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 Petroleum Engineering – Drilling
Casing Selection Strategy to Overcome Buckling Generation and Influences on Cement Quality in Vertical Wells

Abdeslem Leksir

Articles in Press, Accepted Manuscript, Available Online from 20 July 2022

https://doi.org/10.22050/ijogst.2022.337958.1636

Abstract
  Column final test facing new challenge, in addition to casing burst/collapse limitations; buckling occurrence creates serious problems. Practically, in case of slight gap between mud and slurry densities, buckling initiation is inevitable. Casing elongation, bending and buckling detailed, to define column ...  Read More

Research Paper Petroleum Engineering – Reservoir
Enhancing Oil Recovery from Oil Wet Carbonate Rock by Wettability Alteration and IFT Reduction Using Hawthorn Leaves Extract as a New Natural Surfactant

Seyed Reza Shadizadeh; Amin Derakhshan

Articles in Press, Accepted Manuscript, Available Online from 31 August 2022

https://doi.org/10.22050/ijogst.2022.314474.1617

Abstract
  Oil recovery from oil wet carbonate rock is a big challenge in oil industry. In the present study, the influence of natural surfactant Hawthorn leaves extract (HLE) on oil recovery from carbonate rock is investigated. Two chemical surfactants include Sodium dodecyl sulfate (SDS) and Dodecyl tri methyl ...  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

Research Paper Petroleum Engineering – Exploration
Hydrocarbon generation potential and paleo-depositional environments of the Laffan Formation in the Binak Oilfield; results from Rock-Eval pyrolysis and organic petrographic studies

Bahram Alizadeh; Zollfaghar Eivazi Nezhad; Majid Alipour

Articles in Press, Accepted Manuscript, Available Online from 19 November 2022

https://doi.org/10.22050/ijogst.2022.336808.1635

Abstract
  In this study, the hydrocarbon potential and depositional environments of the Coniacian Laffan Formation were investigated in the Binak Oilfield, SW Iran. With an average thickness of 80 meters, the Laffan Formation consists mainly of gray shales and thin argillaceous limestones in the study area. In ...  Read More