Publications (all)

3D GiG / DigiWells: geosteer / DISTINGUISH / Geosteering for IOR
2024 / 2023 / 2022 / 2021 / 2020 / 2019 / 2018

• Lecture by: Alyaev, S. , Muhammad, R.B. , Cheraghi, Y., Bratvold, R.B. , Srivastava, A., Tartakovsky, D.M. (2024)

  How to Explain Geology to a Robot? DISTINGUISHing Patterns for Optimal Geosteering Decisions

  DigiWells Seminar 2024

• Lecture by: Djecta, H.E. , Cheraghi, Y., Muhammad, R.B. , Alyaev, S. , Fossum, K. , Bratvold, R.B. , Srivastava, A. (2024)

  Improvement of Reinforcement Learning Strategies of the Pluralistic Robot Validated in Competitive Geosteering

  Geosteering and Formation Evaluation Workshop by NORCE and NFES 2024

• Lecture by: Alyaev, S. , Fossum, K. , Djecta, H.E. , Tveranger, J. , Elsheikh, A.H. (2024)

  Laying the Foundation for Generative AI-Enhanced Geosteering: The Complete DISTINGUISH Workflow

  Geosteering and Formation Evaluation Workshop by NORCE and NFES 2024

• Lecture by: Alyaev, S. , Muhammad, R.B. , Cheraghi, Y., Bratvold, R.B. , Srivastava, A., Tartakovsky, D.M. (2024)

  Optimizing Sequential Decisions in Geosteering: Reinforcement Learning vs Human Experts in Fast-Paced Uncertain Environment

  CSSR Annual Conference 2024

• Lecture by: Alyaev, S. , Fossum, K. , Djecta, H.E. , Tveranger, J. , Elsheikh, A.H. (2024)

  DISTINGUISH Workflow: a New Paradigm of Dynamic Well Placement Using Generative Machine Learning

  ECMOR 2024

• Lecture by: Jahani, N. (2024)

  Fast Stochastic Inversion of UDAR Measurements via Guided Multi-Grid Simulated Annealing

  24th Formation Evaluation Research Consortium Meeting 2024

• Poster by: Alyaev, S. , Ambrus, A., Jahani, N. , Elsheikh, A.H. (2024)

  AI-based multi-modal interpretation and extrapolation of geophysical logs

  19th international EnKF workshop

• Lecture by: Saputera, D.H. , Jakobsen, M., Jahani, N. , Van Dongen’, K., Alyaev, S. , Eikrem, K.S. (2024)

  Inversion of Electromagnetic Induction Log in Anisotropic Media using an Adjoint Integral Equation Method

  85th EAGE Annual Conference & Exhibition

• Lecture by: Saputera, D.H. , Jakobsen, M., Jahani, N. , van Dongen, K.W.A. (2024)

  Adaptive Quasi-Newton Inversion of Electromagnetic Induction Logs for Subsurface Imaging While Drilling

  SPWLA International Student Paper Contest - 65th Annual SPWLA Symposium

• Lecture by: Jahani, N. , Torres-Verdin, C. (2024)

  Improved Detection and Description of 3D Sandstone Injectites in the Grane Field, Central North Sea via 1D Stochastic Inversion of UDAR Measurements

  SPWLA 65th Annual Logging Symposium

• Lecture by: Jahani, N. , Saputra, W., Torres-Verdin, C., Romsås Fjeldberg, E. (2024)

  Fast Stochastic Inversion of UDAR Measurements Using Adaptive Multi-Grid Simulated Annealing Guided by Model Parameter Error Estimation

  SPWLA 65th Annual Logging Symposium

• Lecture by: Muhammad, R.B. , Cheraghi, Y., Alyaev, S. , Srivastava, A., Bratvold, R.B. (2024)

  Enhancing Geosteering With AI: Integrating a Decision-Making Robot Into a Cloud-Based Environment and Benchmarking Against Human Experts

  SPE Norway Subsurface Conference

• Lecture by: Muhammad, R.B. , Cheraghi, Y., Alyaev, S. , Srivastava, A., Bratvold, R.B. , Tartakovsky, D.M. (2024)

