Professor i petroleumsteknisk investerings-/beslutningsanalyse
Telefon: 51832260
E-post: reidar.bratvold@uis.no
Rom: KE E-396
Organisasjonsenhet
Det teknisk-naturvitenskapelige fakultet
Institutt for energiressurser
Zakeri, Shervin; Konstantas, Dimitri; Bratvold, Reidar Brumer; Chatterjee, Prasenjit
(2024)
A cleaner supplier selection model using rate-weight connected vectors processor (RWCVP): Type I.Journal of Cleaner Production.
ISSN 0959-6526.
Volum 441.
Kor, Peyman; Hong, Aojie; Bratvold, Reidar Brumer
(2024)
Reservoir Production Management With Bayesian Optimization: Achieving Robust Results in a Fraction of the Time.SPE Journal.
ISSN 1086-055X.
Volum 29.
Hefte 2.
s.620-640.
DOI: 10.2118/217985-PA
Muhammad, Ressi Bonti; Cheraghi, Yasaman; Alyaev, Sergey; Srivastava, Apoorv; Bratvold, Reidar Brumer
(2024)
Enhancing Geosteering With AI: Integrating a Decision-Making Robot Into a Cloud-Based Environment and Benchmarking Against Human Experts . I: SPE Norway Subsurface Conference, April 17, 2024, Bergen, Norway.Society of Petroleum Engineers.
ISBN 978-1-959025-34-4.
DOI: 10.2118/218444-MS
Kor, Peyman; Bratvold, Reidar Brumer; Hong, Aojie
(2024)
Is Reinforcement Learning Good at American Option Valuation?.Algorithms.
ISSN 1999-4893.
Volum 17.
Hefte 9.
DOI: 10.3390/a17090400
Rammay, Muzammil Hussain; Alyaev, Sergey; Larsen, David Selvåg; Bratvold, Reidar Brumer; Saint, Craig
(2024)
Strategic geosteering workflow with uncertainty quantification and deep learning: Initial test on the Goliat Field data.Geophysics.
ISSN 0016-8033.
Volum 89.
Hefte 6.
s.D301-D314.
Ahmadi, Rouholah; Bratvold, Reidar Brumer
(2023)
An exposition of least square Monte Carlo approach for real options valuation.Journal of Petroleum Science and Engineering.
ISSN 0920-4105.
Zakeri, Shervin; Konstantas, Dimitri; Bratvold, Reidar Brumer; Pamucar, Dragan
(2023)
A Supplier Selection Model Using the Triangular Fuzzy-Grey Numbers.IEEE Access.
ISSN 2169-3536.
Volum 11.
s.107511-107532.
Tadjer, Mohamed Amine Amazigh; Hong, Aojie; Bratvold, Reidar Brumer
(2022)
Bayesian Deep Decline Curve Analysis: A New Approach for Well Oil Production Modeling and Forecasting.SPE Reservoir Evaluation and Engineering.
ISSN 1094-6470.
Volum 25.
Hefte 3.
s.568-582.
DOI: 10.2118/209616-PA
Cheraghi, Yasaman; Alyaev, Sergey; Hong, Aojie; Kuvaev, Igor; Clark, Stephen; Zhuravlev, Andrei; Bratvold, Reidar Brumer
(2022)
What can we learn after 10,000 geosteering decisions?. I: Proceedings of SPE/AAPG/SEG Unconventional Resources Technology Conference (URTEC).Society of Petroleum Engineers.
ISBN 000-0-00-000000-0.
s.1025-1044.
Nesvold, Erik; Bratvold, Reidar Brumer
(2022)
Debiasing probabilistic oil production forecasts.Energy.
ISSN 0360-5442.
Volum 258.
s.1-14.
Alyaev, Sergey; Holsaeter, Andrew Martin; Bratvold, Reidar Brumer; Ivanova, Sofija; Bendiksen, Morten
(2021)
Systematic decisions under uncertainty : An experiment towards better geosteering operations. I: IADC/SPE Managed Pressure Drilling & Underbalanced Operations Conference & Exhibition, Virtual, September 2021.Society of Petroleum Engineers.
ISBN 978-1-61399-742-0.
s.1-6.
DOI: 10.2118/204133-MS
Tadjer, Mohamed Amine Amazigh; Bratvold, Reidar Brumer
(2021)
Managing Uncertainty in Geological CO2 Storage Using Bayesian Evidential Learning.Energies.
ISSN 1996-1073.
Volum 14.
Hefte 6.
DOI: 10.3390/en14061557
Tadjer, Mohamed Amine Amazigh; Hong, Aojie; Bratvold, Reidar Brumer
(2021)
Machine learning based decline curve analysis for short-term oil production forecast.Energy exploration & exploitation.
ISSN 0144-5987.
Jafarizadeh, Babak; Bratvold, Reidar Brumer
(2021)
Project Economics in the Big-Bets Industry: The Integrated Valuation in Practice.Journal of Petroleum Science and Engineering.
ISSN 0920-4105.
Volum 197.
s.1-12.
Tadjer, Mohamed Amine Amazigh; Alyaev, Sergey; Miner, Dylan; Kuvaev, Igor; Bratvold, Reidar Brumer
(2021)
Unlocking the human factor : Geosteering decision making as a component of drilling operational efficacy. I: SPE/AAPG/SEG Unconventional Resources Technology Conference 2021.Society of Petroleum Engineers.
ISBN 000-0-00-000000-0.
Morosov, Andre Luis; Bratvold, Reidar Brumer
(2021)
Probability elicitation using geostatistics in hydrocarbon exploration.Computational Geosciences.
ISSN 1420-0597.
Morosov, Andre Luis; Bratvold, Reidar Brumer
(2021)
Drilling-Campaign Optimization Using Sequential Information and Policy Analytics.SPE Journal.
ISSN 1086-055X.
Volum 26.
Hefte 6.
s.3609-3625.
DOI: 10.2118/205213-PA
Morosov, Andre Luis; Bratvold, Reidar Brumer
(2021)
Appraisal campaign selection based on the maximum value of sequential information.Journal of Petroleum Science and Engineering.
ISSN 0920-4105.
Volum 208.
