Critical evaluation of the indentation data analyses methods for the extraction of isotropic uniaxial mechanical properties using finite element models BR Donohue, A Ambrus, SR Kalidindi Acta Materialia 60 (9), 3943-3952, 2012 | 104 | 2012 |
Real-time estimation of reservoir influx rate and pore pressure using a simplified transient two-phase flow model A Ambrus, UJF Aarsnes, AK Vajargah, B Akbari, E van Oort, OM Aamo Journal of Natural Gas Science and Engineering 32, 439-452, 2016 | 50 | 2016 |
A simplified two-phase flow model using a quasi-equilibrium momentum balance UJF Aarsnes, A Ambrus, F Di Meglio, AK Vajargah, OM Aamo, E van Oort International Journal of Multiphase Flow 83, 77-85, 2016 | 48 | 2016 |
Multi-phase well control analysis during managed pressure drilling operations Z Ma, AK Vajargah, A Ambrus, P Ashok, D Chen, E Van Oort, R May, ... SPE Annual Technical Conference and Exhibition?, D031S050R001, 2016 | 35 | 2016 |
Robust controller design for automated kick handling in managed pressure drilling UJF Aarsnes, B Açıkmeşe, A Ambrus, OM Aamo Journal of Process Control 47, 46-57, 2016 | 32 | 2016 |
A simplified transient multi-phase model for automated well control applications A Ambrus, UJF Aarsnes, AK Vajargah, B Akbari, E Oort International petroleum technology conference, D041S059R001, 2015 | 32 | 2015 |
A simplified gas-liquid flow model for kick mitigation and control during drilling operations UJF Aarsnes, A Ambrus, A Karimi Vajargah, OM Aamo, E Van Oort Dynamic Systems and Control Conference 57250, V002T20A002, 2015 | 30 | 2015 |
OpenLab: Design and applications of a modern drilling digitalization infrastructure N Saadallah, JE Gravdal, R Ewald, S Moi, A Ambrus, B Daireaux, ... SPE Norway Subsurface Conference?, D011S002R002, 2019 | 28 | 2019 |
Drilling rig sensor data validation in the presence of real-time process variations A Ambrus, P Ashok, E van Oort SPE Annual Technical Conference and Exhibition?, D021S012R001, 2013 | 26 | 2013 |
A Novel Probabilistic Rig Based Drilling Optimization Index to Improve Drilling Performance A Ambrus, P Ashok, A Chintapalli, D Ramos, M Behounek, TS Thetford, ... SPE Offshore Europe Conference and Exhibition, D011S001R002, 2017 | 21 | 2017 |
Automatic sensor data validation: Improving the quality and reliability of rig data P Ashok, A Ambrus, E van Oort SPE Digital Energy Conference and Exhibition, SPE-163726-MS, 2013 | 21 | 2013 |
Analysis of torsional stick-slip situations from recorded downhole rotational speed measurements E Cayeux, A Ambrus, L Øy, A Helleland, ST Brundtland, H Nevøy, ... SPE Drilling & Completion 36 (03), 560-574, 2021 | 20 | 2021 |
A step by step approach to improving data quality in drilling operations: Field trials in north america P Ashok, A Ambrus, D Ramos, J Lutteringer, M Behounek, YL Yang, ... SPE Intelligent Energy International Conference and Exhibition, SPE-181076-MS, 2016 | 19 | 2016 |
Autonomous Decision-Making While Drilling E Cayeux, B Daireaux, A Ambrus, R Mihai, L Carlsen Energies 14 (4), 969, 2021 | 18 | 2021 |
From shallow horizontal drilling to ERD wells: How scale affects drillability and the management of drilling incidents E Cayeux, R Shor, A Ambrus, P Pournazari, P Ashok, E van Oort Journal of Petroleum Science and Engineering 160, 91-105, 2018 | 18 | 2018 |
Overcoming barriers to adoption of drilling automation: Moving towards automated well manufacturing A Ambrus, P Pournazari, P Ashok, R Shor, E van Oort SPE/IADC Drilling Conference and Exhibition, D021S010R002, 2015 | 18 | 2015 |
A switching MPD controller for mitigating riser gas unloading events in offshore drilling Q Gu, AH Fallah, A Ambrus, Z Ma, D Chen, P Ashok, E van Oort SPE Drilling & Completion 35 (02), 201-217, 2020 | 17 | 2020 |
Implementation of a fully automated real-time torque and drag model for improving drilling performance: case study M Shahri, T Wilson, T Thetford, B Nelson, M Behounek, A Ambrus, ... SPE Annual Technical Conference and Exhibition?, D021S009R004, 2018 | 17 | 2018 |
Self-learning probabilistic detection and alerting of drillstring washout and pump failure incidents during drilling operations A Ambrus, P Ashok, D Ramos, A Chintapalli, A Susich, T Thetford, ... SPE/IADC Drilling Conference and Exhibition, D021S008R001, 2018 | 17 | 2018 |
Gas in riser: On modeling gas influxes in non-aqueous drilling fluids with time-dependent desorption considerations N Nwaka, C Wei, A Ambrus, Y Chen Journal of Petroleum Science and Engineering 195, 107785, 2020 | 16 | 2020 |