Institute of Petroleum Engineering

Centre for Gas Hydrate Research Publications



Reprints of most articles which have been published as full papers are available in Adobe Portable Document Format (.pdf). You may request an article reprint by submitting an email to the webmaster with the abstract number in the subject line.

Webmaster e-mail: ross.anderson@pet.hw.ac.uk

Please note that full abstracts and papers are available except where indicated.

175. Gas Hydrates in Low Water Content Gases: Experimental Measurements and Modelling Using the CPA Equation of State
Chapoy, A., Haghighi, H., Burgess, R., and Tohidi, B.
Fluid Phase Equilibria, in press (2010).
abstract

174. CO2 Hydrates Could Provide a Secondary Safety Factor in Subsurface Sequestration of CO2
Tohidi, B., Yang, J., Salehabadi, M., Anderson, R., and Chapoy, A.
Environmental Science & Technology, 44, 1509-1514 (2010).
abstract

173. A New Thermodynamic Scale Equation for Modelling of Asphaltene Precipitation Form Live Oil
Soltani Soulgani, B., Jamialahmadi, M., Rashtchian, D., and Tohidi, B.
Proceedings of the Canadian International Petroleum Conference (CIPC), Calgary, Alberta, Canada, 16-18 June 2009 (2009).
abstract

172. Integrated Modelling Methods for Asphaltene Deposition in Wellstring
Soltani Soulgani, B., Rashtchian, D., Tohidi, B., and Jamialahmadi, M.
Journal of the Japan Petroleum Institute, 52, 322-331 (2009).
abstract

171. Effect of Common Impurities on the Phase Behaviour of Carbon Dioxide Rich Systems: Minimizing the Risk of Hydrate Formation and Two-Phase Flow
Chapoy, A., and Tohidi, B.
SPE 123778, Offshore Europe 2009: 8th-11th September, Aberdeen, Scotland (2009).
abstract

170. Binary Ethanol-Methane Clathrate Hydrate Formation in the System CH4-C2H5OH-H2O: Experimental Data and Thermodynamic Modelling
Anderson, R., Chapoy, A., Haghighi, H., and Tohidi, B.
Journal of Physical Chemistry C, 113, 12602-12607 (2009).
abstract

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169. A Wet Cold Flow Technology for Tackling Offshore Flow Assurance Problems
Azarinezhad, R., Chapoy, A., Anderson, R., and Tohidi, B.
132349-PA, SPE Projects Facilities & Construction, 5, 58-64 (2009).
abstract

168. Developing a Hydrate-Monitoring System
Tohidi, B., Chapoy, A., and Yang, J.
125130-PA, SPE Projects, Facilities & Construction, 4, 1-6 (2009).
abstract

167. Equilibria for Petroleum Reservoir Fluids Containing Water and Aqueous Methanol Solutions: Experimental Measurements and Modelling Using the CPA Equation of State
Haghighi, H., Chapoy, A., Burgess, R., Mazloum, S., and Tohidi, B.
Phase Equilibria, 278, 109-116 (2009).
abstract

166. Experimental Determination and Thermodynamic Prediction of Methane Hydrate Stability in Alcohols and Electrolyte Solutions
Haghighi, H., Burgess, R., Chapoy, A., Tohidi, B.Najibi, H., Chapoy, A., Haghighi, H., and Tohidi, B.
Fluid Phase Equilibria, 275, 127-131 (2009).
abstract

165. Can Gas Hydrates Provide a Solution to Gas Utilisation Challenges in Russian Oil Fields?
Azarinezhad, R., Chapoy, A., Valko, I., Anderson, R., and Tohidi, B.
SPE11684, Russian Oil & Gas Technical Conference and Exhibition, Moscow, Russia, 28-30 October (2008).
abstract

164. Experimental and Thermodynamic Modelling of Systems Containing Water and Ethylene-Glycol: Application to Flow Assurance and Gas Processing
Haghighi, H., Chapoy, A., and Tohidi, B.
Fluid Phase Equilibria, 276, 24-30 (2009).
abstract

163.

Methane and Water Phase Equilibria in the Presence of Single and Mixed Electrolyte Solutions Using the Cubic-Plus-Association Equation of State
Haghighi, H., Chapoy, A., and Tohidi, B.
Oil & Gas Science and Technology- Revue de l'IFP , 64 141-154 (2009).
abstract

162.

Freezing Point Depression of Common Electrolyte Solutions: Experimental and Prediction using the CPA Equation of State
Haghighi, H., Chapoy, A., and Tohidi, B.
Industrial and Engineering Chemistry Research, 47, 3983-3989 (2008)
abstract

161.