Tadjer, Mohamed Amine Amazigh; Bratvold, Reidar Brumer; Hanea, Remus Gabriel
(2021)
Efficient Dimensionality Reduction Methods in Reservoir History Matching.Energies.
ISSN 1996-1073.
DOI: 10.3390/en14113137
Tadjer, Mohamed Amine Amazigh; Bratvold, Reidar Brumer; Hong, Aojie; Hanea, Remus Gabriel
(2021)
Application of machine learning to assess the value of information in polymer flooding.Petroleum Research.
ISSN 2096-2495.
Volum 6.
s.309-320.
Tadjer, Mohamed Amine Amazigh; Hong, Aojie; Bratvold, Reidar Brumer
(2021)
A sequential decision and data analytics framework for maximizing value and reliability of CO2 storage monitoring.Journal of Natural Gas Science and Engineering.
ISSN 1875-5100.
Volum 96.
Alyaev, Sergey; Ivanova, Sofija; Holsaeter, Andrew Martin; Bratvold, Reidar Brumer; Bendiksen, Morten
(2021)
An interactive sequential-decision benchmark from geosteering.Applied Computing and Geosciences.
ISSN 2590-1974.
Volum 12.
Jafarizadeh, Babak; Bratvold, Reidar Brumer
(2021)
Project Valuation: Price Forecasts Bound to Discount Rates.Decision Analysis.
ISSN 1545-8490.
Volum 18.
Hefte 2.
s.139-152.
Jafarizadeh, Babak; Bratvold, Reidar Brumer
(2020)
The two-factor price process in optimal sequential exploration.Journal of the Operational Research Society.
ISSN 0160-5682.
Bratvold, Reidar Brumer; Mohus, Erlend; Petutschnig, David; Bickel, Eric
(2020)
Production Forecasting: Optimistic and Overconfident - Over and Over Again.SPE Reservoir Evaluation and Engineering.
ISSN 1094-6470.
Volum 23.
Hefte 03.
s.799-810.
DOI: 10.2118/195914-PA
Jafarizadeh, Babak; Bratvold, Reidar Brumer
(2020)
Sequential Exploration: Valuation with Geological Dependencies and Uncertain Oil Prices.SPE Journal.
ISSN 1086-055X.
Volum 25.
Hefte 05.
s.2401-2417.
DOI: 10.2118/202470-PA
Hong, Aojie; Bratvold, Reidar B; Lake, Larry W.
(2019)
Fast Analysis of Optimal Improved-Oil-Recovery Switch Time Using a Two-Factor Production Model and Least-Squares Monte Carlo Algorithm.SPE Reservoir Evaluation and Engineering.
ISSN 1094-6470.
Volum 22.
Hefte 3.
s.1144-1160.
DOI: 10.2118/191327-PA
Hong, Aojie; Bratvold, Reidar B; Lake, Larry W.; Ruiz Maraggi, Leopoldo
(2019)
Integrating Model Uncertainty in Probabilistic Decline-Curve Analysis for Unconventional-Oil-Production Forecasting.SPE Reservoir Evaluation and Engineering.
ISSN 1094-6470.
Volum 22.
Hefte 3.
s.861-876.
DOI: 10.2118/194503-PA
Jafarizadeh, Babak; Bratvold, Reidar B
(2019)
The Option Value of Refracturing Oil Wells: Implementation in a Binomial Lattice.SPE Journal.
ISSN 1086-055X.
Volum 24.
Hefte 4.
s.1903-1911.
DOI: 10.2118/195585-PA
Jafarizadeh, Babak; Bratvold, Reidar B
(2019)
Exploration economics: taking opportunities and the risk of double-counting risk.Mineral Economics.
ISSN 2191-2203.
s.1-13.
Hanea, Remus Gabriel; Casanova, Pierrick; Hustoft, Lars; Bratvold, Reidar B; Nair, Rohith; Hewson, Christopher William; Leeuwenburgh, Olwijn; Fonseca, Rahul-Mark
(2019)
Drill and Learn: A Decision-Making Work Flow To Quantify Value of Learning .SPE Reservoir Evaluation and Engineering.
ISSN 1094-6470.
Volum 22.
Hefte 3.
s.1131-1143.
DOI: 10.2118/182719-PA
Alyaev, Sergey; Suter, Erich Christian; Bratvold, Reidar B; Hong, Aojie; Luo, Xiaodong; Fossum, Kristian
(2019)
A decision support system for multi-target geosteering.Journal of Petroleum Science and Engineering.
ISSN 0920-4105.
Volum 183.
s.1-14.
Hong, Aojie; Bratvold, Reidar B; Thomas, Philip; Hanea, Remus Gabriel
(2018)
Value-of-information for model parameter updating through history matching.Journal of Petroleum Science and Engineering.
ISSN 0920-4105.
Volum 165.
s.253-268.
Alyaev, Sergey; Bratvold, Reidar B; Luo, Xiaodong; Suter, Erich Christian; Vefring, Erlend
(2018)
An Interactive Decision Support System for Geosteering Operations. I: SPE Norway One Day Seminar 2018.Society of Petroleum Engineers.
ISBN 978-1-61399-609-6.
DOI: 10.2118/191337-MS
Kullawan, Kanokwan; Bratvold, Reidar B; Bickel, James Eric
(2018)
Sequential geosteering decisions for optimization of real-time well placement.Journal of Petroleum Science and Engineering.
ISSN 0920-4105.
Volum 165.
s.90-104.
Alyaev, Sergey; Hong, Aojie; Bratvold, Reidar Brumer
(2018)
Are you myopic, naïve or farsighted about your geosteering decisions?. I: Second EAGE/SPE Geosteering and Well Placement Workshop.ISBN 978-94-6282-275-7.
Alyaev, Sergey; Suter, Erich Christian; Bratvold, Reidar Brumer; Vefring, Erlend; Jahani, Nazanin
(2018)
Ensemble-based decision-support workflow for operational geosteering. I: Second EAGE/SPE Geosteering and Well Placement Workshop.ISBN 978-94-6282-275-7.
