary, Alberta, Canada, 19 – 22 June.

Kotb*, A., Garcia*, A. P., and Heidari, Z. 2016. Multi-Scale Interpretation of Electrical Resistivity Measurements in the Presence of Complex Pore Structure and Anisotropy. Presented at the American Association of Petroleum Geologists (AAPG) Annual Convention & Exhibition, Calgary, Alberta, Canada, 19 – 22 June.

Oyewole, E., Garcia, A. P., and Heidari, Z. 2016. A New Method for Assessment of Directional Permeability and Conducting Pore Network using Electric Conductance in Porous Media. Presented at the Society of Petrophysicists and Well Log Analysts (SPWLA) 57th Annual Symposium, Reykjavik, Iceland, 25 – 29 June.

Cheng, K. and Heidari, Z. 2016. An Experimental Approach to Quantify the Impact of Relative Humidity on Hydration of Clay Minerals Using NMR- and TGA- Based Evaluations. Presented at the Society of Petrophysicists and Well Log Analysts (SPWLA) 57th Annual Symposium, Reykjavik, Iceland, 25 – 29 June.

Valdes, C. C. and Heidari, Z. 2016. An Experimental Multi-Scale Approach for Assessment of Uncertainty in Elastic Properties of Organic-Rich Mudrocks. Presented at the Society of Petrophysicists and Well Log Analysts (SPWLA) 57th Annual Symposium, Reykjavik, Iceland, 25 – 29 June.

Yang, A. and Heidari, Z. 2016. Experimental Quantification of the Impact of Thermal Maturity on Kerogen Density. Presented at the Society of Petrophysicists and Well Log Analysts (SPWLA) 57th Annual Symposium, Reykjavik, Iceland, 25 – 29 June.

Amin, S., Wehner, M., Heidari, Z., and Tice, M. 2016. Rock Classification in the Eagle Ford Shale through Integration of Petrophysical, Geological, and Geochemical Characterization. Presented at the Society of Petrophysicists and Well Log Analysts (SPWLA) 57th Annual Symposium, Reykjavik, Iceland, 25 – 29 June.

Yang, A. and Heidari, Z. 2016. An Experimental Approach to Quantify the Impact of Kerogen Maturity on its Chemical Aromaticity and Electrical Conductivity. Presented at the Society of Petrophysicists and Well Log Analysts (SPWLA) 57th Annual Symposium, Reykjavik, Iceland, 25 – 29 June.

Dabidian, N., Heidari, Z., and Yang, A. 2016. Quantifying the Impact of Thermal Maturity on Dielectric Permittivity of Pure Kerogen in Organic-Rich Mudrocks. Presented at the Unconventional Resources Technology Conference (URTeC), San Antonio, Texas, 1 – 3 August. URTeC 2460670.

Tang, H., Killough, J., Heidari, Z., and Sun, Z., 2016. A New Technique to Characterize Fracture Density Using Neutron Porosity Logs Enhanced by Electrically-Transported Contrast Agents. Presented at the SPE Annual Technical Conference and Exhibition (ATCE), Dubai, UAE, 26 – 28 September. SPE 181509.

Tandon, S. and Heidari, Z. 2016. Impact of Internal Magnetic Field Gradients on Nuclear Magnetic Resonance Measurements and NMR-based Pore Network Characterization. Presented at the SPE Annual Technical Conference and Exhibition (ATCE), Dubai, UAE, 26 – 28 September. SPE 181532.

Garcia, A. P. and Heidari, Z. 2016. Directional Pore Network Connectivity and Rock Fabric Characterization and its Application in Enhanced Assessment of Hydrocarbon Reserves. Presented at the SPE Annual Technical Conference and Exhibition (ATCE), Dubai, UAE, 26 – 28 September. SPE 181571.

Matenoglou, G., Kelessidis, V. C., Garcia, A. P., Heidari, Z., Fardis, M., Anastasiou, A., and Papavassiliou, G. 2016. Advanced NMR and MRI Methodologies for Wettability Characterization in Carbonate Reservoirs. Presented at the SPE International Petroleum Technology Conference, Bangkok, Thailand, 14 – 16 November. IPTC 18853.

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2015

Cheng, K., and Heidari, Z. 2015. Pore Connectivity and Permeability Assessment in Complex Carbonate Formations using NMR Log-Inject-Log Method. Presented at the SPE Annual Technology Conference and Exhibition, Houston, Texas, 28-30 September. SPE 175066.

Chi, L., and Heidari, Z. 2015. Investigation of Wettability and Fluid Distribution in Organic-Rich Mudrocks using NMR Two-Phase Simulation. Presented at the SPE Annual Technology Conference and Exhibition, Houston, Texas, 28-30 September.

Firdaus, G., and Heidari, Z. 2015. Quantifying Electrical Conductivity of Isolated Kerogen from Organic-Rich Mudrocks using Laboratory Experiments. Presented at the SPE Annual Technology Conference and Exhibition, Houston, Texas, 28-30 September. SPE 175078.

Saneifar, M., and Heidari, Z. 2015. An investigation on the Impact of Heterogeneity in Carbonate Formations on Fluid Injectivity Loss during Water-Alternating-Gas Injection. Presented at the SPE Annual Technology Conference and Exhibition, Houston, Texas, 28-30 September. SPE 175064.

Amin, S., Zing, Z., Wehrner, M., Xu, G., Mulana, I. Cone, R., Heidari, Z., Tice, M., and Laya, J.C. 2015. Integrated Rock Classification in the Eagle Ford Shale Formation using Well Logs and Geological Evaluation. Presented at the AAPG/SEG 2015 International Conference and Exhibition, Melbourne, Australia, 13-16 September.

Chen, H., and Heidari, Z.2015 Impact of Water Salinity on High-Frequency Dielectric Measurements in Rock-Fluid Mixtures. Presented at the 56th Annual Logging Symposium Transactions: Society of Petrophysicists and Well Log Analysts (SPWLA), Long Beach, California, 18-22 July.

Valdes, C., and Heidari, Z. 2015. Impact of Anisotropic Elastic and Petrophysical Properties of Eagle Ford Shale on Stress Prediction. Presented at the 56th Annual Logging Symposium Transactions: Society of Petrophysicists and Well Log Analysts (SPWLA), Long Beach, California, 18-22 July.

Chi, L., and Heidari, Z. 2015. Impact of Fracture-Pore Diffusional Coupling on NMR-based Permeability Assessment. Presented at the 56th Annual Logging Symposium Transactions: Society of Petrophysicists and Well Log Analysts (SPWLA), Long Beach, California, 18-22 July.