2021

Field Development Optimization Using Sequential Decisions and Analytics

Morosov. A.L. and Bratvold. R.B.

SPE EUROPEC at the 82nd EAGE Conference & Exhibition; 2021-10-18 – 2021-10-21

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

Tadjer. A., Alyaev. S., Miner. D., Kuvaev. I. and Bratvold. R.B.

Presented at Unconventional Resources Technology Conference; DOI: 10.15530/urtec-2021-5385

Systematic Decisions Under Uncertainty: An Experiment towards Better Geosteering Operations

Alyaev. S., Holsaeter. A., Bratvold. R.B., Ivanova. S. and Bendiksen. M.

In SPE/IADC International Drilling Conference and Exhibition; OnePetro.

2020

An Interactive Sequential-Decision Benchmark from Geosteering

Alyaev. S., Bratvold. R.B., Ivanova. S., Holsaeter. A. and Bendiksen. M.

arXiv:2011.00733

2019

Production Forecasts: Optimistic and Overconfident – Over and Over Again

Bratvold. R.B., Mohus. E., Petutschnig. D. and Bickel. J.E.

Paper SPE-195914 at SPE ATCE Calgary, Canada; 30 September – 2 October 2019

2018

Offshore Exploratory Drilling Campaigns During Oil Price Downturns: Maximizing Value Creation from Flexibility

Cardenas. C., Bratvold. R.B. and Jafarizadeh. B.

Presented at SPE/EUROPEC Copenhagen; SPE-190810-MS

An Interactive Decision Support System for Geosteering Operations

Alyaev. S., Bratvold. R.B., Luo. X., Suter. E. and Vefring. E.H.

Paper SPE-191337 at SPE Norway One Day Seminar, Bergen; 18 April 2018

2017

Integrating Model Uncertainty in Probabilistic Decline Curve Analysis for Unconventional Oil Production

Hong. A.J., Bratvold. R.B. and Lake. L.W.

Presented at SPE Workshop: Petroleum Economics—Optimisation versus Growth in Uncertain Times; 27–28 September 2017, Dubai, UAE.

2016

Maximising the Value of Unconventional Reservoirs by Choosing the Optimal Appraisal Strategy

Willigers. B.J.A., Bratvold. R.B. and Bickel. J.E.

SPE Reservoir Evaluation & Engineering-Formation Evaluation

2015

A Real Options Approach to the Gas Blowdown Decision

Bratvold. R.B. and Thomas. P.

Paper SPE-174868174868 to be presented at the SPE Annual Technical Conference and Exhibition, Houston, Texas, 26 September - 30 September.

2014

Robust Discretization of Continuous Probability Distributions for Value-of-Information Analyses

Thomas. P., Bratvold. R.B. and Begg. S.H.

Paper IPTC 17975 presented at the 8th International Petroleum Technology Conference.

Uncertainty vs. Variability: What's the Difference and Why is it Important?

Begg. S.H., Bratvold. R.B. and Welsh. M.B.

Paper SPE 169850 presented at the SPE Hydrocarbon Economics and Evaluation Symposium held in Houston, Texas, USA, 19–20 May 2014.

Value Creation with Multi-Criteria Decision Making in Geosteering Operations

Kullawan. K., Bratvold. R.B. and Bickel. J.E.

Paper SPE 169849 presented at the SPE Hydrocarbon Economics and Evaluation Symposium held in Houston, Texas, USA, 19–20 May 2014.

2013

A Decision Analytic Approach to Geosteering Operations

Kullawan. K., Bratvold. R.B. and Bickel. J.E.

Paper SPE 167433 presented at the SPE Middle East Intelligent Energy Conference and Exhibition, Dubai, UAE, 28 - 30 October.

The Risk of Using Risk Matrices

Thomas. P., Bratvold. R.B. and Bickel. J.E.

Paper SPE 166269 presented at the SPE Annual Technical Conference and Exhibition, New Orleans, Louisiana, 30 September - 2 October.

Combining Geostatistics With Bayesian Updating to Continually Optimize Drilling Strategy in Shale Gas Plays

Willigers. B.J.A., Begg. S.H. and Bratvold. R.B.

Paper SPE 164816 presented at the EAEG Annual Conference and Exhibition, London, United Kingdom, 10–13 June.

2011

A New and Improved Approach for Geological Dependency Evaluation for Multiple-Prospect Exploration

Bratvold. R.B. and Rasheva. S.

Paper SPE 147062 to be presented at the SPE ATCE held in Denver, CO, USA, 30 Nov. – 2 Dec.

2010

A New Approach to Uncertainty Quantification for Decision Making

Bratvold. R.B., Begg. S.H. and Rasheva. S.

Paper SPE 130157 presented at the SPE Economics and Evaluation Symposium held in Dallas, Texas, USA, 8–9 March.

Probabilistic Modelling for Decision Support in Drilling Operations

Giese. M. and Bratvold. R.B.

Paper SPE 127761 to be presented at the SPE Intelligent Energy Conference and Exhibition, Utrecht, The Netherlands, 23–25 March.