  High-Precision Geosteering via Reinforcement Learning and Particle Filters

  Monthly Data Assimilation seminar

• Lecture by: Pacis, F.J.C., Alyaev, S. , Pelfrene, G., Wiktorski, T. (2024)

  Enhancing Information Retrieval in the Drilling Domain: Zero-Shot Learning with Large Language Models for Question-Answering

  IADC/SPE International Drilling Conference and Exhibition

• Lecture by: Fossum, K. , Alyaev, S. , Elsheikh, A.H. (2024)

  Ensemble History-Matching Workflow Using Interpretable Spade-Gan Geomodel

  Monthly Data Assimilation seminar

• Lecture by: Jahani, N. (2023)

  Stochastic Inversion of Borehole Ultra-Deep Azimuthal Resistivity Measurements Using Fast Multi-grid Simulated Annealing

  NFES Monthly Technical Meeting

• Lecture by: Saputera, D.H. , Jakobsen, M., Alyaev, S. , Jahani, N. , Eikrem, K.S., van Dongen, K.W.A. (2023)

  3D Modeling and Inversion of Induction Logs. 2023 Highlights

  DigiWells Seminar

• Lecture by: Muhammad, R.B. , Srivastava, A., Alyaev, S. , Bratvold, R.B. , Tartakovsky, D.M. (2023)

  Integrating Reinforcement Learning and Particle Filter for Enhanced Geosteering Decision-Making

  DigiWells Seminar

• Lecture by: Alyaev, S. (2023)

  DISTINGUISH from the depth of detection to the probabilistic distance of prediction

  DigiWells Seminar

• Lecture by: Jahani, N. (2023)

  3D geological interpretation for geosteering of wells

  DigiWells Seminar 2023

• Lecture by: Fossum, K. , Alyaev, S. , Elsheikh, A.H. (2023)

  Ensemble History-Matching Workflow Using Interpretable Spade-Gan Geomodel

  Fifth EAGE Conference on Petroleum Geostatistics

• Lecture by: Alyaev, S. , Elsheikh, A.H., Ambrus, A., Jahani, N. (2023)

  Direct Multi-Modal Inversion of Geophysical Logs Using Deep Learning

  SIAM Conference on Mathematical & Computational Issues in the Geosciences (GS23)

• Lecture by: Saputera, D.H. , Jakobsen, M., Jahani, N. , Alyaev, S. , Eikrem, K.S., van Dongen, K.W.A. (2023)

  Towards Real-Time 3D Modeling of Induction Logs Using an Integral Equation Method

  84th EAGE Annual Conference & Exhibition

• Lecture by: Alyaev, S. , Ambrus, A., Jahani, N. , Elsheikh, A.H. (2022)

  Predicting likely stratigraphy realizations from shallow logs with AI

  NFES Monthly Technical Meeting

• Lecture by: Jahani, N. (2022)

  Quantifying depth of detection for deep-sensing borehole electromagnetic measurements

  Annual seminar SFI DigiWells

• Lecture by: Alyaev, S. , Jahani, N. , Fossum, K. , Tveranger, J. , Rammay, M.H., Larsen, D.S., Saint, C., Bratvold, R.B. , Elsheikh, A.H. (2022)

  Geosteering results: It's time to understand where the bit is heading

  Annual seminar SFI DigiWells

• Lecture by: Alyaev, S. , Ambrus, A., Jahani, N. , Elsheikh, A.H. (2022)

  AI‐based multi‐modal prediction of stratigraphy to inform drilling performance

  Annual seminar SFI DigiWells

• Lecture by: Jahani, N. , Torres-Verdin, C., Hou, J. (2022)

  Limits of detectability and resolution of deep-sensing borehole electromagnetic measurements from numerical modeling

  Geosteering and Formation Evaluation Workshop by NORCE and NFES

• Poster by: Ambrus, A., Alyaev, S. , Jahani, N. , Elsheikh, A.H. (2022)

  AI-based multi-modal interpretation of logs for ahead-of-bit probabilistic ROP prediction

  Geosteering and Formation Evaluation Workshop by NORCE and NFES

• Lecture by: Fossum, K. , Alyaev, S. , Tveranger, J. , Elsheikh, A.H. (2022)

  Verification of a real-time method for updating the geosteering earth model based on GAN

