Evaluation of Empirical Correlations for Predicting Gas Hydrate Formation Temperature
1. Evaluation of Empirical Correlations for Predicting Gas Hydrate Formation Temperature

Sakineh Chavoshi; Mani Safamirzaei; F Pajoum Shariati

Volume 6, Issue 2 , Autumn 2018, , Pages 15-36

http://dx.doi.org/10.22108/gpj.2018.112052.1036

Abstract
  One of the important, practical and simple methods for hydrate formation conditionis empirical equations, and so far many empirical equations have been presented to predict thetemperature ...  Read More
The Effect of Sodium and Chloride Salts on Tetrahydrofuran Hydrate Formation by Using a Differential Scanning Calorimetry
2. The Effect of Sodium and Chloride Salts on Tetrahydrofuran Hydrate Formation by Using a Differential Scanning Calorimetry

Parisa Naeiji; Farshad Varaminian

Volume 6, Issue 2 , Autumn 2018, , Pages 49-60

http://dx.doi.org/10.22108/gpj.2019.113741.1044

Abstract
  In this study, a differential scanning calorimetry (DSC) has been used to characterize tetrahydrofuran (THF) hydrate formation with and without the presence of sodium and chloride salts. ...  Read More
Effect of Sodium Dodecyl Sulphate on Gas Hydrate Formation Kinetics ‎of Methane and Ethane Mixtures
3. Effect of Sodium Dodecyl Sulphate on Gas Hydrate Formation Kinetics ‎of Methane and Ethane Mixtures

Parisa Naeiji; farshad varaminian

Volume 5, Issue 1 , Winter 2017, , Pages 65-74

http://dx.doi.org/10.22108/gpj.2018.100104.1002

Abstract
  In this study, the effects of sodium dodecyl sulphate (SDS) on gas hydrate formation kinetics of methane and ethane mixture has been investigated experimentally and also the thermodynamic ...  Read More
Visual Observation of Flow Regime Transition in Downward Vertical Gas-Liquid Flow Using Simple Mixer
4. Visual Observation of Flow Regime Transition in Downward Vertical Gas-Liquid Flow Using Simple Mixer

Farhad Raeiszadeh; Ebrahim Hajidavalloo; Morteza Behbahaninejad; Pedram Hanafizadeh

Volume 4, Issue 1 , Winter 2016, , Pages 53-62

http://dx.doi.org/10.22108/gpj.2016.21588

Abstract
  Different flow patterns of downward gas-liquid two-phaseflow using simple mixer are studied in an experimental manner. An experimental setup is designed and fabricated to allow the ...  Read More
Positive Coupling Effect in Gas Condensate Flow Capillary Number Versus Weber Number
5. Positive Coupling Effect in Gas Condensate Flow Capillary Number Versus Weber Number

Mohammad Mohammadi-Khanaposhtani

Volume 4, Issue 1 , Winter 2016, , Pages 73-82

http://dx.doi.org/10.22108/gpj.2016.21608

Abstract
  Positive coupling effect in gas condensate reservoirs is assessed through a pure theoretical approach. A combination of linear stability analysis and long bubble approximation is applied ...  Read More
Integrated Analysis of Choke Performance and Flow Behaviour in High-Rate, Deviated Gas-Condensate Wells
6. Integrated Analysis of Choke Performance and Flow Behaviour in High-Rate, Deviated Gas-Condensate Wells

Mohammad Hossein Heidari Sureshjani; Ahmad Lak; Shahriar Osfouri; Robab Chahshoori; Reza Azin; Shahab Gerami

Volume 2, Issue 1 , Winter 2014, , Pages 8-18

http://dx.doi.org/10.22108/gpj.2014.20171

Abstract
   Understanding the flow behaviour in a gas well is crucial for future production strategies, obtaining bottomhole conditions from wellhead production data, analyzing production ...  Read More
Experimental Measurement and Kinetic Modeling of Ethane Gas Hydrate in the Presence of Sodium Dodecyl Sulfate Surfactant
7. Experimental Measurement and Kinetic Modeling of Ethane Gas Hydrate in the Presence of Sodium Dodecyl Sulfate Surfactant

Maryam Karamoddin; Farshad Varaminian; Maryam Daraee

Volume 1, Issue 2 , Spring 2013, , Pages 1-12

http://dx.doi.org/10.22108/gpj.2013.20164

Abstract
    Abstract: In this work, the kinetics of ethane hydrate formation has been studied experimentally and a kinetic model based on chemical affinity has been described for ...  Read More
Prediction of Structural Changes in Gas Hydrate for Methane and Ethane Mixture by Using Tangent Plane Distance Minimization
8. Prediction of Structural Changes in Gas Hydrate for Methane and Ethane Mixture by Using Tangent Plane Distance Minimization

Farshad Varaminian; Hadi Behjati Rad

Volume 1, Issue 2 , Spring 2013, , Pages 41-48

http://dx.doi.org/10.22108/gpj.2013.20168

Abstract
  Abstract:  In this study, the change in the crystalline structure of gas hydrate was predicted for ternary mixture of methane-ethane-water. For this purpose, the tangent ...  Read More
Predicting the Hydrate Formation Temperature by a New Correlation and Neural Network
9. Predicting the Hydrate Formation Temperature by a New Correlation and Neural Network

Hamidreza Yousefi; Ebrahim Shamohammadi; Ehsan Khamehchi

Volume 1, Issue 1 , Winter 2013, , Pages 41-50

http://dx.doi.org/10.22108/gpj.2013.20158

Abstract
  Gas hydrates are a costly problem when they plug oil and gas pipelines. The best way to determine the HFT and pressure is to measure these conditions experimentally for every gas system. ...  Read More
The Indication of Two-Phase Flow Pattern and Slug Characteristics in a Pipeline Using CFD Method
10. The Indication of Two-Phase Flow Pattern and Slug Characteristics in a Pipeline Using CFD Method

Elahe Bahramifar; Rahbar Rahimi; Maryam Mazarei Sotoodeh

Volume 1, Issue 1 , Winter 2013, , Pages 70-87

http://dx.doi.org/10.22108/gpj.2013.20159

Abstract
  Multiphase flows are commonly encountered in oil and gas industries. The transport of multiphase flow causes the formation of slug, the increase of pressure drop and the possibility ...  Read More
Formation Kinetics of Structure H Gas Hydrate
11. Formation Kinetics of Structure H Gas Hydrate

Mohsen Vafaii Sefti; Behnaz Parvizi; Farshad Varaminian

Volume 1, Issue 1 , Winter 2013, , Pages 1-8

http://dx.doi.org/10.22108/gpj.2013.20160

Abstract
  This paper investigates the kinetics of structure H (sH) formation kinetics above and below the structure I (sI) formation equilibrium curve at temperatures of between 2°C ...  Read More