Jan Einar Gravdal
Jan Einar Gravdal
NORCE Norwegian Research Centre AS
Verified email at
Cited by
Cited by
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
Monitoring and control of drilling utilizing continuously updated process models
FP Iversen, E Cayeux, EW Dvergsnes, JE Gravdal, EH Vefring, ...
IADC/SPE Drilling Conference, 2006
Improved kick management during MPD by real-time pore-pressure estimation
JE Gravdal, M Nikolaou, Ø Breyholtz, LA Carlsen
SPE Drilling & Completion 25 (04), 577-584, 2010
Wired drill pipe telemetry enables real-time evaluation of kick during managed pressure drilling
JE Gravdal, RJ Lorentzen, RW Time
SPE Asia pacific oil and gas conference and exhibition, 2010
Automatic coordinated control of pump rates and choke valve for compensating pressure fluctuations during surge and swab operations
GH Nygaard, E Johannessen, J Einar Gravdal, F Iversen
IADC/SPE Managed Pressure Drilling & Underbalanced Operations, 2007
Real-time evaluation of kick during managed pressure drilling based on wired drill pipe telemetry
JE Gravdal
IPTC 2009, cp-151-00302, 2009
Performing the dynamic shut-in procedure because of a kick incident when using automatic coordinated control of pump rates and choke-valve opening
LA Carlsen, G Nygaard, JE Gravdal, M Nikolaou, J Schubert
SPE/IADC managed Pressure Drilling and Underbalanced Operations Conference …, 2008
Automatic calibration of real-time computer models in intelligent drilling control systems-results from a north sea field trial
HP Lohne, JE Gravdal, EW Dvergsnes, G Nygaard, EH Vefring
IPTC 2008: International Petroleum Technology Conference, cp-148-00219, 2008
Ultradeepwater hydraulics and well-control tests with extensive instrumentation: field tests and data analysis
R Rommetveit, KS Bjørkevoll, JE Gravdal, CJC Goncalves, ACVM Lage, ...
SPE Drilling & Completion 20 (04), 251-257, 2005
Feasibility study of managed-pressure drilling with automatic choke control in depleted hp/ht field
F Iversen, JE Gravdal, EW Dvergsnes, G Nygaard, H Gjeraldstveit, ...
SPE Annual Technical Conference and Exhibition, 2006
Kick detection and influx size estimation during offshore drilling operations using deep learning
AK Fjetland, J Zhou, D Abeyrathna, JE Gravdal
2019 14th IEEE Conference on Industrial Electronics and Applications (ICIEA …, 2019
OpenLab: Design and applications of a modern drilling digitalization infrastructure
N Saadallah, JE Gravdal, R Ewald, S Moi, A Ambrus, B Daireaux, ...
SPE Norway One Day Seminar, 2019
Wemod for matlab user’s guide
G Nygaard, J Gravdal
International Research Institute of Stavanger AS (IRIS), Bergen, Norway …, 2007
Automatic evaluation of near-well formation flow interaction during drilling operations
JE Gravdal, HP Lohne, GH Nygaard, EH Vefring, RW Time
International Petroleum Technology Conference, 2008
Automated kick control procedure for an influx in managed pressure drilling operations
J Zhou, JE Gravdal, P Strand, S Hovland
Principles and sensitivity analysis of automatic calibration of MPD methods based on dual-gradient drilling solutions
E Cayeux, B Daireaux, EW Dvergsnes, H Siahaan, JE Gravdal
SPE Deepwater Drilling and Completions Conference, 2014
Digitalization of Detailed Drilling Operation Plans and Verification of Automatic Progress Tracking with an Online Drilling Simulator Environment
P Farmanbar, O Revheim, AS Uberg, A Chekushev, E Cayeux, ...
IADC/SPE International Drilling Conference and Exhibition, 2020
Web Enabled High Fidelity Drilling Computer Model with User-Friendly Interface for Education, Research and Innovation
R Ewald, JE Gravdal, D Sui, R Shor
Proceedings of The 59th Conference on Simulation and Modelling (SIMS 59), 26 …, 2018
Back-Pressure MPD in Extended-Reach Wells-Limiting Factors for the Ability to Achieve Accurate Pressure Control
JE Gravdal, H Siahaan, KS Bjørkevoll
SPE Bergen One Day Seminar, 2014
Evaluation of Coordinated Control During Back Pressure MPD Operations
HB Siahaan, EH Vefring, M Nikolaou, JE Gravdal
SPE Bergen One Day Seminar, 2014
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