Hong, Aojie; Bratvold, Reidar Brumer
(2017)
Value of Information from History Matching—How Much Information is Enough? . I: 19th European Symposium on Improved Oil Recovery/IOR Norway 2017.European Association of Geoscientists and Engineers (EAGE).
ISBN 978-94-6282-209-2.
Hong, Aojie; Bratvold, Reidar Brumer; Nævdal, Geir
(2017)
Robust production optimization with capacitance-resistance model as precursor.Computational Geosciences.
ISSN 1420-0597.
Volum Published ahead of print.
s.1-20.
Willigers, Bart J. A.; Bratvold, Reidar B; Bickel, James Eric
(2017)
Maximizing the Value of Unconventional Reservoirs by Choosing the Optimal Appraisal Strategy.SPE Reservoir Evaluation and Engineering.
ISSN 1094-6470.
Volum 20.
Hefte 3.
s.502-512.
DOI: 10.2118/179960-PA
Willigers, Bart J. A.; Jones, Benjamin; Bratvold, Reidar B
(2017)
The net-present-value paradox: Criticized by many, applied by all.SPE Economics & Management.
ISSN 2150-1173.
Volum 9.
Hefte 4.
s.90-102.
DOI: 10.2118/187937-pa
Willigers, Bart J. A.; Begg, Steve; Bratvold, Reidar B
(2017)
Hot spot hunting: Optimising the staged development of shale plays.Journal of Petroleum Science and Engineering.
ISSN 0920-4105.
Volum 149.
s.553-563.
Hanea, Remus Gabriel; Casanova, P.; Hustoft, L.; Bratvold, Reidar Brumer; Nair, R.; Hewson, C.; Leeuwenburgh, O.; Fonseca, R.M.
(2017)
Drill and learn: A decision-making work flow to quantify value of learning.
Journal of Petroleum Technology.
ISSN 0149-2136.
Volum 69.
Hefte 4.
s.95-96.
Willigers, Bart J. A.; Begg, Steve; Bratvold, Reidar Brumer
(2016)
Appraising unconventional resources: How many wells to drill and where to place them?.SPE Reservoir Evaluation and Engineering.
ISSN 1094-6470.
Volum 19.
Hefte 2.
s.340-349.
DOI: 10.2118/179736-PA
Hong, Aojie; Bratvold, Reidar Brumer; Nævdal, Geir
(2016)
Robust Production Optimization with Capacitance-Resistance Model as Precursor. I: ECMOR XV - Proceedings of 15th European Conference on the Mathematics of Oil Recovery, Amsterdam, Netherlands, 29 August - 1 September, 2016.European Association of Geoscientists and Engineers (EAGE).
ISBN 978-94-6282-193-4.
Kullawan, Kanokwan; Bratvold, Reidar Brumer; Bickel, J. Eric
(2016)
Value Creation with Multi-Criteria Decision Making in Geosteering Operations.International Journal of Petroleum Technology.
ISSN 2409-787X.
Volum 3.
Hefte 1.
s.15-31.
Kullawan, Kanokwan; Bratvold, Reidar Brumer; Malagon, Camilo
(2016)
Decision-oriented geosteering and the value of look-ahead information: A case-based study.SPE Journal.
ISSN 1086-055X.
Volum 22.
Hefte 3.
s.767-782.
DOI: 10.2118/184392-PA
Jafarizadeh, Babak; Bratvold, Reidar Brumer
(2015)
Oil and Gas Exploration Valuation and the Value of Waiting.The Engineering Economist.
ISSN 0013-791X.
Volum 60.
Hefte 4.
s.245-262.
Kullawan, Kanokwan; Bratvold, Reidar B; Bickel, James Eric
(2014)
A Decision Analytic Approach to Geosteering Operations.SPE Drilling & Completion.
ISSN 1064-6671.
Volum 29.
Hefte 1.
s.36-46.
DOI: 10.2118/167433-PA
Willigers, BJA; Begg, S; Bratvold, Reidar B
(2014)
Combining geostatistics with Bayesian updating to continually optimize drilling strategy in shale-gas plays.SPE Reservoir Evaluation and Engineering.
ISSN 1094-6470.
Volum 17.
Hefte 4.
s.507-519.
DOI: 10.2118/164816-PA
Thomas, Philip; Bratvold, Reidar B; Bickel, J. Eric
(2014)
The Risk of Using Risk Matrices .SPE Economics & Management.
ISSN 2150-1173.
Volum 6.
Hefte 2.
s.56-66.
DOI: 10.2118/166269-PA
Bratvold, Reidar B; Thomas, Philip; Begg, S.H.
(2014)
Robust Discretization of Continuous Probability Distributions for Value-of-Information Analyses. I: 2014, International Petroleum Technology Conference.International Petroleum Technology Conference.
ISBN 978-1-61399-322-4.
DOI: 10.2523/iptc-17975-m
Willigers, B.J.A.; Begg, S.; Bratvold, Reidar Brumer
(2014)
Combined geostatistics and Bayesian updating optimize drilling in shale-gas plays.
Journal of Petroleum Technology.
ISSN 0149-2136.
Volum 66.
Hefte 10.
s.179-184.
Thomas, Philip; Bratvold, Reidar Brumer; Bickle, J. Eric
(2014)
Inherent flaws in risk matrices may preclude them from being best practices.
Journal of Petroleum Technology.
ISSN 0149-2136.
Volum 66.
Hefte 8.
Jafarizadeh, Babak; Bratvold, Reidar B
(2013)
Sell Spot or Sell Forward? Analysis of Oil Trading Decisions Using the Two-Factor Price Model and Simulation.SPE Economics & Management.
ISSN 2150-1173.
Volum 5.
Hefte 3.
s.80-88.
DOI: 10.2118/165581-PA
Engen, Ole Andreas H; Langhelle, Oluf; Bratvold, Reidar B
(2012)
Is Norway really Norway?. I: Beyond the Resource Curse.University of Pennsylvania Press.
ISBN 978-0-8122-4400-7.
s.259-279.
Jafarizadeh, Babak; Bratvold, Reidar B
(2012)
Two-Factor Oil-Price Model and Real Option Valuation: An Example of Oilfield Abandonment.SPE Economics & Management.
ISSN 2150-1173.
Volum 4.
