Hydrocarbon Reservoirs Management
Geochemical Appraisal of the Depositional Environment and Source Organic Matter of Crude Oils from Some Oil Fields in Bayelsa State, Nigeria

Charles Ikenna Oraegbunam; Leo Osuji; Mudiaga Onojake; Selegha Abrakasa

Volume 9, Issue 3 , July 2020, , Pages 1-10

https://doi.org/10.22050/ijogst.2020.221306.1538

Abstract
  The organic geochemical characterization of crude oil samples from the oil fields of the Niger delta was carried out using gas chromatography–-mass spectrometry (GC–-MS) to genetically characterize the oil samples in terms of their biomarker composition. Geochemical characteristics such as ...  Read More

Petroleum Engineering
Seismic Attribute Analysis and 3D Model-Based Approach to Reservoir Characterization of “KO” Field, Niger Delta

James Sunday Abe; Kenneth Okosun

Volume 9, Issue 4 , October 2020, , Pages 1-28

https://doi.org/10.22050/ijogst.2020.232984.1550

Abstract
  Modelling involves the use of statistical techniques or analogy data to infill the inter-well volume producing images of the subsurface. Integration of available data sets from “KO” field were used to identify hydrocarbon prospects and by means of interpolation, populate the facies and petrophysical ...  Read More

Chemical Engineering
Experimental Optimization of The Disinfection Performance of Sodium Hypochlorite and Hypochlorous Acid in Pilot and Industrial Cooling Towers

Bahman Behzadi; Maziar Noei; Alireza Azimi; Masoume Mirzaei; Hossien Anaraki Ardakani

Volume 10, Issue 2 , April 2021, , Pages 1-11

https://doi.org/10.22050/ijogst.2021.265594.1578

Abstract
  Water can contain microorganisms and cause deposition and corrosion in cooling tower systems. Therefore, the water treatment of cooling towers is essential. Various biocides are used to remove bacteria and disinfect the water of cooling towers, and the most commonly used are sodium hypochlorite and chlorine ...  Read More

Chemical Engineering
The Effect of Inhibitor on Wax Precipitation in Iranian Oil Fields Using Differential Scanning Calorimetry and Microscopy Methods

Hossein Hejazi; Behrouz Bayati; Mohsen Mansouri

Volume 10, Issue 3 , July 2021, , Pages 1-19

https://doi.org/10.22050/ijogst.2021.133532

Abstract
  This study investigated the effect of ethylene-vinyl acetate (EVA) as an inhibitor on wax appearance temperature (WAT) of crude oil in the Iranian oil field using the differential scanning calorimetry (DSC) method. The effect of EVA on the morphology of crude oil wax crystals was examined by a system ...  Read More

Petroleum Engineering – Reservoir
Predicting the Permeability Using Geometric Properties of Micro-Computed Tomography Images by Linear Regression Models

Mohammad Ashrafi; Seyyed Alireza Tabatabaei-Nezhad; Elnaz Khodapanah

Volume 10, Issue 4 , October 2021, , Pages 1-13

https://doi.org/10.22050/ijogst.2021.289006.1597

Abstract
  Challenges of rock absolute permeability prediction of tiny samples are remarkable when laboratory apparatus is not applicable and there is no pore network modeling. The prediction using the characterization of micro-computed tomography images has been studied in this paper. Twenty series of 2D micro-computed ...  Read More

Petroleum Engineering
Detection of Heavy bitumen Contaminations with Using Corrected Rock-Eval Pyrolysis Data

Meisam Hemmati; Yaser Ahmadi

Volume 11, Issue 2 , April 2022, , Pages 1-18

https://doi.org/10.22050/ijogst.2021.290550.1598

Abstract
  The Rock-Eval pyrolysis is a thermal method that is widely used by the petroleum geologist for evaluation of source rock characteristics and obtain geochemistry parameters. However, there are misconceptions and misuses in exceptional cases that could lead to erroneous conclusions after using the Rock-Eval ...  Read More

Petroleum Engineering
Investigation of Origin, Sedimentary Environment and Preservation of Organic matter: A Case Study in Garau Formation

Meisam Hemmati; Yaser Ahmadi

Volume 11, Issue 1 , January 2022, , Pages 1-15

https://doi.org/10.22050/ijogst.2021.291679.1601

Abstract
  Knowing the characteristics of suitable environments for precipitation of oil prone source rocks facilitates oil explorations and leads to development of oil fields. The current study investigates the organic matter properties and sedimentary environment conditions of the Garau Formation in various outcrop ...  Read More