Finite Element Modelling of Casing in Gas Hydrate Bearing Sediments
Salehabadi, M., Jin, M., Yang, J., Haghighi, H., and Tohidi, B.
SPE113819, SPE Europec, Rome, Italy, 9-12 June (2008)
abstract

160.

Seismic Time-lapse Monitoring of Potential Gas Hydrate Dissociation Around Boreholes - Could it be Feasible? A Conceptual 2D Study Linking Geomechanical and Seismic FD Models
Pecher, I., Freij-Ayoub, R., Yang, J., Anderson, R., Tohidi, B., MacBeth, C., and Clennell, M.B.
6th International Conference on Gas Hydrates, Vancouver, Canada, July 6-10 (2008)
abstract

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159.

Impact of Sedimentary Mineralogy on Geophysical and Geomechanical Properties of Hydrate-bearing Sediments
Yang, J., Chapoy, A., and Tohidi, B.
6th International Conference on Gas Hydrates, Vancouver, Canada, July 6-10 (2008)
abstract

158.

Gas Separation and Storage Using Semi-Clathrate Hydrates
Ahmadloo, F., Mali, G., Chapoy, A., and Tohidi, B.
6th International Conference on Gas Hydrates, Vancouver, Canada, July 6-10 (2008)
abstract

157.

Effect of Clathrate Structure and Promoter on the Phase Behaviour of Hydrogen Clathrates
Chapoy, A., Anderson, R., and Tohidi, B.
6th International Conference on Gas Hydrates, Vancouver, Canada, July 6-10 (2008)
abstract

156.

HYDRAFLOW: A Novel Approach in Addressing Flow Assurance Problems
Azarinezhad, R., Chapoy, A., Anderson, R., Tohidi, B.
6th International Conference on Gas Hydrates, Vancouver, Canada, July 6-10 (2008)
abstract

155.

Hydrate Dissociation Conditions at High Pressure: Experimental Equilibrium Data and Thermodynamic Modelling
Haghighi, H., Burgess, R., Chapoy, A., Tohidi, B.
Accepted for publication in the 6th International Conference on Gas Hydrates (2008)
abstract

154.

Capillary Pressure Controlled Methane Hydrate and Ice Growth-Dissociation Patterns in Porous Media: Synthetic Silica versus Natural Sandstone
Ross Anderson, Beau Webber and Bahman Tohidi
6th International Conference on Gas Hydrates, Vancouver, Canada, July 6-10 (2008)
abstract

153.

Binary Ethanol–Methane Clathrate Hydrate Formation in the System CH4−C2H5OH−H2O: Experimental Data and Thermodynamic Modelling
Ross Anderson, Antonin Chapoy, Jeerachada Tanchawanich, Hooman Haghighi, Joanna Lachwa-Langa and Bahman Tohidi
6th International Conference on Gas Hydrates, Vancouver, Canada, July 6-10 (2008)
abstract

152.

Developing Hydrate Monitoring and Early Warning Systems
Tohidi, A. Chapoy, J. Yang, F. Ahmadloo, I Valko, Z. Zain<
OTC19247, Offshore Technology Conference, Houston, Texas, 5-8 May (2008)
abstract

151.

Thermodynamic Conditions and Kinetics of Methane Recovery Through Carbon Dioxide Sequestration
Yang, J., Chapoy, A., Tohidi, B., Jadhawar, P.S., Lee, J., and Huh, D.G.
OTC19247, Offshore Technology Conference, Houston, Texas, 5-8 May (2008)
abstract

150.

HYDRAFLOW: A Multiphase Cold Flow Technology for Offshore Flow Assurance Challenges
R. Azarinezhad, A. Chapoy, R. Anderson, and B. Tohidi
OTC Conference, Houston (2008)
abstract

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149.

Methane/Natural Gas Storage and Delivered Capacity For Activated Carbons in Dry and Wet Conditions
Najibi, A. Chapoy, B. Tohidi
87 Fuel, 7-13, (2008)
abstract

148.

Can n-Propanol Form Hydrate?
Chapoy, R. Anderson, H. Haghighi, T. Edwards, B. Tohidi
Industrial and Engineering Chemistry Research, 47, 1689-1694 (2008)
abstract

147.

Development of a Henry's Constant Correlation and Solubility Measurements of N-Pentane, I-Pentane, Cyclopentane, N-Hexane and Toluene in Water
Chapoy, H. Haghighi, B. Tohidi
Journal of Chemical Thermodynamics, 40, 1030-1037 (2008)
abstract

146.