Hefte 3.
s.158-170.
DOI: 10.2118/162862-PA
Giese, Martin; Bratvold, Reidar B
(2011)
Probabilistic Modeling for Decision Support in Integrated Operations.SPE Economics & Management.
ISSN 2150-1173.
Volum 3.
Hefte 3.
s.173-185.
DOI: 10.2118/127761-PA
Willigers, Bart J.A.; Begg, Steve; Bratvold, Reidar B
(2011)
Valuation of Swing Contracts by Least-Squares Monte Carlo Simulation.SPE Economics & Management.
ISSN 2150-1173.
Volum 3.
Hefte 4.
s.215-255.
DOI: 10.2118/133044-PA
Rasheva, Svitlana; Bratvold, Reidar B
(2011)
A New and Improved Approach for Geological Dependency Evaluation for Multiple-Prospect Exploration. I: SPE Annual Technical Conference and Exhibition, 30 October-2 November 2011, Denver, Colorado, USA.Society of Petroleum Engineers.
ISBN 978-1-61399-147-3.
DOI: 10.2118/147062-m
Giese, Martin; Bratvold, Reidar B
(2010)
Probabilistic Modeling for Decision Support in Integrated Operations. I: 2010 SPE Intelligent Energy Conference & Exhibition: Delivering Value - Creating Opportunities.
Society of Petroleum Engineers.
ISBN 978-1-55563-284-7.
Willigers, B.J.A.; Hausken, Kjell; Bratvold, Reidar B
(2010)
Uncertainty and preferences in a joint E&P development program analyzed in a game theoretic framework.Journal of Petroleum Science and Engineering.
ISSN 0920-4105.
Volum 74.
Hefte 1-2.
s.88-98.
Bratvold, Reidar B; Rajaieyamchee, Mohammad
(2010)
A Decision Analytic Framework for Autonomous Geosteering. I: http://www.spe.org.
Society of Petroleum Engineers.
Rajaieyamchee, Mohamad Ali; Bratvold, Reidar B; Badreddine, A.
(2010)
Bayesian Decision Networks for Optimal Placement of Horizontal Wells. I: 72nd EAGE Conference & Exhibition incorporating SPE EUROPEC 2010 Barcelona.
European Association of Geoscientists and Engineers (EAGE).
ISBN 978-90-73781-86-3.
Bratvold, Reidar B; Begg, S.H.; Rasheva, Svitlana
(2010)
A New Approach to Uncertainty Quantification for Decision Making. I: 2010 SPE Hydrocarbon Economics and Evaluation Symposium - Global Volatility : Surviving & Thriving - HEES 2010.
Society of Petroleum Engineers.
ISBN 978-1-55563-282-3.
Willigers, Bart J. A.; Bratvold, Reidar Brumer; Hausken, Kjell
(2009)
A Game Theoretic Approach to Conflicting and Evolving Stakeholder Preferences in the E&P Industry.
SPE Economics & Management.
ISSN 2150-1173.
Volum 1.
Hefte 1.
s.19-26.
Bratvold, Reidar Brumer; Bickel, J. Eric; Lohne, Hans Petter
(2009)
Value of Information in the Oil and Gas Industry: Past, Present, and Future.SPE Reservoir Evaluation and Engineering.
ISSN 1094-6470.
Volum 12.
Hefte 4.
s.630-638.
DOI: 10.2118/110378-PA
Willigers, B.J.A.; Bratvold, Reidar Brumer
(2009)
Valuing Oil and Gas Options by Least-Squares Monte Carlo Simulation.
Oil and Gas Facilities.
ISSN 1942-2431.
Volum 4.
Hefte 4.
s.146-155.
Bratvold, Reidar Brumer; Rajaieyamchee, Mohammad; Willigers, B.J.A.
(2009)
The right decision.
Oil & Gas Journal.
ISSN 0030-1388.
Volum 10.
Jafarizadeh, Babak; Bratvold, Reidar Brumer
(2009)
Strategic Decision Making in the Digital Oil Field. I: SPE Digital Energy Conference and Exhibition.
Society of Petroleum Engineers.
Jafarizadeh, Babak; Bratvold, Reidar Brumer
(2009)
Taking Real Options into the Real World: Asset Valuation through Option Simulation. I: SPE Annual Technical Conference and Exhibition.
Society of Petroleum Engineers.
Rajaieyamchee, Mohammad; Bratvold, Reidar Brumer
(2009)
Real-time Decision Support in Drilling Operations using Bayesian Decision Networks. I: SPE Annual Technical Conference and Exhibition.
Society of Petroleum Engineers.
Jafarizadeh, Babak; Bratvold, Reidar Brumer
(2009)
Real Options Analysis in Petroleum Exploration and Production: A New Paradigm in Investment Analysis. I: SPE Europec/EAGE Annual Conference and Exhibition.
Society of Petroleum Engineers.
Bratvold, Reidar B; Begg, Steve
(2008)
I would rather be vaguely right than precisely wrong: A new approach to decision making in the petroleum exploration and production industry.American Association of Petroleum Geologists Bulletin.
ISSN 0149-1423.
Volum 92.
Hefte 10.
s.1373-1392.
DOI: 10.1306/06040808070
Willigers, Bart J. A.; Bratvold, Reidar Brumer
(2008)
Valuing Oil and Gas Options by Least-Squares Monte Carlo Simulation. I: http://www.spe.org/.
Society of Petroleum Engineers.
Begg, Steve; Bratvold, Reidar Brumer
(2008)
Systematic Prediction Errors in O&G Project and Portfolio Selection. I: http://www.spe.org/.
Society of Petroleum Engineers.
s.1-12.
Fjellheim, Roar A.; Bratvold, Reidar Brumer; Herbert, MIke
(2008)
CODIO - Collaborative Decisionmaking in Integrated Operations. I: http://www.spe.org/.
Society of Petroleum Engineers.
Arild, Øystein; Lohne, Hans Petter; Bratvold, Reidar Brumer
(2008)
A Monte Carlo Approach to Value of Information Evaluation. I: http://www.spe.org/.
Society of Petroleum Engineers.