A Decision Analytic Framework for Autonomous Geosteering

Rajaieyamchee. M.A. and Bratvold. R.B.

Rajaieyamchee. M.A., Bratvold. R.B.,
SPE 135416, Annual Technical Conference and Exhibition (ATCE), Florence, Italy.

Bayesian Decision Networks for Optimal Placement of Horizontal Wells

Rajaieyamchee. M.A., Bratvold. R.B. and Bedreddine. A.

SPE 129984, EUROPEC, Barcelona, Spain, 2010.

2009

A Game Theoretic Approach to Conflicting and Evolving Stakeholder Preferences in the E&P Industry

Willigers. B.J.A., Bratvold. R.B. and Hausken. K.

Paper SPE 124178 to be presented at the SPE Annual Technical Conference and Exhibition, New Orleans, Louisiana, 4-7 October.

Taking Real Options into the Real World: Asset Valuation through Option Simulation

Jafarizadeh. B. and Bratvold. R.B.

Paper SPE 124488 to be presented at the SPE Annual Technical Conference and Exhibition, New Orleans, Louisiana, 4-7 October.

Real-time Decision Support in Drilling Operations using Bayesian Decision Networks

Rajaieyamchee. M.A. and Bratvold. R.B.

Paper SPE 124247 to be presented at the SPE Annual Technical Conference and Exhibition, New Orleans, Louisiana, 4-7 October.

Real Options Analysis in Petroleum Exploration and Production: A New Paradigm in Investment Analysis

Jafarizadeh. B. and Bratvold. R.B.

Paper SPE 121426 presented at the SPE Europec/EAGE Annual Conference and Exhibition, Amsterdam, The Netherlands, 8-11 June.

Strategic Decision Making in the Digital Oil Field

Jafarizadeh. B. and Bratvold. R.B.

Paper SPE 123213 presented at the SPE Digital Energy Conference and Exhibition, Houston, Texas, 7-8 April.

2008

A Monte Carlo Approach to Value of Information Evaluation

Arild. Ø., Lohne. H.P. and Bratvold. R.B.

Paper SPE IPTC 11969 presented at the International Petroleum Technology Conference, Kuala Lumpur, Malaysia, 3-5 December.

Systematic Prediction Errors in O&G Project and Portfolio Selection

Begg. S.H. and Bratvold. R.B.

Paper SPE 116525 presented at the SPE Annual Technical Conference and Exhibition, Denver, Colorado, 21-24 September.

Valuing Oil and Gas Options by Least-Squares Monte Carlo Simulation

Willigers. B.J.A. and Bratvold. R.B.

Paper SPE 116026 presented at the SPE Annual Technical Conference and Exhibition, Denver, Colorado, 21-24 September.

CODIO - Collaborative Decision-Making in Integrated Operations

Fjellheim. R.A., Bratvold. R.B. and Herbert. M.C.

Paper SPE 111876 presented at the SPE Intelligent Energy Conference and Exhibition, Amsterdam, The Netherlands, 25–27 February.

Integrated Operations: How Effective is the Current Relationship between Operating Companies and Suppliers?

Sund. K.A. and Bratvold. R.B.

Paper SPE 112180 presented at the SPE Intelligent Energy Conference and Exhibition, Amsterdam, The Netherlands, 25–27 February.

2007

Value of Information: The Past, Present, and Future

Bratvold. R.B. and Lohne. H.P.

Paper SPE 110378 presented at the SPE Annual Technical Conference and Exhibition, Anaheim, California, 11-14 November.

The impact of common biases on the value of O&G investment decisions

Begg. S.H., Welsh. M.B. and Bratvold. R.B.

Paper SPE 109610 presented at the SPE Annual Technical Conference and Exhibition, Anaheim, California, 11-14 November 2007.

Decision Making in the Oil & Gas Industry: From Blissful Ignorance to Uncertainty - Induced Confusion

Bratvold. R.B.

Paper SPE 109610 presented at the SPE Annual Technical Conference and Exhibition, Anaheim, California, 11-14 November 2007.

Efficacy of bias awareness in debiasing oil and gas judgments

Welsh. M.B., Begg. S.H. and Bratvold. R.B.

Proceedings of the 29th Annual Conference of the Cognitive Science Society, p. 1617–1652.

The impact of common biases on the value of O&G investment decisions

Welsh. M.B., Begg. S.H. and Bratvold. R.B.

Paper SPE 110765 presented at the SPE Annual Technical Conference and Exhibition, Anaheim, CA, 11-14 November.

Modeling the Economic Impact of Cognitive Biases on Oil and Gas Decisions

Welsh. M.B., Begg. S.H. and Bratvold. R.B.

Paper SPE 110765 presented at the SPE Annual Technical Conference and Exhibition, Anaheim, CA, 11-14 November.

2006

Education for the Real World: Equipping Petroleum Engineers to Manage Uncertainty

Bratvold. R.B. and Begg. S.H.

Paper SPE 103339 presented at the SPE Annual Technical Conference and Exhibition, San Antonio, Texas, 24-27 September.