Avoiding gas Hydrate Problems in Offshore Drilling/Completion Operations Chapoy, B. Tohidi
Drill Tech Asia, Kuala Lumpur, Malaysia, 27-28 November (2007)
abstract

145.

Equilibrium Data of Hydrogen, Methane, Nitrogen, Carbon dioxide and Natural Gas in Semi-Clathrate Hydrates of Tetra Butyl Ammonium Bromide
M. Arjmandi, A. Chapoy, B. Tohidi
J. Chem. Eng., Data 52, 2153-2158, (2007)
abstract

144.

Effective Hydrate Monitoring and Early Warning System
Tohidi, A. Chapoy, J. Yang, Z. Zain
Presented at IBC Asia, Offshore Drilling & Deepwater/Underwater Technologies, Kuala Lumpur, Malaysia, 27-29 November, (2006)
abstract

143.

The dimensional term in the Gibbs–Thomson equation, describing the behaviour of liquids in porous media, is being investigated by NMR relaxation, novel protocol NMR cryoporometry, neutron scattering and ab initio QM-MD simulation
Webber, J.B.W.
Accepted for publication in Abstracts / Magnetic Resonance Imaging (2007).

142.

Clathrate formation and dissociation in vapor/water/ice/hydrate systems in SBA-15, sol–gel and CPG porous media, as probed by NMR relaxation, novel protocol NMR cryoporometry, neutron scattering and ab initio quantum–mechanical molecular dynamics simulation
Webber, J.B.W., Anderson, R., Strange, J. and Tohidi, B.
Accepted for publication in Magnetic Resonance Imaging (2007).
abstract

141.

Hydraflow: Avoiding Gas Hydrate Problems
Haghighi, H., Azarinezhad, R., Chapoy, A., Anderson, R., and Tohidi, B.
SPE 107335 SPE Europec/EAGE Annual Conference and Exhibition, London, United Kingdom, 11–14 June (2007).
abstract

140.

Phase Relations and Binary Clathrate Hydrate Formation in the System H2-THF-H2O
Anderson, R., Chapoy, A., and Tohidi, B.
Langmuir, 23, 3440-3444 (2007)
abstract

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139.

Low-Pressure Molecular Hydrogen Storage in Semi-clathrate Hydrates of Quaternary Ammonium Compounds
Chapoy, A., Anderson, R., and Tohidi, B.
Journal of the American Chemical Society, 129, 746-747 (2007).
abstract

138.

Gas Solubility: A Key to Estimate Water Content of Natural Gases
Mohammadi, A.H., Chapoy, A., Tohidi, B., and Richon, D.
Industrial and Engineering Chemistry, 45, 4825-4829 (2006).
abstract

137.

Advances in Estimating Water Content of Natural Gases
Mohammadi, A.H., Chapoy, A., Tohidi, B., Richon, D.
GPA Conference 2006, Grapevines, Texas, 5-8 March (2006).
abstract

136.

Gas Hydrate Growth and Dissociation in Narrow Pore Networks: Capillary Inhibition and Hysteresis Phenomena
Anderson, R. Tohidi, B and Webber, J.B.W.
Geological Society of London Conference on Sediment-hosted Gas Hydrates: New Insights on Natural and Synthetic Systems, London, 25-26 January (2006).
abstract

135.

A Novel Predictive Technique for Estimating the Hydrate Inhibition Effects of Single and Mixed Thermodynamic Inhibitors
Mohammadi, A.H. and Tohidi, B.
The Canadian Journal of Chemical Engineering, 83, 951-961 (2005).
abstract

134.

A General Correlation for Predicting the Suppression of Hydrate Dissociation Temperature in the Presence of Thermodynamic Inhibitors
Østergaard, K.K., Masoudi, R., Tohidi, B., Danesh, A. and Todd, A.C.
Journal of Petroleum Science and Engineering, 48, 70-80 (2005).
abstract

133.

Experimental Measurement and Phase Behavior Modeling of Hydrogen Sulfide-Water Binary System
Chapoy, A., Mohammadi, A.H., Tohidi, B., Valtz, A. and Richon, D.
Inustrial and Engineering Chemistry Research, 44, 7567-7574 (2005).
abstract

132.

Mechanical and Petrophysical Characterisation and Wellbore Stability Management in Gas Hydrate-Bearing Sediments
Tan, C.P., M.B. Clennell, R. Freij-Ayoub, B. Tohidi and J. Yang
Alaska Rocks 2005: The 40th U.S. Symposium on Rock Mechanics (USRMS), Anchorage, Alaska, June 25-29 (2005).
abstract

131.

