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2022
1 Mihai, Rodica G.; Cayeux, Eric; Carlsen, Liv; Ambrus, Adrian; Daireaux, Benoit; Vefring, Erlend.
Først i verden med autonom oljeboring. Teknisk Ukeblad 2022
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2021
2 Fanghol, Tor Arne; Vefring, Erlend.
175 pågående forsknings-prosjekter på olje og gass. Khrono [Avis] 2021-11-25
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2019
3 Alyaev, Sergey; Suter, Erich Christian; Bratvold, Reidar B; Vefring, Erlend; Jahani, Nazanin.
Ensemble-based Decision-Support Workflow for Operational Geosteering. Reservoir Characterization Conference; 2019-12-03 - 2019-12-04
NORCE NTNU Untitled
 
4 Suter, Erich Christian; Friis, Helmer Andre`; Kårstad, Terje Per; Escalona, Alejandro; Vefring, Erlend.
Novel Principles for Effective Earth Model Grid Management While Geosteering. SIAM Conference on Mathermatical & Computational Issures in the Geosciences (GS19); 2019-03-11 - 2019-03-14
NORCE UIS Untitled
 
5 Suter, Erich Christian; Kårstad, Terje Per; Escalona, Alejandro; Friis, Helmer Andre`; Vefring, Erlend.
Principles for a hierarchical earth model representation aiming towards fit-for-purpose grid resolution. 81st EAGE Conference and Exhibition 2019; 2019-06-03 - 2019-06-06
NORCE UIS Untitled
 
6 Suter, Erich Christian; Kårstad, Terje Per; Escalona Varela, Alejandro; Friis, Helmer Andre`; Vefring, Erlend.
Principles for a hierarchical earth model representation aiming towards fit-for-purpose grid resolution. I: 81th EAGE Annual Conference & Exhibition 2019. European Association of Geoscientists and Engineers (EAGE) 2019 ISBN 9781510888036. s. -
UIS NORCE Untitled
 
2018
7 Alyaev, Sergey; Bratvold, Reidar B; Luo, Xiaodong; Suter, Erich Christian; Vefring, Erlend.
An Interactive Decision Support System for Geosteering Operations. SPE Norway One Day Seminar; 2018-04-18
NORCE UIS Untitled
 
8 Alyaev, Sergey; Bratvold, Reidar B; Luo, Xiaodong; Suter, Erich Christian; Vefring, Erlend.
An Interactive Decision Support System for Geosteering Operations. I: SPE Norway One Day Seminar 2018. Society of Petroleum Engineers 2018 ISBN 978-1-61399-609-6. s. -
NORCE UIS Untitled
 
9 Alyaev, Sergey; Bratvold, Reidar B; Suter, Erich Christian; Evensen, Geir; Luo, Xiaodong; Vefring, Erlend.
Ensemble-based decision support system for geosteering. NFES Stavanger Monthly Technical Meeting; 2018-05-02
NERSC NORCE UIS Untitled
 
10 Alyaev, Sergey; Suter, Erich Christian; Bratvold, Reidar B; Vefring, Erlend; Jahani, Nazanin.
Ensemble-based Decision-support Workflow for Operational Geosteering. Second EAGE/SPE Geosteering and Well Placement Workshop; 2018-11-05 - 2018-11-08
NORCE UIS Untitled
 
11 Alyaev, Sergey; Suter, Erich Christian; Bratvold, Reidar Brumer; Vefring, Erlend; Jahani, Nazanin.
Ensemble-based decision-support workflow for operational geosteering. I: Second EAGE/SPE Geosteering and Well Placement Workshop. : SPE 2018 ISBN 978-94-6282-275-7.
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12 Suter, Erich Christian; Kårstad, Terje Per; Escalona Varela, Alejandro; Friis, Helmer Andre`; Vefring, Erlend; Alyaev, Sergey.
A Methodology for Effective Earth Model Management while Geosteering. Second EAGE/SPE Geosteering and Well Placement Workshop; 2018-11-05 - 2018-11-08
NORCE UIS Untitled
 
13 Suter, Erich Christian; Kårstad, Terje Per; Escalona Varela, Alejandro; Friis, Helmer Andre`; Vefring, Erlend; Alyaev, Sergey.
A Methodology for Effective Earth Model Management while Geosteering. I: Second EAGE/SPE Geosteering and Well Placement Workshop. : SPE 2018 ISBN 978-94-6282-275-7.
NORCE UIS Untitled
 
14 Vefring, Erlend.
Digital Well Delivery and New Opportunities. IRIS-CIPR: Team-building workshop; 2018-01-18 - 2018-01-18
NORCE Untitled
 
2017
15 Suter, Erich Christian; Alyaev, Sergey; Luo, Xiaodong; Romdhane, Anouar; Eliasson, Peder; Vefring, Erlend.
Proactive geosteering workflow for enhanced oil recovery. GEILO WINTER SCHOOLS IN ESCIENCE; 2017-01-15 - 2017-01-20
NORCE SINTEF Untitled
 
