Publications (all)
2024 / 2023 / 2022 / 2021 / 2020 / 2019 / 2018

Poster by: Alyaev, S. , Ambrus, A., Jahani, N. , Elsheikh, A.H. (2024)
AIbased multimodal 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: Jahani, N. , Saputra, W., TorresVerdin, C., Romsås Fjeldberg, E. (2024)
Fast Stochastic Inversion of UDAR Measurements Using Adaptive MultiGrid 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 DecisionMaking Robot Into a CloudBased 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)
HighPrecision 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: ZeroShot Learning with Large Language Models for QuestionAnswering
IADC/SPE International Drilling Conference and Exhibition

Lecture by: Fossum, K. , Alyaev, S. , Elsheikh, A.H. (2024)
Ensemble HistoryMatching Workflow Using Interpretable SpadeGan Geomodel
Monthly Data Assimilation seminar

Lecture by: Jahani, N. (2023)
Stochastic Inversion of Borehole UltraDeep Azimuthal Resistivity Measurements Using Fast Multigrid 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 DecisionMaking
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 HistoryMatching Workflow Using Interpretable SpadeGan Geomodel
Fifth EAGE Conference on Petroleum Geostatistics

Lecture by: Alyaev, S. , Elsheikh, A.H., Ambrus, A., Jahani, N. (2023)
Direct MultiModal 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 RealTime 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 deepsensing 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. , TorresVerdin, C., Hou, J. (2022)
Limits of detectability and resolution of deepsensing 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)
AIbased multimodal interpretation of logs for aheadofbit 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 realtime 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)
GPUaccelerated 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)
Realtime estimation of geological layers' profiles in an anisotropic environment while accounting for modelerror: 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 MultiRealization Probabilistic Interpretation of Well Logs and Geological Prediction by a DeepLearning 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. , TorresVerdin, 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 multimodal 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 ensemblebased 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)
Realtime probabilistic inversion with modelerror 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. , TorresVerdin, C. (2021)
FiniteDifference Modeling of DeepSensing 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 ElectromagneticLog 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 loggingwhiledrilling electromagnetic measurements
ICCS 2021: INTERNATIONAL CONFERENCE ON COMPUTATIONAL SCIENCE

Lecture by: Rammay, M.H., Alyaev, S. , Elsheikh, A., Bratvold, R.B. (2021)
Realtime probabilistic inversion of DNNbased 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., TorresVerdin, C. (2021)
REALTIME ENSEMBLEBASED WELLLOG INTERPRETATION FOR GEOSTEERING
SPWLA 62nd Annual Symposium

Lecture by: Alyaev, S. , Fossum, K. (2021)
Probabilistic Geological Predictions and EMLog 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)
MultiTrajectory 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 realtime geosteering application: a DNN model for extradeep 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)
Ensemblebased DecisionSupport Workflow for Operational Geosteering
Reservoir Characterization Conference

Poster by: Suter, E.C. (2019)
Multipurpose 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. , TorresVerdin, 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 kspace 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 multiobjective 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 fitforpurpose 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)
RealTime 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)
Ensemblebased Decisionsupport 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)
Ensemblebased 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)
Ensemblebased decision making?
DAAG 2018
Total: 72