Water Content Measurement and Modeling for Methane "Water and Methane"Ethane"n-Butane-Water Systems using a New Sampling Device
Chapoy, A., Mohammadi, A.H., Tohidi, B., and Richon, D.
Journal of Chemical and Engineering Data, 50, 1157-1161 (2005).
abstract

130.

Estimation of Water Content in Sour Gases
Mohammadi, A.H., Samieyan, V., and Tohidi, B.
SPE 94133, SPE Europec, Madrid, Spain, 13-16 July (2005).
abstract

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129.

Hydrate Monitoring and Warning System: A New Approach for Reducing Gas Hydrate Risks
Zain, Z.M., Yang, J., Tohidi, B., Cripps, A., and Hunt, A.
SPE 94340, SPE Europec, Madrid, Spain, 13-16 July (2005).
abstract

128.

Modelling Gas Solubility in Saline Solutions and its Importance to IOR Gas Injection
Masoudi, R., and Tohidi, B.
13th Oil, Gas & Petrochemical International Congress, Tehran, Iran, 24-26 January (2005).
abstract

127.

Gas Hydrates: Source of Energy or a Serious Problem to the Oil and Gas Industry
Masoudi, R., and Tohidi, B.
4th Iranian National Congress on Energy and Economy, Tehran, Iran, 28 Feb to 1st March (2005).
abstract - the full paper is not available for this article.

126.

Subsurface Carbon Dioxide Storage through Clathrate Hydrate Formation
Jadhawar, P., Mohammadi, A.H., Yang, J., and Tohidi, B.
To be published in NATO Science Series IV: Earth and Environmental Sciences (2005).
abstract

125.

Managing Wellbore Instablility Risk in Gas-Hydrate-Bearing Sediments
Tan, C.P., Freij-Ayoub, R., Clennell, M.B., Tohidi, B., and Yang, J.
SPE 92960, The 2005 Asia Pacific Oil and Gas Conference, Jakarta, Indonesia, April 5-7 (2005).
abstract

124.

Gas Hydrate Production Technology for Natural Gas Storage and Transportation and CO2 Sequestration
Masoudi, R., and Tohidi, B.
SPE 93492, The 14th SPE Middle East Oil & Gas Show and Conference, Bahrain, 12"15 March (2005).
abstract

123.

Measurement and Prediction of Gas Hydrate and Hydrated Salt Equilibria in Aqueous Ethylene Glycol and Electrolyte Solutions
Masoudi, R., Tohidi, B., Danesh, A., Todd, A.C., Anderson, R., Burgass, R.W., and Yang, J.
Chemical Engineering Science, 60, 4213-4224 (2005).
abstract

122.

Successful Application of a Versatile Ultrasonic Test System for Gas Hydrates in Unconsolidated Sediments
Yang, J., Llamedo, M., Marinakis, D., Tohidi, B., and Varotsis, N.
The 5th International Conference on Gas Hydrates, Trondheim, Norway, June 13-16 (2005).
abstract

121.

Experimental Investigation on the Effect of Commercial Oilfield Scale Inhibitors on the Performance of Low Dosage Hydrate Inhibitors (LDHI)
Masoudi, R., and Tohidi, B.
The 5th International Conference on Gas Hydrates, Trondheim, Norway, June 13-16 (2005).
abstract

120.

Preliminary Experimental Investigation on Replacing Methane in Hydrate Structure with Carbon Dioxide in Porous Media
Jadhawar, P., Yang, J., Jadhawar, J., and Tohidi, B.
The 5th International Conference on Gas Hydrates, Trondheim, Norway, June 13-16 (2005).
abstract

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119.

Estimating the Hydrate Inhibtion Effect of Single and Mixed Thermodynamic Inhibitors Using a New Predictive Technique
Mohammadi, A.H., and Tohidi, B.
The 5th International Conference on Gas Hydrates, Trondheim, Norway, June 13-16 (2005).
abstract

118.

Hydrate Phase Equilibria in Aqueous Solutions of Salt and Methanol using a Combined Equation of State and Activity Based Model
Mohammadi, A.H., and Tohidi, B.
The 5th International Conference on Gas Hydrates, Trondheim, Norway, June 13-16 (2005).
abstract

117.