  Geosteering and Formation Evaluation Workshop by NORCE and NFES

• Poster by: Alyaev, S. (2022)

  Gamification of shallow geosteering

  Geosteering and Formation Evaluation Workshop by NORCE and NFES

• Poster by: Saputera, D.H. , Jakobsen, M., Alyaev, S. , Jahani, N. , Eikrem, K.S., van Dongen, K. (2022)

  GPU-accelerated integral equation method for 3D modelling of induction logs

  Geosteering and Formation Evaluation Workshop by NORCE and NFES

• Lecture by: Cheraghi, Y., Alyaev, S. , Hong, A., Kuvaev, I., Clark, S., Zhuravlev, A., Bratvold, R.B. (2022)

  What can we learn after 10000 geosteering decisions?

  Geosteering and Formation Evaluation Workshop by NORCE and NFES

• Lecture by: Rammay, M.H., Alyaev, S. , Bratvold, R.B. , Larsen, D.S., Saint, C. (2022)

  Real-time estimation of geological layers' profiles in an anisotropic environment while accounting for model-error: A case study on the Goliat field

  Geosteering and Formation Evaluation Workshop by NORCE and NFES

• Lecture by: Alyaev, S. , Ambrus, A., Jahani, N. , Elsheikh, A. (2022)

  Sequential Multi-Realization Probabilistic Interpretation of Well Logs and Geological Prediction by a Deep-Learning Method

  63d SPWLA Annual Symposium

• Lecture by: Alyaev, S. , Ambrus, A., Jahani, N. (2022)

  Demo: Sequential prediction with noisy GR log and naïve ROP prediction

  DigiWells technical meeting

• Lecture by: Jahani, N. , Torres-Verdin, C. (2021)

  HPC and finite‐difference modelling of deep EM logs

  SFI Digiwells Annual Seminar

• Lecture by: Muhammad, R.B. , Bratvold, R.B. , Alyaev, S. (2021)

  Reinforcement learning ​for better geosteering decisions

  DigiWells seminar

• Lecture by: Alyaev, S. (2021)

  Geosteering for IOR: Results and further opportunities

  DigiWells seminar

• Lecture by: Alyaev, S. , Elsheikh, A., Ambrus, A., Jahani, N. (2021)

  Deep learning for probabilistic inversion during geosteering

  HPC, DEEP LEARNING, AND NUMERICS IN GEOPHYSICS

• Lecture by: Alyaev, S. , Ambrus, A., Jahani, N. , Elsheikh, A. (2021)

  Sequential probabilistic multi-modal inversion and prediction with deep learning

  DigiWells demo

• Lecture by: Fossum, K. , Alyaev, S. , Suter, E.C., Tossi, G., Mele, M. (2021)

  Reducing 3D uncertainty by an ensemble-based geosteering workflow: an example from the Goliat field

  3rd EAGE/SPE Geosteering Workshop

• Lecture by: Alyaev, S. , Tveranger, J. , Fossum, K. , Elsheikh, A. (2021)

  Probabilistic forecasting for geosteering in fluvial successions using a generative adversarial network

  3rd EAGE/SPE Geosteering Workshop

• Lecture by: Alyaev, S. , Fossum, K. , Tveranger, J. , Elsheikh, A. (2021)

  Using generative adversarial networks for probabilistic predictions of complex geology ahead of drilling

  Mechanistic Machine Learning and Digital Twins for Computational Science, Engineering & Technology

• Lecture by: Rammay, M.H., Alyaev, S. , Elsheikh, A., Bratvold, R.B. (2021)

  Real-time probabilistic inversion with model-error assessment of a deep learning approximation of borehole electromagnetic measurements

  Mechanistic Machine Learning and Digital Twins for Computational Science, Engineering & Technology

• Lecture by: Jahani, N. , Torres-Verdin, C. (2021)

  Finite-Difference Modeling of Deep-Sensing Borehole EM Measurements on a CPU/GPU Cluster

  21st annual formation evaluation research consortium meeting

• Lecture by: Tadjer, M.A.A., Alyaev, S. , Miner, D., Kuvaev, I., Bratvold, R.B. (2021)

  Unlocking the Human Factor: Geosteering Decision Making as a Component of Drilling Operational Efficacy