Sund, Knut Arne; Bratvold, Reidar Brumer
(2008)
Integrated Operations: How Effective is the Current Relationship between Operating Companies and Suppliers?. I: http://www.spe.org/.
Society of Petroleum Engineers.
Bickel, J. Eric; Bratvold, Reidar B
(2008)
From Uncertainty Quantification to Decision Making in the Oil and Gas Industry.
Energy exploration & exploitation.
ISSN 0144-5987.
Volum 26.
Hefte 5.
s.311-325.
Bratvold, Reidar Brumer; Bickel, J. Eric; Lohne, Hans Petter
(2007)
Value of Information in the Oil and Gas Industry: Past, Present, and Future. I: spe.org/elibrary.
Society of Petroleum Engineers.
Bickel, J. Eric; Bratvold, Reidar Brumer
(2007)
Decision Making in the Oil and Gas Industry: From Blissful Ignorance to Uncertainty-Induced Confusion. I: spe.org/elibrary.
Society of Petroleum Engineers.
Welsh, Matthew; Begg, Steve; Bratvold, Reidar Brumer
(2007)
Modeling the Economic Impact of Cognitive Biases on Oil and Gas Decisions. I: spe.org/elibrary.
Society of Petroleum Engineers.
Welsh, Matthew; Begg, Steve; Bratvold, Reidar Brumer
(2007)
Efficacy of Bias Awareness in Debiasing Oil and Gas Judgments.
Cognitive Science.
ISSN 0364-0213.
s.1647-1652.
Bratvold, Reidar Brumer
(2006)
Copulas: A New Technique to Model Dependence in Petroleum Decision Making.
Journal of Petroleum Science and Engineering.
ISSN 0920-4105.
Bratvold, Reidar Brumer
(2006)
Education for the Real World: Equipping Petroleum Engineers to Manage Uncertainty. I: Proceedings: SPE ATCE, San Antonio, Texas, 24 - 27 September 2006.
Society of Petroleum Engineers.
Bratvold, Reidar Brumer
(2006)
Correcting Common Errors in Probabilistic Evaluations: Efficacy of Debiasing. I: Proceedings: SPE ATCE, San Antonio, Texas, 24 - 27 September 2006.
Society of Petroleum Engineers.
Bratvold, Reidar Brumer
(2006)
Case Studies for Comparison of Different Real Option Approaches. I: Proceedings: SPE Asia Oil and Gas Conference, Adelaide, Australia, 11 - 13 September 2006.
Society of Petroleum Engineers.
ISBN 978-1-55563-223-6.
Elvaretta, Stacia
(2021)
Value of Information Analysis in CO2 Sequestration Projects.
Universitetet i Stavanger.
Gjedrem, Christian
(2018)
Effect of Sand Screen Erosion on Reservoir Performance.
Universitetet i Stavanger.
Bratvold, Reidar Brumer; Bodawala, Jugal
(2017)
Portfolio Optimisation using Sipmath.
Bratvold, Reidar Brumer; Medina, Camilo
(2017)
Offshore Exploratory Drilling Campaigns During Low Oil Price Period: Maximizing Value Creation From Flexibility.
Yichen, Yang
(2016)
A Reduced Order Model for Fast Predioction from an Oil Reservoir with a Gas Cap.
Universitetet i Stavanger.
Kullawan, Kanokwan; Bratvold, Reidar Brumer
(2016)
A Bayesian Framework for Real-Time Optimization of Well Placement.
Universitetet i Stavanger.
ISBN 978-82-7644-666-1.
Hefte 307.
Pham, Duc Viet; Bratvold, Reidar B
(2015)
The impact of biases on prospect evaluation and Exploration decisons.
Universitetet i Stavanger.
Begg, S.H.; Bratvold, Reidar B; Welsh, Matthew
(2014)
Uncertainty vs. Variability: What’s the Difference and Why is it Important?. I: 2014 SPE Hydrocarbon Economics and Evaluation Symposium .
Society of Petroleum Engineers.
ISBN 978-1-61399-332-3.
Kullawan, Kanokwan; Bratvold, Reidar B; Bickel, J. Eric
(2014)
Value Creation with Multi-Criteria Decision Making in Geosteering Operations. I: 2014 SPE Hydrocarbon Economics and Evaluation Symposium .
Society of Petroleum Engineers.
ISBN 978-1-61399-332-3.
Bratvold, Reidar Brumer; Begg, Steve
(2010)
Making Good Decisions.
Society of Petroleum Engineers.
Bratvold, Reidar B; Begg, Stephen Hope; Rasheva, Svitlana
(2010)
2010 SPE Hydrocarbon Economics and Evaluation Symposium - Global Volatility : Surviving & Thriving - HEES 2010.
Society of Petroleum Engineers.
ISBN 978-1-55563-282-3.
Muhammad, Ressi Bonti; Cheraghi, Yasaman; Alyaev, Sergey; Srivastava, Apoorv; Bratvold, Reidar Brumer
(2024)
Enhancing Geosteering With AI: Integrating a Decision-Making Robot Into a Cloud-Based Environment and Benchmarking Against Human Experts .
SPE Norway Subsurface Conference;
2024-04-17.
Muhammad, Ressi Bonti; Cheraghi, Yasaman; Alyaev, Sergey; Srivastava, Apoorv; Bratvold, Reidar Brumer; Tartakovsky, Daniel M.
(2024)
High-Precision Geosteering via Reinforcement Learning and Particle Filters.
Monthly Data Assimilation seminar;
2024-04-16.
Alyaev, Sergey; Muhammad, Ressi Bonti; Cheraghi, Yasaman; Bratvold, Reidar Brumer; Srivastava, Apoorv; Tartakovsky, Daniel M.
(2024)
Optimizing Sequential Decisions in Geosteering: Reinforcement Learning vs Human Experts in Fast-Paced Uncertain Environment.
CSSR Annual Conference 2024;
2024-09-18 - 2024-09-19.
Cardozo, Nestor; Watson, Lisa; Escalona, Alejandro; Augustsson, Carita; Zimmermann, Udo; Hiorth, Aksel; Bratvold, Reidar Brumer; Puntervold, Tina; Weibull, Wiktor Waldemar; Andersen, Pål Østebø
(2023)
Det grønne skiftet trenger naturvitenskapene – også ved UiS!.