Experimental Measurement and Thermodynamic Modeling of Phase Behaviour of Hydrogen Sulphide+Water System at Low Temperatures
Chapoy, A., Valtz, A., Richon, D., Mohammadi, A.H., and Tohidi, B.
The 5th International Conference on Gas Hydrates, Trondheim, Norway, June 13-16 (2005).
abstract

116.

Anti-Agglomerant and Synergism Effect of Quarternary Ammonium Zwitterions
Arjmandi, M., Ren, S., and Tohidi, B.
The 5th International Conference on Gas Hydrates, Trondheim, Norway, June 13-16 (2005).
abstract

115.

Capillary Pressure Controlled Methane Hydrate Growth and Dissociation Hysteresis in Narrow Interconnected Pores
Anderson, R., and Tohidi, B.
The 5th International Conference on Gas Hydrates, Trondheim, Norway, June 13-16 (2005).
abstract

114.

Water Content Measurement and Modeling in the Nitrogen+Water System
Mohammadi, A.H., Chapoy, A., Tohidi, B., and Richon, D.
Journal of Chemical & Engineering Data, 50, 541-545 (2005).
abstract

113.

Estimating the Hydrate Stability Zone in the Presence of Salts and/or Organic Inhibitors Using Water Partial Pressure
Masoudi, R., and Tohidi, B.
Journal of Petroleum Science and Engineering, 46, 23-36 (2005).
abstract

112.

Is Subcooling the Right Driving Force for Testing Low Dosage Hydrate Inhibitors?
Arjmandi, M., Tohidi, B., Danesh, A., and Todd, A.C.
Chemical Engineering Science, 60, 1313-1321 (2005).
abstract

111.

Carbon Monoxide Clathrate Hydrates: Experimental Equilibrium Data and Thermodynamic Modeling
Mohammadi, A.H., Anderson, R., and Tohidi, B.
AIChE Journal, 51(10), 2825-2833 (2005).
abstract

110.

Gas Hydrates: Challenges and Opportunities to Iran's Gas/Oil Industry?
Masoudi, R., and Tohidi, B.
The 12th Iranian Researchers Conference in Europe (12th IRCE), University of Manchester Institute of Science and Technology (UMIST), Manchester, UK, 3-4 July (2004).
abstract - the full paper is not available for this article.

109.

Solubility Measurement and Modeling for the System Propane"Water from 277.62 to 368.16 K
Chapoy, A., Mokraoui, S., Valtz, A., Richon, D., Mohammadi, A.H., and Tohidi, B.
Fluid Phase Equilibria, 226, 213-220 (2004).
abstract

108.

Gas Hydrates: Frozen Methane - Friend or Foe?
Tohidi, B., and Anderson, R.
Teaching Earth Sciences, 29, 18-21 (2004).
abstract

107.

Experimental Measurement and Thermodynamic Modeling of Water Content in Methane and Ethane Systems
Mohammadi, A.H., Chapoy, A., Richon, D., and Tohidi, B.
Industrial & Engineering Chemistry Research, 43, 7148-7162 (2004).
abstract

106.

A Semiempirical Approach for Estimating the Water Content of Natural Gases
Mohammadi, A.H., Chapoy, A., Tohidi, B., and Richon, D.
Industrial & Engineering Chemistry Research, 43, 7137-7147 (2004).
abstract

105.

Measurements and Thermodynamic Modeling of Vapor-Liquid Equilibria in Ethane-Water Systems from 274.26 to 343.08 K
Mohammadi, A.H., Chapoy, A., Tohidi, B., and Richon, D.
Industrial & Engineering Chemistry Research, 43, 5418-5424 (2004).
abstract

104.

Measurement and Modeling of Gas Solubility and Literature Review of the Properties for the Carbon Dioxide-Water System
Chapoy, A., Mohammadi, A.H., Chareton, A., Tohidi, B., and Richon, D.
Industrial & Engineering Chemistry Research, 43, 1794-1802 (2004).
abstract

103.

Gas Solubility Measurement and Modeling for the Nitrogen plus Water System from 274.18 K to 363.02 K
Chapoy, A., Mohammadi, A.H., Tohidi, B., and Richon, D.
Journal of Chemical and Engineering Data, 49, 1110-1115 (2004).
abstract

102.

Gas Solubility Measurement and Modeling for Methane-Water and Methane-Ethane-n-Butane-Water Systems at Low Temperature Conditions
Chapoy, A., Mohammadi, A.H., Richon, D., and Tohidi, B.
Fluid Phase Equilibria, 220, 113-121 (2004).
abstract

101.

