Research Paper Safety and Technical Protection Engineering
2. Analysis of Hyperspectral Imagery for Oil Spill Detection Using SAM Unmixing Algorithm Techniques

Ahmad Keshavarz; Seyed Mohammad Karim Hashemizadeh

Volume 6, Issue 2 , Spring 2017, Pages 1-16

http://dx.doi.org/10.22050/ijogst.2017.47444

Abstract
  Oil spill is one of major marine environmental challenges. The main impacts of this phenomenon are preventing light transmission into the deep water and oxygen absorption, which can disturb the photosynthesis process of water plants. In this research, we utilize SpecTIR airborne sensor data to extract ...  Read More

Research Paper Chemical Engineering
3. An Experimental Investigation and Prediction of Asphaltene Deposition during Laminar Flow in the Pipes Using a Heat Transfer Approach

Farhad Salimi; Shahab Ayatollahi; Mohsen Vafaie Seftie

Volume 6, Issue 2 , Spring 2017, Pages 17-32

http://dx.doi.org/10.22050/ijogst.2017.47414

Abstract
  In this study, asphaltene deposition from crude oil has experimentally and theoretically been studied using a test loop and an accurate temperature monitoring during a laminar flow. The effects of oil velocity and surface temperature on the thickness of asphaltene deposition were investigated. The results ...  Read More

Research Paper Petroleum Engineering
4. Sand Production Control in Sandstone Reservoirs Using a Modified Urea-formaldehyde Re

Mohammad reza Talaghat; Ahmad Reza Bahmani

Volume 6, Issue 2 , Spring 2017, Pages 33-45

http://dx.doi.org/10.22050/ijogst.2017.47418

Abstract
  Several techniques have been used for sand production control in sandstone reservoirs.The main objective of this research is to present a suitable resin to be used as a consolidation agent in oil reservoirs. To achieve this purpose, urea-formaldehyde resin, phenol-formaldehyde resin, and modified urea-formaldehyde ...  Read More

Research Paper Chemical Engineering
5. An Evaluation of Four Electrolyte Models for the Prediction of Thermodynamic Properties of Aqueous Electrolyte Solutions

Kamalodin Momeni; Hesam Najibi Najibi; Mohammad T. Sadeghi

Volume 6, Issue 2 , Spring 2017, Pages 46-60

http://dx.doi.org/10.22050/ijogst.2017.47434

Abstract
  In this work, the performance of four electrolyte models for prediction the osmotic and activity coefficients of different aqueous salt solutions at 298 K, atmospheric pressure and in a wide range of concentrations are evaluated. In two of these models, (electrolyte Non-Random Two-Liquid e-NRTL and Mean ...  Read More

Research Paper Management
6. Strategy, Management Accounting Systems, and Performance of Iranian Petrochemical Companies in the Light of Contingency Theory

Abbas Alimoradi; Sepideh Borzoupour

Volume 6, Issue 2 , Spring 2017, Pages 61-74

http://dx.doi.org/10.22050/ijogst.2017.47426

Abstract
  In the present business atmosphere, an organization should be able to respond to environmental needs occasioned by rapid and dynamic evolution as quickly as possible. It is obvious that such ability is impossible without a proper strategic approach, strategic thinking, and a suitable management accounting ...  Read More

Research Paper Petroleum Engineering
7. A Pore Scale Evaluation of Produced Biosurfactants for Ex-situ Enhanced Oil Recovery

Mohammad Hossein Shabani; Arezou Jafari; Seyed Mohammad Mousavi

Volume 6, Issue 2 , Spring 2017, Pages 75-89

http://dx.doi.org/10.22050/ijogst.2017.47443

Abstract
  Microbial enhanced oil recovery (MEOR) is an economical method used to improve the oil recovery from reservoirs. In the MEOR techniques, by applying different microorganisms, a variety of products such as bioacid, biogas, biosurfactant, and biopolymer are generated, among which biosurfactant, one of ...  Read More