Stavanger Aftenblad.
ISSN 0804-8991.
Muhammad, Ressi Bonti; Srivastava, Apoorv; Alyaev, Sergey; Bratvold, Reidar Brumer; Tartakovsky, Daniel M.
(2023)
Integrating Reinforcement Learning and Particle Filter for Enhanced Geosteering Decision-Making.
DigiWells Seminar;
2023-11-28 - 2023-11-29.
Bratvold, Reidar Brumer; Kjosavik, Svein Reidar
(2022)
I would rather be vaguely right than precisely wrong.Scandinavian Journal of Primary Health Care.
ISSN 0281-3432.
Cheraghi, Yasaman; Alyaev, Sergey; Hong, Aojie; Kuvaev, Igor; Clark, Stephen; Zhuravlev, Andrei; Bratvold, Reidar Brumer
(2022)
What can we learn after 10,000 geosteering decisions?.
URTeC ;
2022-06-20 - 2022-06-22.
Rammay, Muzammil Hussain; Alyaev, Sergey; Bratvold, Reidar Brumer; Larsen, David Selvåg; Saint, Craig
(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;
2022-11-01 - 2022-11-02.
Cheraghi, Yasaman; Alyaev, Sergey; Hong, Aojie; Kuvaev, Igor; Clark, Stephen; Zhuravlev, Andrei; Bratvold, Reidar Brumer
(2022)
What can we learn after 10000 geosteering decisions?.
Geosteering and Formation Evaluation Workshop by NORCE and NFES;
2022-11-01 - 2022-11-02.
Alyaev, Sergey; Jahani, Nazanin; Fossum, Kristian; Tveranger, Jan; Rammay, Muzammil Hussain; Larsen, David Selvåg; Saint, Craig; Bratvold, Reidar Brumer; Elsheikh, Ahmed H.
(2022)
Geosteering results: It's time to understand where the bit is heading.
Annual seminar SFI DigiWells;
2022-12-01 - 2022-12-02.
Alyaev, Sergey; Holsaeter, Andrew Martin; Bratvold, Reidar Brumer; Ivanova, Sofija; Bendiksen, Morten
(2021)
Systematic Decisions Under Uncertainty: An Experiment Towards Better Geosteering Operations.
SPE/IADC International Drilling Conference and Exhibition;
2021-03-08 - 2021-03-12.
Rammay, Muzammil Hussain; Alyaev, Sergey; Elsheikh, Ahmed; Bratvold, Reidar Brumer
(2021)
Real-time probabilistic inversion of DNN-based DeepEM model while accounting for model error.
ICCS 2021: INTERNATIONAL CONFERENCE ON COMPUTATIONAL SCIENCE;
2021-06-16 - 2021-06-18.
Tadjer, Mohamed Amine Amazigh; Alyaev, Sergey; Miner, Dylan; Kuvaev, Igor; Bratvold, Reidar Brumer
(2021)
Unlocking the Human Factor: Geosteering Decision Making as a Component of Drilling Operational Efficacy.
The Unconventional Resources Technology Conference;
2021-07-26 - 2021-07-28.
Morosov, Andre Luis; Bratvold, Reidar Brumer
(2021)
Field Development Optimization Using Sequential Decisions and Analytics.
SPE EUROPEC at the 82nd EAGE Conference & Exhibition;
2021-10-18 - 2021-10-21.
Rammay, Muzammil Hussain; Alyaev, Sergey; Elsheikh, Ahmed; Bratvold, Reidar Brumer
(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;
2021-09-26 - 2021-09-29.
Muhammad, Ressi Bonti; Bratvold, Reidar Brumer; Alyaev, Sergey
(2021)
Reinforcement learning for better geosteering decisions.
DigiWells seminar;
2021-11-23 - 2021-11-24.
Alyaev, Sergey; Holsaeter, Andrew Martin; Bratvold, Reidar Brumer; Ivanova, Sofija; Bendiksen, Morten
(2020)
Geosteering with uncertainty quantification: Man vs Machine.
Virtual Highlight: Third EAGE/SPE Geosteering Workshop;
2020-11-02.
Hong, Aojie; Bratvold, Reidar B
(2019)
The Full Structure of Reservoir Management.
SIAM Conference on Mathematical & Computational Issues in the Geosciences (GS19);
2019-03-11 - 2019-03-14.
Bratvold, Reidar B
(2019)
Production Forecasts – Optimistic and Overconfident, Over and Over Again.
IOR NORWAY 2019;
2019-03-19 - 2019-03-20.
Alyaev, Sergey; Bratvold, Reidar B; Hong, Aojie; Suter, Erich Christian; Jahani, Nazanin; Daireaux, Benoit
(2019)
Real-Time Decision Making for Geosteering.
SIAM Conference on Mathermatical & Computational Issures in the Geosciences (GS19);
2019-03-11 - 2019-03-14.
Jahani, Nazanin; Suter, Erich Christian; Daireaux, Benoit; Bratvold, Reidar B; Hong, Aojie; Luo, Xiaodong; Fossum, Kristian; Alyaev, Sergey
(2019)
Realtime multi-objective optimization of well trajectory under geological uncertainty.
ICIAM 2019 Congress;
2019-07-15 - 2019-07-19.
Alyaev, Sergey; Daireaux, Benoit; Suter, Erich Christian; Hong, Aojie; Bratvold, Reidar B; Luo, Xiaodong; Fossum, Kristian
(2019)
A Geosteeering Decision Support System that Balances Recovery and Drilling Risks.
Formation Evaluation and Geosteering Workshop;
2019-11-05 - 2019-11-06.
Alyaev, Sergey; Suter, Erich Christian; Bratvold, Reidar B; Vefring, Erlend; Jahani, Nazanin
(2019)
Ensemble-based Decision-Support Workflow for Operational Geosteering .
Reservoir Characterization Conference;
2019-12-03 - 2019-12-04.
Hong, Aojie; Bratvold, Reidar B; Lake, Larry
(2018)
Fast Analysis of Optimal IOR Switch Time Using a Two-Factor Production Model and Least-Squares Monte Carlo Algorithm.