  The Unconventional Resources Technology Conference

• Lecture by: Alyaev, S. , Fossum, K. , Shahriari, M., Pardo, D., Omella, Á.J., Larsen, D.S., Tveranger, J. , Elsheikh, A., Jahani, N. , Suter, E.C. (2021)

  Geological Predictions and Electromagnetic-Log Modelling using Deep Neural Networks

  SIAM Conference on Mathematical & Computational Issues in the Geosciences (GS21)

• Lecture by: Alyaev, S. , Shahriari, M., Omella, Á.J., Larsen, D.S., Jahani, N. , Suter, E.C. (2021)

  Deep learning model of logging-while-drilling electromagnetic measurements

  ICCS 2021: INTERNATIONAL CONFERENCE ON COMPUTATIONAL SCIENCE

• Lecture by: Rammay, M.H., Alyaev, S. , Elsheikh, A., Bratvold, R.B. (2021)

  Real-time probabilistic inversion of DNN-based DeepEM model while accounting for model error

  ICCS 2021: INTERNATIONAL CONFERENCE ON COMPUTATIONAL SCIENCE

• Lecture by: Fossum, K. , Alyaev, S. , Tveranger, J. , Elsheikh, A. (2021)

  Deep learning for prediction of complex geology ahead of drilling

  ICCS 2021: INTERNATIONAL CONFERENCE ON COMPUTATIONAL SCIENCE

• Lecture by: Jahani, N. , Ambia, J., Fossum, K. , Alyaev, S. , Suter, E.C., Torres-Verdin, C. (2021)

  REAL-TIME ENSEMBLE-BASED WELL-LOG INTERPRETATION FOR GEOSTEERING

  SPWLA 62nd Annual Symposium

• Lecture by: Alyaev, S. , Fossum, K. (2021)

  Probabilistic Geological Predictions and EM-Log Modelling using Deep Neural Networks

  NFES Stavanger Monthly Technical Meeting

• Lecture by: Alyaev, S. , Holsaeter, A.M., Bratvold, R.B. , Ivanova, S., Bendiksen, M. (2021)

  Systematic Decisions Under Uncertainty: An Experiment Towards Better Geosteering Operations

  SPE/IADC International Drilling Conference and Exhibition

• Lecture by: Alyaev, S. , Daireaux, B. (2021)

  Multi-Trajectory Hydraulic Model for More Accurate Geosteering Constraints

  SPE/IADC International Drilling Conference and Exhibition

• Lecture by: Alyaev, S. , Holsaeter, A.M. (2020)

  Geosteering Competition

  DigiWells operator’s forum

• Lecture by: Alyaev, S. , Rammay, M.H., Shahriari, M., Pardo, D., Omella, Á.J., Larsen, D.S., Jahani, N. , Suter, E.C., Elsheikh, A. (2020)

  Machine learning in real-time geosteering application: a DNN model for extra-deep EM logs and accounting for the model error during Bayesian inversion

  MATHROCKS workshop

• Lecture by: Alyaev, S. , Holsaeter, A.M., Bratvold, R.B. , Ivanova, S., Bendiksen, M. (2020)

  Geosteering with uncertainty quantification: Man vs Machine

  Virtual Highlight: Third EAGE/SPE Geosteering Workshop

• Lecture by: Jahani, N. , Ambia Garrido, J., Fossum, K. , Alyaev, S. , Suter, E.C. (2020)

  Sensitivity analysis of an iterative ensemble Kalman filter method to interpret geothermal well logging

  8th European Geothermal Workshop

• Poster by: Alyaev, S. , Suter, E.C., Bratvold, R.B. , Vefring, E., Jahani, N. (2019)

  Ensemble-based Decision-Support Workflow for Operational Geosteering

  Reservoir Characterization Conference

• Poster by: Suter, E.C. (2019)

  Multi-purpose Workflow for Effective 3D Geomodelling and Simulation

  Reservoir Characterization Conference

• Lecture by: Alyaev, S. , Daireaux, B., Suter, E.C., Hong, A., Bratvold, R.B. , Luo, X., Fossum, K. (2019)