Micro and Macro-Scale Investigation of Cementing Characteristics of Gas Hydrates
Yang, J., Tohidi, B., and Clennell, B.
AAPG Hedberg Research Conference: Natural Gas Hydrates - Energy Resource Potentail and Associated Geologic Hazards, Vancouver, Canada, 12-16 September (2004).
abstract - the full paper is not available for this article.

100.

Methane Hydrate Growth and Dissociation Hysteresis in Narrow Liquid Undersaturated Pores
Anderson, R., Llamedo, M., and Tohidi, B.
32nd International Geological Congress, Florence, Italy, 20 - 28 August (2004).
abstract - the full paper is not available for this article.

99.

Visual Observation of Hydrate Growth from Pure Water and Aqueous Salt Solutions
Anderson, R., Llamedo, M., and Tohidi, B.
32nd International Geological Congress, Florence, Italy, 20 - 28 August (2004).
abstract - the full paper is not available for this article.

98.

Thermodynamic Prediction of Clathrate Hydrate Dissociation Conditions in Mesoporous Media
Llamedo, M., Anderson, R., and Tohidi, B.
American Mineralogist, 89, 1264-1270 (2004).
abstract

97.

Sediment Geomechanical Response to Hydrate Dissociation by Depressurisation: An Experimental Study
Yang, J., Marinakis, D., and Tohidi, B.
European Geosciences Union 1st General Assembly, Nice, France, 25 - 30 April (2004).
abstract - the full paper is not available for this article.

96.

Experimental Investigation of methane Hydrate Growth and Dissociation Hysteresis in Narrow Pores
Anderson, R., Llamedo, M., and Tohidi, B.
European Geosciences Union 1st General Assembly, Nice, France, 25 - 30 April (2004).
abstract - the full paper is not available for this article.

95.

Experimental Measurement and Thermodynamic Modelling of Clathrate Hydrate Equilibria and Salt Solubility in Aqueous Ethylene Glycol and Electrolyte Solutions
Masoudi, R., Tohidi, B., Anderson, R., Burgass, R.W., and Yang, J.H.
Fluid Phase Equilibria, 219, 157-163 (2004).
abstract

94.

Experimental Investigation of Marine Gas Hydrate Formation and Production
Tohidi, B., Clennell, B., Yang, J., and Llamedo, M.
AAPG Annual Meeting and Exhibition, Dallas, Texas, U.S.A., 18-21 April (2004).
abstract - the full paper is not available for this article.

93.

Gas Hydrate Studies Using High Pressure Glass Micromodels
Tohidi, B., Clennell, B., Anderson, R., and Yang, J.
AAPG Annual Meeting and Exhibition, Dallas, Texas, U.S.A., 18-21 April (2004).
abstract - the full paper is not available for this article.

92.

Measurement and Prediction of Salt Formation in the Presence of Hydrate Organic Inhibitors
Masoudi, R., Tohidi, B., Danesh, A., Todd, A.C., and Yang, J.
SPE 87468, 6th International Symposium on Oilfield Scale, Aberdeen, UK, 26-27 May (2004).
abstract

91.

Wax Phase Equilibria: Developing a Thermodynamic Model Using a Systematic Approach
Ji, H., Tohidi, B., Danesh, A., and Todd, A.C.
Fluid Phase Equilibria, 216, 201-217 (2004).
abstract

90.

Flow Assurance Research at Heriot-Watt University
Tohidi, B., Danesh, A., Todd, A.C., Anderson, R., Burgass, R., Arjmandi, M., Masoudi, R., Ji, H., Mohammadi, A., Yang, J., Ren, S., Zain, Z., Mali, G., and Jadhawar, P.
DTI IOR Research Dissemination Seminar, Aberdeen, UK, 24 June (2004).
abstract - the full paper is not available for this article.

89.

Gas Hydrates: Friend or Foe?
Tohidi, B., Danesh, A., Todd, A.C., Anderson, R., Burgass, R., Arjmandi, M., Masoudi, R., Ji, H., Mohammadi, A., Yang, J., Ren, S., Zain, Z., Mali, G., and Jadhawar, P.
DTI IOR Research Dissemination Seminar, Aberdeen, UK, 24 June (2004).
- The abstract and full paper are not available for this article.

88.

A Review of Clathrate Hydrate Research at Heriot-Watt University
Tohidi, B., Anderson, R., Masoudi, R., Arjamandi, M., Burgass, R., and Yang, J.
Russian Chemical Journal, 47, 49-58 (2003). Available in Russian and English.
abstract

87.

