Multifrequency Electromagnetic Data Interpretation for Subsurface Characterization

Siddharth Misra is currently associate professor at the Harold Vance Department of Petroleum Engineering, Texas A&M University, College Station, Texas. His research work is in the area of data-driven predictive models, machine learning, geosensors, and subsurface characterization. He earned a PhD in petroleum engineering from the University of Texas and a bachelor of technology in electrical engineering from the Indian Institute of Technology in Bombay. He received the Department of Energy Early Career Award in 2018 to promote geoscience research. Yifu Han is a Software Engineer in Schlumberger, Beijing Geoscience Center, and he currently focuses on formation testing and deep transient test. He has published 4 research papers in Elsevier and total 7 journal publications on data inversion, electromagnetic data interpretation, and multi-scale rock physics. He holds a master’s degree from the College of Earth & Energy, University of Oklahoma. Yuteng Jin is a graduate student researcher in the College of Earth & Energy, University of Oklahoma. He specializes in developing mechanistic models of complex conductivity/permittivity of porous media containing clays and conductive particles of varying wettability. He also develops stochastic inversion schemes for parameter estimation. Pratiksha Tathed is a petrophysicist for BP, and currently focuses on data acquisition planning and execution. She has published 2 journal papers in Elsevier on joint inversion of dielectric and resistivity logs. She holds a MS degree in Petroleum Engineering from the College of Earth & Energy, University of Oklahoma.

• Section 1 Multifrequency electromagnetic measurements andinterpretation models1. Multifrequency electromagnetic data acquisition and interpretation in the laboratory and in the subsurface: A comprehensive review Yifu Han, Siddharth Misra and Yuteng Jin2. Petrophysical models for the interpretation of electromagnetic logs: A brief reviewPratiksha Tathed and Siddharth MisraSection 2 Mechanistic models for the interpretation of multifrequency electromagnetic data3. Multifrequency conductivity and permittivity of porous material containing non-conductive particles possessing surface conductanceSiddharth Misra and Yuteng Jin4. Multi-frequency conductivity and permittivity of porous material containing conductive particles in redox inactive conditionsYuteng Jin and Siddharth Misra5. Effects of wettability of conductive and nonconductive particles on the multifrequency electromagnetic response of porous materialSiddharth Misra and Yuteng JinSection 3 Inversion-based interpretation of multifrequency electromagnetic data6. Unified deterministic inversion of multifrequency electromagnetic measurements using relaxation models7. Deterministic inversion of galvanic resistivity, induction resistivity, propagation resistivity, and dielectric dispersion logsYifu Han and Siddharth MisraSection 4 Applications of multifrequency electromagnetic data and interpretation8. Stochastic inversion based interpretation of multifrequency electromagnetic logs from a European organic-rich shale formationYifu Han and Siddharth Misra9. Deterministic inversion based interpretation of multifrequency electromagnetic logs from wolfcamp and bakken shale formationsPratiksha Tathed, Siddharth Misra and Yifu HanSection 5 Advanced inversion-based interpretation of multifrequency electromagnetic data10. Multifrequency electromagnetic data interpretation using stochastic Markov-chain Monte Carlo and simulated annealing methodsYuteng Jin, Siddharth Misra and Yifu Han11. Multifrequency electromagnetic data interpretation using particle swarm optimization and ant colony optimization methodsSiddharth Misra and Yuteng Jin