Cover
Vol. 20 No. 2 (2020)

Published: March 31, 2020

Pages: 48-59

Original Article

Studying the Effect of Perforation Parameters on Vertical Well Performance

Haider Sami Mohammed 1 Emad Abdullah Khazal 1 Hussein Sadeq Sultan 1
1 Department of Mechanical Engineering, College of Engineering, University of Basrah, Basrah, Iraq
History
  • Received: November 4, 2019
  • Revised: December 23, 2019
  • Accepted: January 5, 2020
  • Available Online: March 2, 2020
DOI

https://doi.org/10.33971/bjes.20.2.6

Abstract

This paper presents a pressure drop analysis in perforated vertical wellbores for different perforation parameters. The effect of the density of the perforations (number of perforation), the phase angle of the perforations, the diameter of the perforation and the flow rate of the crude oil from the perforations on the pressure drop and the productivity index of the perforated vertical wellbores were studied. The analysis of the vertical wellbore was performed numerically using ANSYS FLUENT 15.0 software. Three dimensional, steady-states, turbulent and incompressible fluid flow is assumed during the numerical solution of the governing equations. The results of this study show that, increased perforation density of the perforated vertical wellbore caused an increase in pressure drop, and also, decreased productivity index due to increasing the friction losses. Friction pressure drop has a significant effect on crude oil flow into the wellbore. When the main velocity is 1.5 m/s and the inlet velocity from the perforations is 2 m/s, the friction pressure drop is about 66 % and the acceleration pressure is approximately 34 % of the total pressure drop.

Keywords

References

  1. Metin Karakas and S. M. Tariq, "Semi analytical Productivity Models for Perforated Completions", SPE Production Engineering, Vol. 6, Issue 1, pp. 73-82, February 1991.
  2. Joseph Ansah, Mark A. Pruett and Mohamed Y. Soliman, "Advances in Well Completion Design: A New 3D Finite-Element Wellbore Inflow Model for Optimizing Performance of Perforated Completions", Society of Petroleum Engineers Source, International Symposium and Exhibition on Formation Damage Control, 20-21 February 2002, Lafayette, Louisiana, pp. 1-11, 2002.
  3. Turhan Yildiz, "Productivity of Selectively Perforated Vertical Wells", Society of Petroleum Engineers Source, SPE Journal, Vol. 7, Issue 2, pp. 158-169, June 2002.
  4. Jacques Hagoort, "An analytical model for predicting the productivity of perforated wells", Elsevier, Journal of Petroleum Science and Engineering, Vol. 56, Issue 4, pp. 199-218, 2007.
  5. Zeboudj Faycal Fayal and Bahi Lakhdar, "Horizontal Well Performance Flow Simulation CFD-Application", Society of Petroleum Engineers, SPE Production and Operations Conference and Exhibition, 8-10 June, Tunis, Tunisia, June 2010.
  6. J. Xu, J. Hu, M. Luo, S. Wang, B. Qi and Z. Qiao, "Optimization of Perforation Distribution in HTHP Vertical Wells", The Canadian Journal of Chemical Engineering, Vol. 91, No. 2, December 2011.
  7. Mohammed Abdulwahhab Abdulwahid, Sadoun Fahad Dakhil and I. N. Niranjan Kumar, "Numerical analysis of fluid flow properties in a partially perforated horizontal wellbore", American Journal of Energy Engineering, Vol. 2, No. 6, pp. 133-140, December 2014.
  8. Mahmoud O. Elsharafi and Tibor Bodi, "Evaluation of the productivity of vertical oil wells by using different high shot density (HSD) guns", International Journal of Petrochemical Science & Engineering, Vol. 2, Issue 2, March 2017.
  9. Mohammed K. Salim, Hussein S. Sultan and Ahmed K. M. AL-Shara, "Effect of Shape and Parameters of Perforation in a Vertical Wellbore with Two Perforations (without Porous Media) on Pressure Drop", Fluid Mechanics, Vol. 4, Issue 3, June 2017.
  10. FLUENT Inc., FLUENT 6.3 User’s Guide, 2006.
  11. Mohammed Abdulwahhab Abdulwahid, Niranjan Kumar Injeti and Sadoun Fahad Dakhil, "Numerical Simulation of Flow through Wellbore for Horizontal Wells", Proceedings of the 2013 International Conference on Applied Mathematics and Computational Methods in Engineering, pp. 40-48, 2013.
  12. Mohammed Abdulwahhab Abdulwahid, Sadoun Fahad Dakhil and I. N. Niranjan Kumar, "Numerical analysis of fluid flow properties in a partially perforated horizontal wellbore", American Journal of Energy Engineering, Vol. 2, No. 6, pp. 133-140, December 2014.
  13. Thomas Vyzikas, "Application of numerical models and codes", MERiFIC, Marine Energy in Far Peripheral and Island Communities, February 2014.
  14. H. K. Versteeg and W. Malalasekera, "An Introduction to Computational Fluid Dynamics, the Finite Volume Method", 2nd Edition, Prentice Hall, ISBN: 978-0-13127498-3, 2007.
  15. S. D. Joshi, "Cost/Benefits of Horizontal Wells", Society of Petroleum Engineers, SPE Western Regional/AAPG Pacific Section Joint Meeting, 19-24 May, Long Beach, California, 2003.
  16. F. Moukalled, L. Mangani and M. Darwish, "The Finite Volume Method in Computational Fluid Dynamics", Spniger, ISBN 978-3-319-16874-6, 1st Edition, 2016.
  17. Morris Muskat, "The Effect of Casing Perforations on Well Productivity", Society of Petroleum Engineers, Transactions of the AIME, Vol. 151, Issue 1, pp. 175-187, December 1943.
  18. Ruben M. S. M. Schulkes and Ole Harald Utvik, "Pressure Drop in a Perforated Pipe with Radial Inflow: Single-Phase Flow", Society of Petroleum Engineers, SPE Journal, Vol. 3, Issue 1, pp. 77-85, March 1998.
  19. Li Hua, Lu Yan, Peng Xiaodong, Lv Xindong and Wang Laichao, "Pressure Drop Calculation Models of Wellbore Fluid in Perforated Completion Horizontal Wells", IJHT, International Journal of Heat and Technology, Vol. 34, No. 1, pp. 65-72, March 2016.
  20. S. E. Haaland, "Simple and Explicit Formulas for the Friction Factor in Turbulent Pipe Flow", Journal of Fluids Engineering, Vol. 105, No. 1, pp. 89-90, March 1983.
  21. Harald Asheim, Johnny Kolnes and Piet Oudeman, "A flow resistance correlation for completed wellbore", Journal of Petroleum Science and Engineering, Vol. 8, Issue 2, pp. 97-104, September 1992.
  22. Ze Su and J. S. Gudmundsson, "Pressure Drop in Perforated Pipes: Experiments and Analysis", Society of Petroleum Engineers, SPE Asia Pacific Oil and Gas Conference, 7-10 November, Melbourne, Australia, pp. 563-574, November 1994.
  23. Mohammed K. Salim, Hussein S. Sultan and Ahmed K. M. AL-Shara, "Numerical Simulation of Perforated Vertical Wellbore", M. Sc. Thesis, Mechanical Engineering Department, University of Basrah, April, 2017.