Said Gaci | Geophysics Reservoir Characterization | Best Researcher Award

Dr. Said Gaci | Geophysics Reservoir Characterization | Best Researcher Award

Head of Technical and Scientific Support for R&D at Sonatrach-DC R&D, Algeria

Dr. Said Gaci is an accomplished geophysicist and research leader with extensive expertise in hydrocarbon exploration, signal processing, and petroleum reservoir analysis. Currently serving as the Director of Scientific and Technical Support for R&D at Sonatrach, he has built a distinguished career in Algeria’s energy sector, integrating scientific innovation with operational excellence. Dr. Gaci is renowned for introducing advanced seismic methods and machine learning techniques into geophysical workflows, significantly improving subsurface characterization. His professional footprint includes over two decades of experience, major collaborations with academic and industry partners, and a prolific record of publishing influential books and journal articles in petroleum geoscience.

Profile

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Education

Dr. Gaci holds multiple advanced degrees, reflecting a strong interdisciplinary academic foundation. He received his Engineer diploma in Geophysics in 1997 and a Magister degree in Petroleum Economics and Strategic Management in 2004 from the Algerian Petroleum Institute. Simultaneously, he earned another Magister degree in Geophysics in 2002, followed by a Ph.D. in 2011 from the University of Sciences and Technology Houari Boumediene (USTHB), Algeria. His doctoral work focused on multifractional analysis of geophysical signals, which became foundational to many of his later innovations in reservoir modeling. He also holds a habilitation to supervise research, granted in 2016.

Experience

Dr. Gaci has accumulated over 20 years of professional experience in geophysics and energy research. From 2004 to 2015, he served in multiple technical roles at Sonatrach’s Exploration Division. He later led R&D departments and training divisions at the Algerian Petroleum Institute from 2015 to 2024. Since October 2024, he has headed the scientific and technical support for Sonatrach’s Central R&D Directorate. His portfolio includes supervising multidisciplinary teams on seismic interpretation, economic feasibility, and reservoir analysis. In parallel, he contributed as a part-time lecturer and regularly collaborates with international institutions on energy-related projects and theses.

Research Interest

Dr. Gaci’s research focuses on advanced geophysical signal processing, reservoir characterization, empirical mode decomposition, and machine learning in seismic data analysis. He has introduced multifractional Brownian motion models for interpreting heterogeneities in borehole data and pioneered methods integrating AI with traditional seismic attributes. His work aims to improve fluid detection and lithological segmentation in complex subsurface environments. He continues to explore applications in geothermal energy and carbon storage, using AI and fractal geometry. He has completed multiple international consulting and industry research projects, applying cutting-edge techniques to real-world petroleum challenges.

Awards

Dr. Gaci has gained recognition for his scientific leadership and technical excellence. He serves on editorial boards of reputed journals such as Arabian Journal of Geosciences and Frontiers in Earth Science. He has chaired and co-convened numerous international conferences, including sessions at the EGU General Assembly and AAPG events. Additionally, he was appointed as a university qualification expert by Algeria’s Ministry of Higher Education. His achievements include several awards for research excellence and invited roles in global geoscience forums.

Publications

Dr. Gaci has published over 40 journal articles and authored seven technical books. Selected recent publications include:

  1. Machine Learning and Seismic Attributes for Petroleum Prospect Generation and Evaluation (2025, Interpretation Journal)

  2. Petrophysical evaluation using CNNs in Berkine Basin (2024, Journal of Engineering Research)

  3. Advanced signal and pattern recognition in geosciences (2023, Frontiers in Earth Science)

  4. A Grey System Approach for Hölderian Regularity Estimation (2021, Fractal and Fractional).

  5. Investigation of lithological heterogeneities using EMD-Hölder (2022, Journal of Petroleum Science and Engineering)

  6. Seismic attributes for hydrocarbon detection in Australia (2021, Arabian Journal of Geosciences).

  7. Spectral and amplitude decomposition for fluid detection (2020, Journal of Seismic Exploration).

These publications demonstrate his high-impact contributions to petroleum geophysics and applied research.

Conclusion

In conclusion, Dr. Said Gaci stands as a leading figure in petroleum geophysics, blending academic rigor with real-world application. His interdisciplinary expertise, from signal theory to economic modeling, has transformed how seismic data are interpreted and utilized for hydrocarbon exploration. With numerous publications, pioneering research, and international collaborations, he continues to push the boundaries of what is technically possible in reservoir characterization.