Correcting Common Errors in Probabilistic Evaluations: Efficacy of Debiasing

Welsh. M.B., Begg. S.H. and Bratvold. R.B.

Paper SPE 102188 presented at the SPE Annual Technical Conference and Exhibition, San Antonio.

Case Studies for Comparison of Different Real Option Approaches

Yao. Y., Begg. S.H., Bratvold. R.B., Behrenbruch. P. and van der Hoek. J.

Paper SPE 101031 presented at the SPE Asia Pacific Oil and Gas Conference and Exhibition, Adelaide, Australia, September 11–13.

2005

A Critical Comparison of Real Option Valuation Methods: Assumptions, Applicability, Mechanics, and Recommendations

Bratvold. R.B., Laughton. D.G., Enloe. T. and Begg. S.H.

Paper SPE 97011 presented at the SPE Annual Technical Conference and Exhibition, Dallas, TX, 9-12 October.

Cognitive Biases in the Petroleum Industry: Impact and Remediation

Welsh. M.B., Bratvold. R.B. and Begg. S.H.

Paper SPE 96423 presented at the SPE Annual Technical Conference and Exhibition, Dallas, TX, 9-12 October.

2004

Abandonment Decision and the Value of Flexibility

Begg. S.H., Bratvold. R.B. and Campbell. J.M.

Paper SPE 91131 presented at the SPE Annual Technical Conference and Exhibition, Houston, TX, September 26–29.

Development as the Continuation of Appraisal by Other Means

Laughton. D.G., Begg. S.H., Bratvold. R.B. and Campbell. J.M.

Paper SPE 90155 presented at the SPE Annual Technical Conference and Exhibition, Houston, TX, September 26–29.

Problems with the Elicitation of Uncertainty

Welsh. M.B., Begg. S.H. and Bratvold. R.B.

Paper SPE 90338 presented at the SPE Annual Technical Conference and Exhibition, Houston, TX, September 26–29.

2003

Decision Making under Uncertainty

Begg. S.H., Bratvold. R.B. and Campbell. J.F.

Paper SPE June presented at the 7th International Forum on Reservoir Simulation, Bühl/Baden-Baden, Germany, June.

Shrinks or Quants: Who will improve decision-making

Begg. S.H., Bratvold. R.B. and Campbell. J.F.

Paper SPE 84238 presented at the SPE Annual Technical Conference and Exhibition, Denver, CO, 5–8 October.

Even Optimists Should Optimize

Bratvold. R.B., Begg. S.H. and Campbell. J.F.

Paper SPE 84329 presented at the SPE Annual Technical Conference and Exhibition, Denver, CO, 5–8 October.

Portfolio Optimization: Living Up to Expectations

Campbell. J.F., Bratvold. R.B. and Begg. S.H.

Paper SPE 82005 presented at the SPE Hydrocarbon Economics and Evaluation Symposium, Dallas, TX, 5–8 April.

The Joint Management of Appraisal, Development and Production in a Two-block Offshore Oil Field: A Real Options Analysis

Laughton. D.G., Begg. S.H., Bratvold. R.B., Campbell. J.F. and Deutsch. C.V.

Paper SPE 82035 presented at the SPE Hydrocarbon Economics and Evaluation Symposium, Dallas, TX, 5–8 April.

2002

The Value of Flexibility in Managing Uncertainty in Oil and Gas Investments

Bratvold. R.B.

Paper SPE 77586 presented at the SPE Annual Technical Conference and Exhibition, San Antonio, Texas, 29 September–02 October.

Would You Know a Good Decision if You Saw One?

Bratvold. R.B., Begg. S.H. and Campbell. J.M.

Paper SPE 77509 presented at the SPE Annual Technical Conference and Exhibition, San Antonio, TX, September 29–October 2.

2001

Improving Investment Decisions using A Stochastic Integrated Asset Model

Begg. S.H., Bratvold. R.B. and Campbell. J.F.

Paper SPE 71414 presented at the SPE Annual Technical Conference and Exhibition, New Orleans, LA, 30 September–03 October.

1993

Parallel Nested Factorization Algorithms

Maksimov. M.M., Galushko. V.V., Kutcherov. A.B., Surguchev. L.M. and Bratvold. R.B.

Paper SPE 25242 presented at the 12th SPE Symposium on Reservoir Simulation, New Orleans, LA, 28 February–3 March.

1992

Reservoir Characterization and Modeling Supported by Expert Knowledge System

Surguchev. L.M., Zolothukin. A.B. and Bratvold. R.B.

Paper SPE 24279 presented at the SPE European Petroleum Computer Conference, Stavanger, Norway, 25–27 May.

1990

Application of Advanced Workstations to Reservoir Simulation

Bratvold. R.B., Horne. R.N. and Rugland. T.

Paper SPE 20364 presented at the SPE Petroleum Computer Conference, Denver, CO, 25–28 June.

1989

Effects of Linear Boundaries on Pressure-Transient Injection and Falloff Data

Bratvold. R.B. and Larsen. L.

Paper SPE 19830 presented at the SPE Annual Technical Conference and Exhibition, San Antonio, Texas, 8–11 October.