An investigation of hydromechanical effect on well productivity in fractured porous media using full factorial experimental design

T. Kadeethum*, S. Salimzadeh, H. M. Nick

*Corresponding author for this work

Research output: Contribution to journalJournal articleResearchpeer-review

Abstract

We propose a statistical investigation of the hydromechanical effect on well productivity in fractured porous media using full factorial experimental design. Factors affecting the well productivity have been investigated quantitatively, then ranked based on their impacts. The outcomes of this study can be used as a guideline for studying the uncertainties involved in well productivity. The results show that six main factors, initial reservoir pressure, matrix permeability, far-field stresses, fracture stiffness, fracture density, and fracture connectivity have effects on initial well productivity and its reduction, dictating the relationship between well productivity and drawdown pressure. Since the interactions among these factors cannot be neglected, all main factors should be investigated simultaneously for their effects on the well productivity. Results also show that the impact of each main factor is different, to reduce the computational cost, the most significant factors can be selected for the sensitivity analysis based on their ranks.

Original languageEnglish
Article number106233
JournalJournal of Petroleum Science and Engineering
Volume181
Number of pages25
ISSN0920-4105
DOIs
Publication statusPublished - 1 Oct 2019

Keywords

  • Finite element method
  • Fractured porous media
  • Full factorial experimental design
  • Poroelastic effects
  • Productivity behaviour

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