16 Suter, Erich Christian; Cayeux, Eric; Friis, Helmer Andre`; Kårstad, Terje Per; Escalona Varela, Alejandro; Vefring, Erlend.
A Novel Method for Locally Updating an Earth Model While Geosteering. International journal of geosciences 2017 ;Volum 8.(2) s. 237-264
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17 Suter, Erich Christian; Friis, Helmer Andre`; Kårstad, Terje Per; Escalona, Alejandro; Vefring, Erlend.
A Novel Method for Multi-Resolution Earth Model Gridding. SPE Reservoir Simulation Conference; 2017-02-20 - 2017-02-22
NORCE UIS Untitled
 
18 Suter, Erich Christian; Friis, Helmer Andre`; Vefring, Erlend; Kårstad, Terje Per; Escalona Varela, Alejandro.
A novel method for multi-resolution earth model gridding. I: SPE Reservoir Simulation Conference, 20-22 February, Montgomery, Texas, USA. Society of Petroleum Engineers 2017 ISBN 978-1-61399-483-2.
NORCE UIS Untitled
 
2016
19 Suter, Eric Christian; Kårstad, Terje Per; Escalona, Alejandro; Vefring, Erlend.
A method for locally adaptive gridding and local updates of the geological structure in earth models. IOR Norway 2016; 2016-04-27 - 2016-04-28
NORCE UIS Untitled
 
2015
20 Alyaev, Sergey; Luo, Xiaodong; Romdhane, Anouar; Eliasson, Peder; Suter, Eric Christian; Vefring, Erlend.
An ensemble-based workflow for proactive geosteering. DrillWell seminar; 2015-09-22 - 2015-09-23
NORCE SINTEF UiB Untitled
 
21 Chen, Yan; Lorentzen, Rolf; Vefring, Erlend.
Optimization of well trajectory under uncertainty for proactive geosteering. SPE Journal 2015 ;Volum 20.(2) s. 368-383
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22 Luo, Xiaodong; Eliasson, Peder; Alyaev, Sergey; Romdhane, Anouar; Suter, Eric Christian; Querendez, Etor; Vefring, Erlend.
Ensemble-based framework for proactive geosteering. I: Transactions of the SPWLA. Houston, Texas: Society of Petrophysicists and Well Log Analysts 2015 ISBN 0000000000000.
NORCE SINTEF UiB Untitled
 
23 Luo, Xiaodong; Eliasson, Peder; Alyaev, Sergey; Romdhane, Anouar; Suter, Erich Christian; Querendez, Etor; Vefring, Erlend.
Ensemble-based framework for proactive geosteering. SIAM Conference on Mathematical and Computational Issues in the Geosciences; 2015-06-29 - 2015-07-02
NORCE SINTEF UiB Untitled
 
24 Luo, Xiaodong; Eliasson, Peder; Alyaev, Sergey; Romdhane, Anouar; Suter, Erich Christian; Querendez, Etor; Vefring, Erlend.
Ensemble-based framework for proactive geosteering. SPWLA 56th Annual Symposium; 2015-07-18 - 2015-07-22
NORCE SINTEF UiB Untitled
 
2014
25 Chen, Yan; Luo, Xiaodong; Alyaev, Sergey; Vefring, Erlend.
Modelupdating for geosteering – fault detection and model error estimation. 14th European Conference on Mathematics of Oil Recovery (ECMOR XIV); 2014-09-08 - 2014-09-11
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26 Chen, Yan; Luo, Xiaodong; Alyaev, Sergey; Vefring, Erlend.
On Bias Correction for Parameter Estimation Problems with Applications to Model Updating for Geosteering. I: ECMOR XIV - Proceedings of 14th European Conference on the Mathematics of Oil Recovery, Catania, Italy, 8-11 September, 2014. European Association of Geoscientists and Engineers 2014 ISBN 978-90-73834-94-1.
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27 Siahaan, Hardy B; Vefring, Erlend; Nikolaou, Michael; Gravdal, Jan Einar.
Evaluation of Coordinated Control During Back- Pressure MPD Operations. SPE Bergen One Day Seminar 2014; 2014-04-02 - 2014-04-02
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28 Siahaan, Hardy B; Vefring, Erlend; Nikolaou, Michael; Gravdal, Jan Einar.
Evaluation of Coordinated Control During Back- Pressure MPD Operations. I: SPE Bergen One Day Seminar, Bergen, Norway, 2 April 2014 - Conference Proceedings. Society of Petroleum Engineers 2014 ISBN 978-1-61399-323-1.
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2012
29 Chen, Yan; Lorentzen, Rolf; Vefring, Erlend.
Optimization of Well Trajectory under Uncertainty for Proactive Geosteering. I: ECMOR XIII - 13th European Conference on the Mathematics of Oil Recovery, Biarritz, France, 10-13 September 2012. Extended Abstracts USB. European Association of Geoscientists and Engineers (EAGE) 2012 ISBN 978-90-73834-30-9.
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30 Suter, Eric Christian; Cayeux, Eric; Escalona, Alejandro; Kårstad, Terje; Vefring, Erlend.
A Strategy for effective local updates of the geological structure in an earth model during drilling. 74th EAGE Conference & Exhibition incorporating; 2012-06-04 - 2012-06-07
NORCE UIS Untitled
 