  A Geosteeering Decision Support System that Balances Recovery and Drilling Risks

  Formation Evaluation and Geosteering Workshop

• Lecture by: Shahriari, M., Pardo, D., Picon, A., Alyaev, S. , Torres-Verdin, C. (2019)

  Simulation and Inversion of Resistivity Measurements Using Deep Learning

  Formation Evaluation and Geosteering Workshop

• Poster by: Sommer, M., Jakobsen, M., Alyaev, S. (2019)

  Inversion of electromagnetic data while drilling using a renormalized Born iterative method in k-space for anisotropic conductive media

  Formation Evaluation and Geosteering Workshop

• Lecture by: Alyaev, S. , Bendiksen, M., Holsaeter, A.M., Ivanova, S., Ewald, R. (2019)

  Geosteering competition the NORCE way

  Formation Evaluation and Geosteering Workshop

• Poster by: Suter, E.C., Alyaev, S. (2019)

  Towards 3D geomodel decision support while geosteering

  Formation Evaluation and Geosteering Workshop

• Poster by: Sommer, M., Jakobsen, M., Alyaev, S. (2019)

  Inversion of electromagnetic data while drilling using a distorted Born iterative method for anisotropic conductive media

  SEG Annual Meeting

• Lecture by: Alyaev, S. (2019)

  Geosteering decisions balancing drilling risks and well productivity

  Møte med AkerBP/Odfjell Drilling/Halliburton

• Lecture by: Jahani, N. , Suter, E.C., Daireaux, B., Bratvold, R.B. , Hong, A., Luo, X., Fossum, K. , Alyaev, S. (2019)

  Realtime multi-objective optimization of well trajectory under geological uncertainty

  ICIAM 2019 Congress

• Lecture by: Alyaev, S. (2019)

  Geosteering Decisions Balancing Recovery and Drilling Risks

  Collaboration to Increase Competitiveness

• Poster by: Suter, E.C., Kårstad, T.P., Escalona, A., Friis, H.A., Vefring, E. (2019)

  Principles for a hierarchical earth model representation aiming towards fit-for-purpose grid resolution

  81st EAGE Conference and Exhibition 2019

• Lecture by: Alyaev, S. , Bratvold, R.B. , Hong, A., Suter, E.C., Jahani, N. , Daireaux, B. (2019)

  Real-Time Decision Making for Geosteering

  SIAM Conference on Mathermatical & Computational Issures in the Geosciences (GS19)

• Lecture by: Suter, E.C., Friis, H.A., Kårstad, T.P., Escalona, A., Vefring, E. (2019)

  Novel Principles for Effective Earth Model Grid Management While Geosteering

  SIAM Conference on Mathermatical & Computational Issures in the Geosciences (GS19)

• Lecture by: Sommer, M., Jakobsen, M. (2018)

  Towards a fast integral equation method for inversion of electromagnetic data while drilling in complex reservoirs

  Second EAGE/SPE Geosteering and Well Placement Workshop

• Lecture by: Suter, E.C., Kårstad, T.P., Escalona Varela, A., Friis, H.A., Vefring, E., Alyaev, S. (2018)

  A Methodology for Effective Earth Model Management while Geosteering

  Second EAGE/SPE Geosteering and Well Placement Workshop

• Poster by: Alyaev, S. , Suter, E.C., Bratvold, R.B. , Vefring, E., Jahani, N. (2018)

  Ensemble-based Decision-support Workflow for Operational Geosteering

  Second EAGE/SPE Geosteering and Well Placement Workshop

• Lecture by: Alyaev, S. , Hong, A., Bratvold, R.B. (2018)

  Are you myopic, naïve or farsighted about your geosteering decisions?

  Second EAGE/SPE Geosteering and Well Placement Workshop

• Lecture by: Alyaev, S. , Bratvold, R.B. , Suter, E.C., Evensen, G., Luo, X., Vefring, E. (2018)

  Ensemble-based decision support system for geosteering

  NFES Stavanger Monthly Technical Meeting

• Lecture by: Alyaev, S. , Bratvold, R.B. , Luo, X., Suter, E.C., Vefring, E. (2018)

  An Interactive Decision Support System for Geosteering Operations

  SPE Norway One Day Seminar

• Lecture by: Evensen, G. (2018)

  Ensemble-based decision making?

  DAAG 2018

Total: 80