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Numerical Modeling of Sand Production Prediction at Oil Wells in Unconsolidated Sandstone Reservoir

Zalakinezhad, Ali | 2022

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  1. Type of Document: M.Sc. Thesis
  2. Language: Farsi
  3. Document No: 55358 (06)
  4. University: Sharif University of Technology
  5. Department: Chemical and Petroleum Engineering
  6. Advisor(s): Jamshidi, Saeed
  7. Abstract:
  8. Nowadays, one of the major challenges in the oil and gas industry is sand production, which creates many problems and can complicate the oil and gas production process, so modeling sand production and using models to estimate the start of sand production and also the amount of sand produced can help a lot in the proper management of the reservoir.In this study, first, how to obtain the critical wellbore pressure using the Mohr-coulomb failure criteria and also the Mogi-coulomb failure criteria in different cases, it is explained, that knowing the critical wellbore pressure can be helpful in estimating the start of sand production. Then, how to build a one-dimensional geomechanical model of the well and calculate the mechanical parameters of the rock as well as in-situ stresses are explained, and finally the numerical relationship that is used in this study to calculate the amount of sand produced is explained.Based on the above method, a software has been prepared that the user can enter the required parameters of the software and get some information such as the amount of sand produced, sand production rate, changes in porosity and permeability during sand production and also critical wellbore pressure against reservoir pressure diagram
  9. Keywords:
  10. Sand Production ; Numerical Modeling ; Failure Criteria ; Unconsolidated Sandstone Reservoir ; Mohr-Coloumb Model

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