31 Suter, Eric Christian; Cayeux, Eric; Escalona, Alejandro; Kårstad, Terje; Vefring, Erlend.
A strategy for Effective Loccal Updates of the Geological Structure in an Earth Model during Drilling. I: 74th EAGE Conference & Exhibition incorporating SPE EUROPEC 2012. European Association of Geoscientists and Engineers 2012 ISBN 978-90-73834-27-9.
NORCE UIS Untitled
 
32 Zhou, Jing; Nygaard, G.; Vefring, Erlend.
Adaptive Feedback Control of Magnetic Suspension System Preceded by Bouc-Wen Hysteresis. IEEE Conference on Industrial Electronics and Applications 2012 s. 576-581
NORCE UIA Untitled
 
2010
33 Gravdal, Jan Einar; Lorentzen, Rolf; Fjelde, Kjell Kåre; Vefring, Erlend.
Tuning of Computer Model Parameters in Managed-Pressure Drilling Applications Using an Unscented-Kalman-Filter Technique. SPE Journal 2010 ;Volum 15.(3) s. 856-866
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34 Gravdal, Jan Einar; Lorentzen, Rolf Johan; Fjelde, Kjell Kåre; Vefring, Erlend.
Tuning of Computer Model Parameters in Managed Pressure Drilling Applications Using an Unscented Kalman Filter Technique. SPE Journal 2010 ;Volum 15.(3) s. 856-866
UIS NORCE Untitled
 
35 Zhou, Jing; Nygaard, Gerhard; Godhavn, John-Morten; Breyholtz, Øyvind; Vefring, Erlend.
Adaptive Observer for Kick Detection and Switched Control for Bottomhole Pressure Regulation and Kick Attenuation during Managed Pressure Drilling. American Control Conference (ACC) 2010 s. 3765-3770
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2008
36 Gravdal, Jan Einar; Lohne, Hans Petter; Nygaard, Gerhard; Vefring, Erlend; Time, Rune Wiggo.
Automatic Evaluation of Near-Well Formation and Flow Interaction during Drilling Operations. International Petroleum Technology Conference; 2008-12-03 - 2008-12-05
HVL NORCE UIS Untitled
 
37 Lohne, Hans Petter; Gravdal, Jan Einar; Dvergsnes, Erik Wolden; Nygaard, Gerhard; Vefring, Erlend.
Automatic Calibration of Real-Time Computer Models in Intelligent Drilling Control Systems – Result from a North Sea Field Trial. International Petroleum Technology Conference; 2008-12-03 - 2008-12-05
HVL NORCE UIS Untitled
 
2006
38 Iversen, Fionn; Cayeux, Eric; Dvergsnes, Erik Wolden; Gravdal, Jan Einar; Vefring, Erlend; Mykletun, Bjørn; Torsvoll, Arne; Omdal, Svein; Merlo, Antonino.
Monitoring and Control of Drilling Utilizing Continuously Updated Process Models. IADC/SPE Drilling Conference; 2006-02-21 - 2006-02-23
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2005
39 Nævdal, Geir; Johnsen, Liv Merete; Aanonsen, Sigurd; Vefring, Erlend Heggelund.
Reservoir monitoring and continuous model updating using ensemble Kalman filter. SPE Journal 2005 ;Volum 10.(1) s. 66-74
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1999
40 Lage, Antonio Carlos; Nakagawa, Edson Y.; Time, Rune W.; Rommetveit, Rolv; Vefring, Erlend.
Full-Scale Experimental Study for Better Understanding of Transient Phenomena in Underbalanced Drilling Operations. SPE/IADC; 1999-03-09 - 1999-03-11
NORCE UIS Untitled
 
1989
41 Vefring, Erlend Heggelund.
Nonlinear Propagation and Interaction of Collinear Sound Beams. Report No.86 October 1989. : Universitetet i Bergen, matematisk institutt 1989
UiB Untitled
 
42 Vefring, Erlend Heggelund.
Nonlinear propagation and interaction of collinear sound beams. Universitetet i Bergen 1989
UiB Untitled
 
1986
43 Berntsen, Jarle; Vefring, Erlend Heggelund.
Numerical computation of a finite amplitude sound beam. : UiB-MatNat: Matematisk institutt 1986 Reports Published by the Department of Applied Mathematics(81)
UiB Untitled
 
44 Vefring, Erlend Heggelund.
Lydfeltet fra en parametrisk antenne med høy intensitet. Universitetet i Bergen 1986
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