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 | 67 | 2010 |
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 | 58 | 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 | 54 | 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, SPE-132989-MS, 2010 | 52 | 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 SPE/IADC Managed Pressure Drilling and Underbalanced Operations Conference …, 2007 | 36 | 2007 |
Real-time evaluation of kick during managed pressure drilling based on wired drill pipe telemetry JE Gravdal IPTC 2009: International Petroleum Technology Conference, cp-151-00302, 2009 | 30 | 2009 |
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 | 26 | 2008 |
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 | 26 | 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 | 26 | 2005 |
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 | 25 | 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 | 23 | 2019 |
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?, SPE-102842-MS, 2006 | 22 | 2006 |
Wemod for matlab user’s guide G Nygaard, J Gravdal International Research Institute of Stavanger AS (IRIS), Bergen, Norway …, 2007 | 17 | 2007 |
Automatic evaluation of near-well formation flow interaction during drilling operations JE Gravdal, HP Lohne, G Nygaard, EH Vefring, RW Time IPTC 2008: International Petroleum Technology Conference, cp-148-00124, 2008 | 13 | 2008 |
Automated kick control procedure for an influx in managed pressure drilling operations J Zhou, JE Gravdal, P Strand, S Hovland | 9 | 2016 |
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, D021S013R001, 2014 | 9 | 2014 |
A new approach to development and validation of artificial intelligence systems for drilling JE Gravdal, R Ewald, N Saadallah, S Moi, D Sui, R Shor 2020 15th IEEE Conference on Industrial Electronics and Applications (ICIEA …, 2020 | 6 | 2020 |
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, ... SPE/IADC Drilling Conference and Exhibition, D091S013R004, 2020 | 6 | 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. doi: https …, 2018 | 5 | 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 Norway Subsurface Conference?, SPE-169211-MS, 2014 | 5 | 2014 |