Flow Assurance: Micro- and Macro-Scale Evaluation of Low Dosage Hydrate Inhibitors
Tohidi, B., Danesh, A., Todd, A.C., Yang, J., Ren, S.R., Arjmandi, M., Burgass, R.W., Carnegie, E., Anderson, R., Biderkab, A.-B., and Zain, Z.
UK DTI IOR Seminar, Aberdeen, Scotland, UK, 24 June (2003).
abstract

86.

Reducing the Risks of Solid Deposition by using Internal Pipeline Coating
Burgass, R.W., and Tohidi, B.
15th International Conference on Pipeline Protection, Aachen, Germany, 29-31 October (2003).
abstract

85.

Gas Hydrates in the Caspian Sea: Their Potential Importance to Iran's Exploration Activities
Tohidi, B.
12th International Oil, Gas and Petrochemical Congress, Tehran, Iran, 24-26 February (2003).
abstract - a full paper is not available for this article.

84.

Experimental Investigation of Gas Hydrate Formation and Dissociation in Unconsolidated Porous Media
Yang, J., Llamedo, M., and Tohidi, B.
AGU/EUG/EGS Meeting, Nice, 6-11 April, (2003).
abstract - the full paper is not available for this article.

83.

Application of Glass Micromodel in Testing and Evaluation of Kinetic Hydrate Inhibitors
Yang, J., Ren, S.R., Arjmandi, M., and Tohidi, B.
Offshore Mediterranean Conference, Ravenna, Italy, March 26-28 (2003).
abstract

82.

Progess in Design and Assessment of Low Dosage Hydrate Inhibitors
Arjmandi, M., Ren, S.R., Tohid, B.
Offshore Mediterranean Conference, Ravenna, Italy, March 26-28 (2003).
abstract

81.

A New Approach in Modelling Phase Equilibria and Gas Solubility in Electrolyte Solutions and its Applications to Gas Hydrates
Masoudi, R., Tohidi, B., Danesh, A., and Todd, A.C.
Fluid Phase Equilibria, 215, 163-174 (2003).
abstract

80.

Extension of the Valderrama-Patel-Teja Equation of State Modelling Single and Mixed Electrolyte Solutions
Masoudi, R., Arjmandi, M., and Tohidi, B.
Chemical Engineering Science, 58, 1743-1749 (2003).
abstract

79.

Avoiding Gas Hydrate Problems in Deepwater Operations
Ren, S.R., Biderkab, A.-B., Armandi, M., Yang, J., and Tohidi, B.
BHR Group Multiphase Technology, San Remo, Italy, 11-13 June, (2003).
abstract

78.

Equilibrium Data and Thermodynamic Modeling of Nitrogen, Oxygen and Air Clathrate Hydrates
Mohammadi, A.H., Tohidi, B., and Burgass, R.
Journal of Chemical and Engineering Data, 48 , 612-616 (2003).
abstract

77.

Experimental Measurement of Methane and Carbon Dioxide Clathrate Hydrate Equilibria in Mesoporous Silica
Anderson, R., Llamedo, M., Tohidi, B. and Burgass, R.
Journal of Physical Chemistry B, 107, 3507-3514 (2003).
abstract

76.

Characteristics of Clathrate Hydrate Equilibria in Mesopores and Interpretation of Experimental Data
Anderson, R., Llamedo, M., Tohidi, B. and Burgass, R.
Journal of Physical Chemistry B,107, 3500-3506 (2003).
abstract

75.

Hydrate Phase Equilibria in Porous Media: Effect of Pore Size and Salinity
Ostergaard, K.K., Anderson, R., Llamedo, M., and Tohidi, B.
Terra Nova, 14(5), 307-312 (2002).
abstract

74.

A Quasi Steady-State Model for the Dissociation of Gas Hydrates in Pipelines
Kofoed, E.E., Østergaard, K. K., and Tohidi, B.
4th International Conference on Gas Hydrates, Yokohama, Japan, 19-23 May (2002).
abstract

73.

Gas Hydrate Risks during WAG Injection Operations: Numerical Simulation and Micromodel Experiments
Bashir, A., Harfoushian, H.J., Tohidi, B. and Anderson, R.
4th International Conference on Gas Hydrates, Yokohama, Japan, 19-23 May (2002).
abstract

72.

Application of High Pressure Glass Micromodels to Gas Hydrates Studies
Tohidi, B., Anderson, R., Clennell, B., Yang, J., Bashir, A. and Burgass, R.
4th International Conference on Gas Hydrates, Yokohama, Japan, 19-23 May (2002).
abstract

71.