SPE Norway One Day Seminar;
2018-04-18.
Alyaev, Sergey; Bratvold, Reidar B; Luo, Xiaodong; Suter, Erich Christian; Vefring, Erlend
(2018)
An Interactive Decision Support System for Geosteering Operations.
SPE Norway One Day Seminar;
2018-04-18 - .
Alyaev, Sergey; Bratvold, Reidar B; Suter, Erich Christian; Evensen, Geir; Luo, Xiaodong; Vefring, Erlend
(2018)
Ensemble-based decision support system for geosteering.
NFES Stavanger Monthly Technical Meeting;
2018-05-02 - .
Alyaev, Sergey; Hong, Aojie; Bratvold, Reidar B
(2018)
Are you myopic, naïve or farsighted about your geosteering decisions?.
Second EAGE/SPE Geosteering and Well Placement Workshop;
2018-11-05 - 2018-11-08.
Alyaev, Sergey; Suter, Erich Christian; Bratvold, Reidar B; Vefring, Erlend; Jahani, Nazanin
(2018)
Ensemble-based Decision-support Workflow for Operational Geosteering.
Second EAGE/SPE Geosteering and Well Placement Workshop;
2018-11-05 - 2018-11-08.
Bratvold, Reidar B; Mohus, Erlend
(2018)
Feltene gir mindre olje enn tenkt.
Hong, Aojie; Bratvold, Reidar B; Lake, Larry; Ruiz Maraggi, Leopoldo
(2018)
Integrating Model Uncertainty in Probabilistic Decline Curve Analysis for Unconventional Oil Production Forecasting.
Unconventional Resources Technology Conference (URTeC);
2018-07-23 - 2018-07-25.
Cardenas, Camillo; Bratvold, Reidar B; Jafarizadeh, Babak
(2018)
Offshore exploratory drilling campaigns during oil price downturns: Maximizing value creation from flexibility.
EUROPEC;
2018-06-08 - 2018-06-10.
Hong, Aojie; Bratvold, Reidar Brumer
(2017)
Value of Information from History Matching—How Much Information is Enough? .
IOR 2017 - 19th European Symposium on Improved Oil Recovery;
2017-04-24 - 2017-04-27.
Hong, Aojie; Bratvold, Reidar Brumer; Lake, L. W.
(2017)
Integrating Model Uncertainty in Probabilistic Decline Curve Analysis for Unconventional Hydrocarbon Production Forecast.
Petroleum Economics - Optimisation vs Growth in Uncertain Times;
2017-09-27 - 2017-09-28.
Hong, Aojie; Bratvold, Reidar Brumer; Nævdal, Geir
(2016)
Robust Production Optimization with Capacitance-Resistance Model as Proxy.
Lunch & Learn;
2016-04-14.
Hong, Aojie; Bratvold, Reidar Brumer; Nævdal, Geir
(2016)
Using a Capacitance-Resistance Model as Proxy for Fast Robust Production Optimization.
IOR NORWAY 2016;
2016-04-26 - 2016-04-27.
Hong, Aojie; Bratvold, Reidar Brumer; Nævdal, Geir
(2016)
Realistic Application of EnKFon Capacitance-Resistance Models.
11TH INTERNATIONAL ENKF WORKSHOP;
2016-06-20 - 2016-06-22.
Hong, Aojie; Bratvold, Reidar Brumer; Nævdal, Geir
(2016)
Robust Production Optimization with Capacitance-Resistance Model as Precursor.
ECMOR XV - 15 th European Conference on the Mathematics of Oil Recovery;
2016-08-29 - 2016-09-01.
Kullawan, Kanokwan; Bratvold, Reidar Brumer; Bickel, J. Eric
(2016)
Decision Analytics for Look-Ahead Decision-Making: Optimize Your Well and Save Your Money.
SPE/EAGE Geosteering and Well Placement Workshop;
2016-02-08 - 2016-02-10.
Bratvold, Reidar B
(2015)
How much information is enough? Value-of-information for IOR.
IOR NORWAY 2015;
2015-04-28 - 2015-04-29.
Bratvold, Reidar B
(2015)
Uncertainty, Risk and Variability = Confusion.
Lunch Seminar;
2015-03-26 - .
Kullawan, Kanokwan; Bratvold, Reidar Brumer; Bickel, J. Eric
(2015)
Decision Analytics for Look-Ahead Decision-Making: Optimize Your Well and Save Your Money.
SPE/EAGE Geosteering and Well Placement Workshop;
2015-10-08 - 2015-10-10.
Kullawan, Kanokwan; Bratvold, Reidar Brumer; Bickel, J. Eric
(2015)
Automated Geosteering With Look-Ahead Decision-Making: Optimize Your Well and Save Your Money.
DrillWell Seminar ;
2015-09-22 - 2015-09-23.
Bratvold, Reidar B; Thomas, Philip; Begg, S.H.
(2014)
Robust Discretization of Continuous Probability Distributions for Value-of-Information Analyses.
8th International Petroleum Technology Conference;
2014-12-10 - 2014-12-12.
Begg, S.H.; Bratvold, Reidar B; Welsh, Matthew
(2014)
Uncertainty vs. Variability: What's the Difference and Why is it Important?.
SPE Hydrocarbon Economics and Evaluation Symposium;
2014-05-19 - 2014-05-20.
Kullawan, Kanokwan; Bratvold, Reidar B; Bickel, Eric J.
(2014)
Value Creation with Multi-Criteria Decision Making in Geosteering Operations.
SPE Hydrocarbon Economics and Evaluation Symposium, 19-20 May, ;
2014-05-19 - 2014-05-20.
Kullawan, Kanokwan; Bratvold, Reidar Brumer; Bickel, J. Eric
(2014)
Decision Driven Drilling Operations .
DrillWell Seminar;
2014-09-24 - 2014-09-25.
Kullawan, Kanokwan; Bratvold, Reidar B; Bickel, J. Eric
(2013)
A Decision Analytic Approach to Geosteering Operations.
SPE Middle East Intelligent Energy Conference and Exhibition;
2013-10-28 - 2013-10-30.