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

Abdeslem Leksir

Volume 11, Issue 3 , July 2022, , Pages 1-22

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

Abstract
  Column final tests face new challenges, and in addition to casing burst/collapse limitations, buckling occurrence creates serious problems. In case of a slight gap between mud and slurry densities, buckling initiation is inevitable. Casing elongation, bending, and buckling are detailed to define column ...  Read More

Project Management
The Effect of PMBOK Knowledge Areas on Critical Success Factors in Oil and Gas Projects in Iran: A SEM Modelling

Mahdi Rostami; Mohammad Amin Ahangari

Volume 11, Issue 4 , October 2022, , Pages 1-10

https://doi.org/10.22050/ijogst.2023.381640.1665

Abstract
  AbstractThe complicated nature of oil and gas projects demands the deployment of integrated and effective project management methodologies to achieve the project objectives including the scope, cost and timing of the project. However, the availability of alternative methods such as PMI/PMBOK, IPMA, and ...  Read More

Petroleum Engineering
Analyzing Single- and Two-parameter Models for Describing Oil Recovery in Imbibition from Fractured Reservoirs

Mojtaba Ghaedi; Sadegh Ahmadpour

Volume 9, Issue 3 , July 2020, , Pages 11-25

https://doi.org/10.22050/ijogst.2020.207829.1524

Abstract
  The imbibition process is known as one of the main production mechanisms in fractured reservoirs where oil/gas-filled matrix blocks are surrounded by water-filled fractures. Different forces such as gravity and capillary play a role in production from a fractured reservoir during imbibition and complicate ...  Read More

Accounting
Optimization of Three Phases Horizontal Separator Using the Genetic Algorithm (G.A.) Method to Reduce Manufacturing Costs and Promote the Phase Separation Process in the Petroleum Industry

Vahab Montazeri; Atefeh Ghazi

Volume 11, Issue 4 , October 2022, , Pages 11-26

https://doi.org/10.22050/ijogst.2023.386627.1668

Abstract
   AbstractIt is essential to separate two immiscible liquids from gas to produce the light liquid, heavy liquid, and vapor phases. The separation of water from hydrocarbons is a practical example in the oil industry. For such separation in industry, three phase separator is used. In this study, different ...  Read More

Petroleum Engineering – Drilling
Effectiveness of Alumina Nanoparticles in Improving the Rheological Properties of Water-Based Drilling Mud

Afshar Alihosseini; Ali Hassan Zadeh; Majid Monajjemi; Mahdi Nazary Sarem

Volume 10, Issue 2 , April 2021, , Pages 12-27

https://doi.org/10.22050/ijogst.2021.269283.1581

Abstract
  Wellbore stability is one of the challenges in the drilling industry. Shale formation is one of the most problematic rocks during drilling because the rock has very low permeability and tiny pores (nanometers). This study assesses the viability of the alumina nanoparticles (Al2O3) in water-based mud. ...  Read More

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

Volume 12, Issue 2 , April 2023, , Pages 13-39

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

Instrumentation & Automation in Oil Industries
Sensor Fault Diagnosis Using an Algorithm Based on Auto-Associative Neural Networks

Hamidreza Mousavi; Mehdi Shahbazian

Volume 10, Issue 4 , October 2021, , Pages 14-30

https://doi.org/10.22050/ijogst.2021.293463.1606

Abstract
  Auto-associative neural network (AANN) has been recently used in sensor fault diagnosis. This paper introduces a new AANN based algorithm named improved AANN (I-AANN) for sensor single-fault diagnosis. An algorithm is a two-aimed approach that estimates the correct value of the faulty sensor by isolating ...  Read More

Petroleum Engineering – Drilling
Experimental Investigation of Effect of SiO2, CuO, and ZnO Nanoparticles on Filtration Properties of Drilling Fluid as Functions of Pressure and Temperature

Borzu Asgari pirbalouti

Volume 11, Issue 1 , January 2022, , Pages 15-27

https://doi.org/10.22050/ijogst.2022.322972.1619

Abstract
  Among the different operating parameters that must be carefully controlled during the drilling operation, penetration of drilling mud into the permeable zone of formations is one of the essential ones that can have a destructive effect on the productive zone. Thus, the current investigation concentrates ...  Read More

Management
Designing Enhanced Oil Recovery (EOR)/ improved Oil Recovery (IOR) Technology Road Map in oil Fields

