Reidar Brumer Bratvold

Professor

Reidar Brumer Bratvold

Contact

Telephone: 51832260

Email: reidar.bratvold@uis.no

Room: KE E-396

Department

Faculty of Science and Technology

Department of Energy Resources

Publications

Vitenskapelige publikasjoner

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.

DOI: 10.1016/j.jclepro.2024.140913

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.

DOI: 10.1190/geo2023-0576.1

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.

DOI: 10.1016/j.petrol.2022.111230

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.

DOI: 10.1109/ACCESS.2023.3320032

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.

DOI: 10.15530/urtec-2022-3722510

Nesvold, Erik; Bratvold, Reidar Brumer

(2022)

Debiasing probabilistic oil production forecasts.

Energy.

ISSN 0360-5442.

Volum 258.

s.1-14.

DOI: 10.1016/j.energy.2022.124744

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.

DOI: 10.1177/01445987211011784

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.

DOI: 10.1016/j.petrol.2020.108095

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.

DOI: 10.15530/urtec-2021-5385

Morosov, Andre Luis; Bratvold, Reidar Brumer

(2021)

Probability elicitation using geostatistics in hydrocarbon exploration.

Computational Geosciences.

ISSN 1420-0597.

DOI: 10.1007/s10596-021-10084-9

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.

DOI: 10.1016/j.petrol.2021.109473

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.

DOI: 10.1016/j.ptlrs.2021.05.006

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.

DOI: 10.1016/j.jngse.2021.104298

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.

DOI: 10.1016/j.acags.2021.100072

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.

DOI: 10.1287/deca.2021.0428

Jafarizadeh, Babak; Bratvold, Reidar Brumer

(2020)

The two-factor price process in optimal sequential exploration.

Journal of the Operational Research Society.

ISSN 0160-5682.

DOI: 10.1080/01605682.2020.1740619

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.

DOI: 10.1007/s13563-019-00188-1

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.

DOI: 10.1016/j.petrol.2019.106381

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.

DOI: 10.1016/j.petrol.2018.02.004

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.

DOI: 10.1016/j.petrol.2018.01.068

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.

DOI: 10.3997/2214-4609.201803140

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.

DOI: 10.3997/2214-4609.201700327

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.

DOI: 10.1007/s10596-017-9666-8

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.

DOI: 10.1016/j.petrol.2016.10.052

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

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.

DOI: 10.15377/2409-787X.2016.03.01.2

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.

DOI: 10.1080/0013791X.2015.1045647

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.

DOI: 10.9783/9780812206173.259

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

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.

DOI: 10.1016/j.petrol.2010.08.013

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.

Bøker og kapitler

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.

Formidling

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.

DOI: 10.1080/02813432.2022.2057028

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.