1. Karimi Vajargah, A., Sullivan, G., & Oort, E. van. (2016, September 14). Automated Fluid Rheology and ECD Management. Society of Petroleum Engineers. doi:10.2118/180331-MS
  2. Wu, Q., Nair, S., Shuck, M., Oort, E. van, Guzik, A., & Kishida, K. (2016, September 14). Advanced Distributed Fiber Optic Sensors for Monitoring Poor Zonal Isolation with Hydrocarbon Migration in Cemented Annuli. Society of Petroleum Engineers. doi:10.2118/180329-MS
  3. Pournazari, P., Adams, D., Ashok, P., Oort, E. van, & Holliday, K. (2016, September 14). Real-Time Health Monitoring of Top Drives for Offshore Operations Using Physics Based Models and New Sensor Technology. Society of Petroleum Engineers. doi:10.2118/180356-MS
  4. Pournazari, P., Ashok, P., van Oort, E., Unrau, S., & Lai, S. (2015, September 15). Enhanced Kick Detection with Low-Cost Rig Sensors Through Automated Pattern Recognition and Real-Time Sensor Calibration. Society of Petroleum Engineers. doi:10.2118/176790-MS
  5. Pournazari, P., Ashok, P., & van Oort, E. (2015, October). Modeling and Control of Automated Pipe Hoisting in Oil and Gas Well Construction. In ASME 2015 Dynamic Systems and Control Conference (pp. V002T20A004-V002T20A004). American Society of Mechanical Engineers.
  6. Ambrus, A., Aarsnes, U. J. F., Karimi Vajargah, A., Akbari, B., & Oort, E. van. (2015, December 6). A Simplified Transient Multi-Phase Model for Automated Well Control Applications. International Petroleum Technology Conference. doi:10.2523/IPTC-18481-MS
  7. Aarsnes, U. J. F., Ambrus A., Karimi Vajargah, A., Aamo, O. M. and van Oort, E. 2015. A Simplified Gas-Liquid Flow Model for Kick Mitigation and Control During Drilling Operations. Proceedings of the ASME 2015 Dynamic Systems and Control Conference.
  8. Ulf Jakob F. Aarsnes, Adrian Ambrus, Florent Di Meglio, Ali Karimi Vajargah, Ole Morten Aamo, Eric van Oort. A simplified two-phase flow model using a quasi-equilibrium momentum balance. International Journal of Multiphase Flow, Volume 83, July 2016, Pages 77-85.
  9. Adrian Ambrus, Ulf Jakob Flø Aarsnes, Ali Karimi Vajargah, Babak Akbari, Eric van Oort, Ole Morten Aamo. Real-time estimation of reservoir influx rate and pore pressure using a simplified transient two-phase flow model. Journal of Natural Gas Science and Engineering, Volume 32, May 2016, Pages 439-452.
  10. Karimi Vajargah, A., van Oort, E. Early kick detection and well control decision-making for managed pressure drilling automation. Journal of Natural Gas Science and Engineering, Volume 27, Part 1, November 2015, Pages 354-366.
  11. Karimi Vajargah, A. and van Oort, E. Determination of drilling fluid rheology under downhole conditions by using real-time distributed pressure data. Journal of Natural Gas Science and Engineering, Volume 24, May 2015, Pages 400-411.
  12. Ambrus, A., Pournazari, P., Ashok, P., Shor, R. and van Oort, E. “Overcoming Barriers to Adoption of Drilling Automation:  Moving Towards Automated Well Manufacturing”, SPE/IADC 173164, 2015 SPE/IADC Drilling Conference, London
  13. Karimi Vajargah, A., & van Oort, E. (2015, March 17). Automated Drilling Fluid Rheology Characterization with Downhole Pressure Sensor Data. Society of Petroleum Engineers. doi:10.2118/173085-MS
  14. Karimi Vajargah, A., van Oort, E. Early kick detection and well control decision-making for managed pressure drilling automation. Journal of Natural Gas Science and Engineering, Volume 27, Part 1, November 2015, Pages 354-366.
  15. Baumgartner, T. and van Oort, E., “Pure and Coupled Drill String Vibration Pattern Recognition in High Frequency Downhole Data”, paper SPE 170955, SPE Annual Technical Conference & Exhibition, Amsterdam, 27-29 Oct., 2014
  16. Karimi Vajargah, A., Hoxha, B. B., & van Oort, E. (2014, September 10). Automated Well Control Decision-Making during Managed Pressure Drilling Operations. Society of Petroleum Engineers. doi:10.2118/170324-MS
  17. Carter, K.M. and van Oort, E.: “Improved Regulatory Oversight using Real-Time Data Monitoring Technologies in the Wake of Macondo” paper SPE 170323, SPE Deepwater Conference, Galveston, Sept. 10-11,  2014
  18. Harris, M.W., Acikmese, B, and van Oort, E.: “LMI Based Control of Stick-Slip Oscillations in Drilling” paper ASME DSCC 2014
  19. Shor, R.J., Pryor, M. and van Oort, E. “Drillstring Vibration Observation, Modeling and Prevention in the Oil and Gas Industry”, paper ASME DSCC-6147 2014
  20. Ambrus, A., Ashok, P. and van Oort, E.: “Drilling Rig Sensor Data Validation in the Presence of Real-Time Process Variations”, paper SPE 166387 presented at the 2013 SPE ATCE Conference, New Orleans, LA
  21. Congora, C., Awan, O., Mota, J. and van Oort, E.:  Drilling Unconventional Shale Wells Remotely, paper SPE 163526 presented at the 2013 SPE/IADC Drilling Conference held in Amsterdam, The Netherlands, 5-7 March 2013
  22. Ambrus, A., Ashok, P and van Oort, E.: Automatic Sensor Data Validation: Improving the Quality and Reliability of Rig Data, paper SPE 163726 presented at the 2013 SPE Digital Energy Conference and Exhibition held in The Woodlands, Texas, USA, 5–7 March 2013.
  23. Boddiford, A., Chheda, D., Hammel, C., Ashok, p., Tesar, D., “Autonomous Robotic System for Pin Pulling Operation in Rail Yard”, ASME 2015 International Design Engineering Technical Conference, Boston, USA
  24. Krishnamoorthy, G., Ashok, P., Tesar, D., “Simultaneous Sensor & Process Fault Management in Multi Input Multi Output Systems”, IEEE Systems Journal, June, 2015.
  25. Ashok, P.; Tesar, D., "The Need for a Performance Map Based Decision Process," Systems Journal, IEEE , vol.7, no.4, pp.616,631, Dec. 2013
  26. Ashok, P., Krishnamoorthy, G., Tesar, D., “Efficient Management of Information in Multi-Sensored Cyber Physical Systems”, Journal of Sensors, Volume 2011, Article ID 321709, 15 pages, Nov 2011
  27. Ashok, P., Tesar, D., “A Visualization Framework for Real Time Decision Making in a Multi-Input Multi-Output System”, IEEE Systems Journal, Vol. 2, Issue 1, pp. 129-145, March 2008.