Nazanin Ghaleh Khandani; Reza Radfar; Bita Tabrizian

Volume 11, Issue 2 , April 2022, , Pages 19-31

https://doi.org/10.22050/ijogst.2022.326477.1621

Abstract
  The oil industry is looking for a way to develop reservoir management and optimal production of hydrocarbon reservoirs. The use of advanced technologies in the extraction of oil and gas reserves is very important in advancing the short-term and long-term goals of this industry, both in terms of product ...  Read More

Petroleum Engineering
Experimental Investigation of Permeability Reduction Due to Migration of Non-swelling Clay Minerals

Siavash Ashoori; Ehsan Safavi; Jamshid Moghaddasi; Parvin Kolahkaj

Volume 10, Issue 3 , July 2021, , Pages 20-38

https://doi.org/10.22050/ijogst.2021.133602

Abstract
  Formation damage is reported during the secondary and tertiary stages of reservoir lifespan. One of the unpleasant sequences of formation damage caused by fine particles is permeability reduction due to pore plugging and bridging. The fine particles might exist initially in a porous medium or be introduced ...  Read More

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

Seyed Reza Shadizadeh; Amin Derakhshan

Volume 11, Issue 3 , July 2022, , Pages 23-36

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

Abstract
  Oil recovery from oil-wet carbonate rock is a significant challenge in the oil industry. The present study investigates the influence of the natural surfactant Hawthorn leaves extract (HLE) on oil recovery from carbonate rock. Two chemical surfactants, sodium dodecyl sulfate (SDS) and dodecyl tri methyl ...  Read More

Chemical Engineering
Experimental Measurement of Equilibrium Surface Tension of an Aqueous Solution of Polyethylene Glycol and a Surfactant

Fateme Beiranvand; Seyed Hesam Najibi; Bahram Hashemi Shahraki

Volume 9, Issue 3 , July 2020, , Pages 26-43

https://doi.org/10.22050/ijogst.2020.198631.1519

Abstract
  A device is designed and constructed for measuring the equilibrium surface tension of water and a number of other solutions. The measured equilibrium surface tension of water, as a reference fluid, has good consistency with literature data. Moreover, the equilibrium surface tension of the aqueous solutions ...  Read More

Petroleum Engineering – Reservoir
Determination of Diffusion Coefficient During Gas Injection in Heavy Oil Hydrocarbons

Mehdi Bahari Moghaddam; Seyyed Alireza Kamani

Volume 11, Issue 4 , October 2022, , Pages 27-50

https://doi.org/10.22050/ijogst.2023.355345.1651

Abstract
  An essential transport characteristic that links a substance's molar (mass) flux to its concentration gradient is the molecular diffusion coefficient. For modeling and performance forecasting of solvent-aided recovery processes of heavy oils such as VAPEX and SAGD; a reliable and accurate estimation ...  Read More

Petroleum Engineering – Exploration
Facies Interpretation from Well Logs: Applied to Calub–Hilala Field Within Ogaden Basin, Ethiopia

Samuel Getnet Tsegaye

Volume 10, Issue 2 , April 2021, , Pages 28-50

https://doi.org/10.22050/ijogst.2021.284524.1592

Abstract
  The lithofacies and environments of deposition interpretations of the Calub–Hilala field toward the central trough of Ogaden Basin were analyzed, and geophysical well logs from three deep exploration wells, namely Calub-1, Bodle-1, and Hilala-2, were used. A methodology was piloted in establishing ...  Read More

Chemical Engineering – HSE
Risk Assessment and Risk Management of Kermanshah Province Gas Company Using HAZOP Method

Zahra Heydari; Vahid Rahmani; Ali akbar Heydari; Mohsen Motavassel

Volume 11, Issue 1 , January 2022, , Pages 28-37

https://doi.org/10.22050/ijogst.2022.292733.1604

Abstract
  Every day’s large amount of gas is consumed which is transported through pipelines. Due to irreparable consequences of gas related accident and their heavy financial losses; therefore, the safety of pipeline is one of the priorities of gas companies, government and consumers. Hazard is part of ...  Read More

Petroleum Engineering
Application of Bayesian Statistics in Hydraulic Flow Units Modeling and Permeability Prediction (A case study Carbonate Reservoir in SW Iran)

Arian Ahmadi; Mohammad Abdideh

Volume 9, Issue 4 , October 2020, , Pages 29-44

https://doi.org/10.22050/ijogst.2020.225995.1544

Abstract
  < p>The determination of rock types for petrophysical studies has a wide range of applications. It is widely used in drilling, production, and especially in the study and characterization of reservoirs. Zoning of flow units and permeability estimation is one of the challenging tasks of reservoir ...  Read More