Thomas, Philip; Bratvold, Reidar B; Bickel, J. Eric
(2013)
The Risk of Using Risk Matrices.
SPE Annual Technical Conference and Exhibition;
2013-09-30 - 2013-10-02.
Willigers, Bart J.A.; Begg, S.H.; Bratvold, Reidar B
(2013)
Combining Geostatistics With Bayesian Updating to Continually Optimize Drilling Strategy in Shale Gas Plays.
EAEG Annual Conference and Exhibition;
2013-06-10 - 2013-06-13.
Rasheva, Svitlana; Bratvold, Reidar B
(2011)
A New and Improved Approach for Geological Dependency Evaluation for Multiple-Prospect Exploration.
Annual Technical Conference and Exhibition held in Denver;
2011-10-30 - 2011-11-02.
Bratvold, Reidar B; Koch, F.
(2011)
Game Theory in the Oil and Gas Industry.
The Way Ahead.
ISSN 2224-4522.
Volum 7.
Hefte 1.
s.18-20.
Rajaieyamchee, Mohammad; Bratvold, Reidar Brumer
(2010)
A Decision Analytic Framework for Autonomous Geosteering.
Society of Petroleum Engineers Annual Technical Conference and Exhibition;
2010-09-20 - 2010-09-22.
Rajaieyamchee, Mohammad; Bratvold, Reidar Brumer
(2010)
Bayesian Decision Networks for Optimal Placement of Horizontal Wells.
EUROPEC;
2010-06-14 - 2010-06-17.
Bratvold, Reidar Brumer
(2010)
Probabilistic Modelling for Decision Support in Drilling Operations.
Society of Petroleum Engineers Intelligent Energy Conference and Exhibition;
2010-03-23 - 2010-03-25.
Bratvold, Reidar Brumer; Begg, Steve
(2010)
A New Approach to Uncertainty Quantification for Decision Making.
SPE Economics and Evaluation Symposium;
2010-03-08 - 2010-03-09.
Willigers, B.J.A.; Bratvold, Reidar Brumer; Hausken, Kjell
(2009)
A Game Theoretic Approach to Conflicting and Evolving Stakeholder Preferences in the E&P Industry.
SPE Annual Technical Conference and Exhibition;
2009-10-04 - 2009-10-07.
Jafarizadeh, Babak; Bratvold, Reidar Brumer
(2009)
Taking Real Options into the Real World: Asset Valuation through Option Simulation.
SPE Annual Technical Conference and Exhibition;
2009-10-04 - 2009-10-07.
Rajaieyamchee, Mohammad; Bratvold, Reidar Brumer
(2009)
Real-time Decision Support in Drilling Operations using Bayesian Decision Networks.
SPE Annual Technical Conference and Exhibition;
2009-10-04.
Jafarizadeh, Babak; Bratvold, Reidar Brumer
(2009)
Real Options Analysis in Petroleum Exploration and Production: A New Paradigm in Investment Analysis.
SPE Europec/EAGE Annual Conference and Exhibition;
2009-06-08.
Jafarizadeh, Babak; Bratvold, Reidar Brumer
(2009)
Strategic Decision Making in the Digital Oil Field.
SPE Digital Energy Conference and Exhibition;
2009-04-07 - 2009-04-08.
Bratvold, Reidar Brumer; Sund, Knut Arne
(2008)
Integrated Operations: How Effective is the Current Relationship between Operating Companies and Suppliers?.
2008 SPE Intelligent Energy Conference and Exhibition;
2008-02-25 - 2008-02-27.
Begg, Steve; Bratvold, Reidar Brumer
(2008)
Systematic Prediction Errors in O&G Project and Portfolio Selection.
SPE Annual Technical Conference and Exhibition;
2008-09-21 - 2008-09-24.
Willigers, Bart J. A.; Bratvold, Reidar Brumer
(2008)
Valuing Oil and Gas Options by Least-Squares Monte Carlo Simulation.
SPE Annual Technical Conference and Exhibition;
2008-09-21 - 2008-09-24.
Fjellheim, Roar A.; Bratvold, Reidar Brumer; Herbert, MIke
(2008)
CODIO - Collaborative Decisionmaking in Integrated Operations.
2008 SPE Intelligent Energy Conference and Exhibition;
2008-02-25 - 2008-02-27.
Arild, Øystein; Lohne, Hans; Bratvold, Reidar Brumer
(2008)
A Monte Carlo Approach to Value of Information Evaluation.
International Petroleum Technology Conference;
2008-12-03 - 2008-12-05.
Welsh, Matthew; Begg, Steve; Bratvold, Reidar Brumer
(2007)
Efficacy of Bias Awareness in Debiasing Oil and Gas Judgments.
The 29th Annual Conference of the Cognitive Science Society;
2007-08-01 - 2007-08-04.
Bickel, J. Eric; Bratvold, Reidar Brumer
(2007)
Decision Making in the Oil and Gas Industry: From Blissful Ignorance to Uncertainty-Induced Confusion.
The 2007 SPE Annual Technical Conference;
2007-11-11 - 2007-11-14.
Bratvold, Reidar Brumer; Bickel, J. Eric; Lohne, Hans Petter
(2007)
Value of Information in the Oil and Gas Industry: Past, Present, and Future.
The 2007 SPE Annual Technical Conference;
2007-11-11 - 2007-11-14.
Welsh, Matthew; Bickel, J. Eric; Bratvold, Reidar Brumer
(2007)
Modeling the Economic Impact of Cognitive Biases on Oil and Gas Decisions.
The 2007 SPE Annual Technical Conference;
2007-11-11 - 2007-11-14.
Bratvold, Reidar Brumer
(2007)
Would You Know a Good Decision if You Saw One?.
Solstrand seminar on Oil and Economics 2007;
2007-09-20 - 2007-09-21.
Bratvold, Reidar Brumer
(2007)
Decision-making in the Oil & Gas Industry ? From Blissful Ignorance to Uncertainty Induced Confusion.
NTVA Seminar;
2007-11-01.
Bratvold, Reidar Brumer
(2006)
Investment Decisions, Systems Approach vs. Sequential Approach: Do Functional Dependencies And Interactions Matter?.
APPEA Journal.
ISSN 1326-4966.