Dandan Zhu | Intelligent Drilling and Completion | AI and Automation in Petroleum Award

Assoc. Prof. Dr. Dandan Zhu | Intelligent Drilling and Completion | AI and Automation in Petroleum Award

Associate Professor at China University of Petroleum, Beijing, China

Dr. Dandan Zhu is an accomplished Associate Professor at the China University of Petroleum, Beijing, in the College of Artificial Intelligence. With a strong academic foundation and innovative research output, she has emerged as a prominent expert in the integration of artificial intelligence with petroleum engineering. Her pioneering work in intelligent drilling technologies and wellbore guidance systems has advanced subsurface automation and decision-making under uncertainty. Dr. Zhu has led numerous national projects and maintains deep collaborative ties with China’s top energy enterprises. Through publications, patents, and cross-disciplinary innovations, she has significantly contributed to the modernization of petroleum exploration and production.

Profile

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Education

Dr. Zhu holds a Ph.D. in Precision Engineering from the University of Tokyo, where she developed advanced modeling tools for mechanical systems. Prior to this, she earned a Master’s degree in Aircraft Design from Beihang University, building her expertise in computational mechanics and control. This unique academic trajectory provided her with a solid grounding in both high-precision design and intelligent control systems, which later became central to her work in petroleum AI. Her educational foundation is characterized by a rigorous blend of systems engineering, applied mathematics, and programming, equipping her to bridge the gap between AI theory and practical energy applications.

Experience

Since joining the China University of Petroleum in 2015, Dr. Zhu has led over 40 national and provincial-level research projects, many in collaboration with energy industry leaders such as CNPC, Sinopec, and CNOOC. She has executed 27 consultancy and industry-sponsored projects, developing intelligent geo-steering, simulation environments, and adaptive drilling systems. Her responsibilities extend beyond research to include mentoring graduate students and integrating AI pedagogy into petroleum engineering curricula. Her professional trajectory reflects a deep commitment to both academic excellence and industrial application. Her field-tested tools and platforms demonstrate practical outcomes in hydraulic fracturing, reservoir modeling, and real-time trajectory control.

Research Interest

Dr. Zhu’s research focuses on the intersection of artificial intelligence and petroleum engineering, specifically intelligent drilling systems, reinforcement learning for wellbore trajectory control, and real-time decision-making in geo-steering. She has built generative simulation environments that replicate subsurface dynamics for training AI agents. A key innovation includes a high-interaction learning framework that integrates offline modeling, real-time drilling guidance, and strategic post-drilling analysis. Her recent work emphasizes robustness and adaptability in drilling operations by accounting for geological uncertainty. Through deep reinforcement learning, data-driven optimization, and control theory, Dr. Zhu is contributing to the intelligent automation of energy exploration systems.

Award

Dr. Zhu’s impactful research has positioned her as a strong candidate for the Best Researcher Award in Petroleum Engineering. Her innovations have earned recognition across academia and industry. She has received multiple provincial and institutional grants to pursue advanced simulation and AI research. Her patented technologies in wellbore trajectory control and geo-steering optimization are used in field applications. Furthermore, her interdisciplinary efforts have been integral to national science and technology programs in China. These accolades, combined with her extensive collaboration with major energy corporations, underscore her standing as a leading researcher advancing AI integration in energy systems.

Publication

Dr. Zhu has published 39 peer-reviewed journal articles, contributing significantly to petroleum AI literature. Select publications include:

  1. A target-aware well path control method based on transfer reinforcement learning.

  2. Gait coordination feature modeling and multi-scale gait representation for gait recognition.

  3. PPS-QMIX: Periodically Parameter Sharing for Accelerating Convergence of Multi-Agent Reinforcement Learning

  4. An intelligent drilling guide algorithm design framework based on high interactive learning mechanism

  5. End-to-end multiplayer violence detection based on deep 3D CNN

  6. Investigation on automatic recognition of stratigraphic lithology based on well logging data using ensemble learning algorithm

  7. A reinforcement learning based 3d guided drilling method: Beyond ground control

Her work has received over 68 citations since 2020 and continues to shape the AI-petroleum research landscape.

Conclusion

Dr. Dandan Zhu exemplifies the integration of technical innovation and practical relevance in petroleum engineering. Through her work in artificial intelligence, simulation, and intelligent control, she is reshaping the way subsurface operations are conceptualized and executed. Her contributions extend beyond academic theory into field-proven tools and methods widely adopted by industry leaders. By mentoring future engineers, publishing transformative research, and collaborating across sectors, she has established herself as a thought leader at the intersection of AI and energy. Her continued contributions reflect not only technical excellence but also a visionary approach to sustainable and intelligent resource development.