Research Paper Petroleum Engineering
Improving Fluid Flow through Low Permeability Reservoir in the presence of Nanoparticles: An Experimental Core flooding WAG tests

Yaser Ahmadi

Articles in Press, Accepted Manuscript, Available Online from 29 December 2021

https://doi.org/10.22050/ijogst.2021.287297.1595

Abstract
  Recently nanoparticles are used for improving the volume of oil and gas production and Enhanced Oil Recovery (EOR) purposes. Based on our recent researches, using nanoparticles such as Silica and Calcium oxide has a good potential for changing mechanisms in the porous media such as interfacial tension ...  Read More

Research Paper Mechanical Engineering
Defected Thick Walled Spherical Pressure Vessels Under Thermo-Mechanically Loading

Hadi eskandari; Moslem Ghanbari

Articles in Press, Accepted Manuscript, Available Online from 12 September 2022

https://doi.org/10.22050/ijogst.2022.241483.1557

Abstract
  The present study deals on the geometry effects of the spherical pressure vessel(SPV) and the crack configuration on the variation of the stress intensity factor (SIF) through the crack line. The pressurized vessel is subjected to the pressure and thermal gradient (thermo-mechanical loading). The 3D ...  Read More

Research Paper Petroleum Engineering – Exploration
Integration of seismic attributes and wellbore data of Ghar Formation in the Hindijan and Bahregansar oilfields

Mehrdad Safarpour; Mohammad Ali Riahi; Mehran Rahimi

Articles in Press, Accepted Manuscript, Available Online from 04 October 2022

https://doi.org/10.22050/ijogst.2022.336225.1634

Abstract
  The main purpose of this paper is to estimate and evaluate the petrophysical properties of the Ghar Formation in the Hindijan and Bahregansar oilfields using a combination of seismic and well logs data. In this study, following a step-by-step regression approach: first; sonic, density, and, porosity ...  Read More