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Erlend Vefring
Erlend Vefring
Vice President NORCE
Verified email at norceresearch.no
Title
Cited by
Cited by
Year
Reservoir monitoring and continuous model updating using ensemble Kalman filter
G Nævdal, LM Johnsen, SI Aanonsen, EH Vefring
SPE journal 10 (01), 66-74, 2005
5502005
Near-well reservoir monitoring through ensemble Kalman filter
N Geir, T Mannseth, EH Vefring
SPE Improved Oil Recovery Conference?, SPE-75235-MS, 2002
2842002
Improved reservoir management through optimal control and continuous model updating
DR Brouwer, G Nœvdal, JD Jansen, EH Vefring, CV Kruijsdijk
SPE Annual Technical Conference and Exhibition?, SPE-90149-MS, 2004
2262004
Effects of focusing on the nonlinear interaction between two collinear finite amplitude sound beams
JN Tjo/tta, S Tjo/tta, EH Vefring
The Journal of the Acoustical Society of America 89 (3), 1017-1027, 1991
1471991
A new approach for dynamic optimization of waterflooding problems
RJ Lorentzen, AM Berg, G Naevdal, EH Vefring
SPE Intelligent Energy International Conference and Exhibition, SPE-99690-MS, 2006
1422006
Underbalanced and low-head drilling operations: Real time interpretation of measured data and operational support
RJ Lorentzen, KK Fjelde, J Frøyen, ACVM Lage, G Nævdal, EH Vefring
SPE Annual Technical Conference and Exhibition?, SPE-71384-MS, 2001
1012001
Propagation and interaction of two collinear finite amplitude sound beams
J Naze Tjo/tta, S Tjo/tta, EH Vefring
The Journal of the Acoustical Society of America 88 (6), 2859-2870, 1990
931990
Tuning of computer model parameters in managed-pressure drilling applications using an unscented-kalman-filter technique
JE Gravdal, RJ Lorentzen, KK Fjelde, EH Vefring
SPE Journal 15 (03), 856-866, 2010
662010
Underbalanced drilling: Real time data interpretation and decision support
RJ Lorentzen, KK Fjelde, J Frøyen, ACVM Lage, G Nævdal, EH Vefring
SPE/IADC Drilling Conference and Exhibition, SPE-67693-MS, 2001
602001
Comparison of results from an advanced gas kick simulator with surface and downhole data from full scale gas kick experiments in an inclined well
R Rommetveit, EH Vefring
SPE Annual Technical Conference and Exhibition?, SPE-22558-MS, 1991
601991
Monitoring and control of drilling utilizing continuously updated process models
FP Iversen, E Cayeux, EW Dvergsnes, JE Gravdal, EH Vefring, ...
SPE/IADC Drilling Conference and Exhibition, SPE-99207-MS, 2006
572006
Adaptive observer for kick detection and switched control for bottomhole pressure regulation and kick attenuation during managed pressure drilling
J Zhou, G Nygaard, JM Godhavn, Ø Breyholtz, EH Vefring
Proceedings of the 2010 American Control Conference, 3765-3770, 2010
522010
Reservoir characterization during underbalanced drilling (UBD): Methodology and active tests
EH Vefring, G Nygaard, RJ Lorentzen, G Naevdal, KK Fjelde
SPE Journal 11 (02), 181-192, 2006
502006
Optimization of well trajectory under uncertainty for proactive geosteering
Y Chen, RJ Lorentzen, EH Vefring
SPE Journal 20 (02), 368-383, 2015
452015
Reservoir characterization during underbalanced drilling: Methodology, accuracy, and necessary data
EH Vefring, G Nygaard, KK Fjelde, RJ Lorentzen, G Nævdal, A Merlo
SPE Annual Technical Conference and Exhibition?, SPE-77530-MS, 2002
442002
A dynamic model for underbalanced drilling with coiled tubing
R Rommetveit, EH Vefring, Z Wang, R RF-Rogaland, T Bieseman, ...
SPE/IADC Drilling Conference and Exhibition, SPE-29363-MS, 1995
401995
Optimization of displacement efficiency during primary cementing
EH Vefring, KS Bjorkevoll, SA Hansen, N Sterri, O Saevareid, B Aas, ...
SPE Latin America and Caribbean Petroleum Engineering Conference, SPE-39009-MS, 1997
391997
Reservoir characterization during ubd: Methodology and active tests
EH Vefring, G Nygaard, RJ Lorentzen, G Nævdal, KK Fjelde
SPE/IADC Managed Pressure Drilling and Underbalanced Operations Conference …, 2003
362003
An advanced kick simulator for high angle and horizontal wells-part I
EH Vefring, Z Wang, S Gaard, GF Bach
SPE/IADC Drilling Conference and Exhibition, SPE-29345-MS, 1995
351995
Bottomhole pressure control during drilling operations in gas-dominant wells
GH Nygaard, EH Vefring, KK Fjelde, G Nævdal, RJ Lorentzen, ...
SPE Journal 12 (01), 49-61, 2007
322007
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