Design and Testing of Low Dosage Hydrate Inhibitors
Arjamandi, M., Shao-Ran, R., Yang, J. and Tohidi, B.
4th International Conference on Gas Hydrates, Yokohama, Japan, 19-23 May (2002).
abstract

70.

A Correlation for Predicting the Hydrate Stability Zone in the Presence of Ice
Østergaard, K. K. and Tohidi, B.
4th International Conference on Gas Hydrates, Yokohama, Japan, 19-23 May (2002).
abstract

69.

Application of Quartz Crystal Microbalance to Gas Hydrate Stability Zone Measurements
Burgass, R., Tohidi, B., Danesh, A. and Todd, A.C.
4th International Conference on Gas Hydrates, Yokohama, Japan, 19-23 May (2002).
abstract

68.

Can Gas Hydrates Solve the Mysteries of Lake Vostok?
Anderson, R., Tohidi, B. and Motaghi, S.
4th International Conference on Gas Hydrates, Yokohama, Japan, 19-23 May (2002).
abstract

67.

Can 2-Propanol Form Clathrate Hydrates?
Østergaard, K. K., Tohidi, B., Anderson, R., Todd, A.C., and Danesh, A.
Industrial and Engineering Chemistry Research, 41, 2064-2068 (2002).
abstract

66.

Gas Hydrates in Offshore Production and Drilling
Tohidi, B., Danesh, A., Todd, A. C., Østergaard, K. K., Burgass, R. W., Anderson, R., Yang, J.-H., Ren, S.-R., Arjamandi, M., Reid, A., Ji, H.Y., and Massoudi, R.
DTI IOR Seminar, 26th June, London, UK (2001).
abstract

65.

Hydrate Stability Zone in Porous Media, Experimental Measurement and Thermodynamic Modelling
Tohidi, B., Anderson, R., Østergaard, K. K., Llamedo, M., and Burgass, R.
The Geological Society of London and Geological Society of America Conference on Earth System Processes, Edinburgh, UK, 24-28 June (2001).
- the abstract and full paper are not available for this article.

64.

Application of Glass Micromodels to Gas Hydrate Formation and Dissociation in Porous Media
Tohidi, B., Clennell, B., Anderson, R., Biderkab, A.-B., and Burgass, R.
Geological Society of London and Geological Society of America Conference on Earth System Processes, Edinburgh, UK, 24-28 June (2001).
- the abstract and full paper are not available for this article.

63.

Visual Observation of Gas Hydrate Formation in Glass Micromodels
Anderson, R., Biderkab, A.-B., Tohidi, B.,and Clennell, B.
63rd EAGE Conference and Exhibition, Amsterdam, The Netherlands, 11-15 June (2001).
abstract

62.

Modelling of Hydrate Phase Equilibria in Porous Media
Østergaard, K.K., Llamedo, M., and Tohidi, B.
63rd EAGE Conference and Exhibition, Amsterdam, The Netherlands, 11-15 June (2001).
abstract - the full paper is not available for this article.

61.

Experimental Measurement of Gas Hydrate Stability Zones in Porous Media
Anderson, R., Burgass, R.W., Tohidi, B., and Østergaard, K.K.
63rd EAGE Conference and Exhibition, Amsterdam, The Netherlands, 11-15 June (2001).
abstract - the full paper is not available for this article.

60.

Effect of Salinity on Hydrate Phase Equilibria in Porous Media
Østergaard, K.K., Llamedo, M., Tohidi, B., and Anderson, R.
EUG XI Meeting, Strasbourg, France, 8-12 April (2001).
abstract - the full paper is not available for this article.

59.

Gas Hydrates in Porous Media: A Visual Investigation Using Glass Micromodels
Anderson, R., Biderkab, A.-B., Tohidi, B., Burgass, R. W., and Østergaard, K.K.
9th EAGE Annual Research Review, Edinburgh, UK, 14 February (2001).
abstract - the full paper is not available for this article.

58.

Effect of Fluid Saturation on the Hydrate Stability Zone in Porous Media
Llamedo, M., Østergaard, K.K., Tohidi, B., Anderson, R., and Burgass, R.W.
9th EAGE Annual Research Review, Edinburgh, UK, 14 February (2001).
abstract - the full paper is not available for this article.

57.

Gas Hydrates - Challenges and Opportunities
Østergaard, K.K., Tohidi, B., Burgass, R.W., Danesh, A., and Todd, A.C.
Set for Britain: Britain's Younger Engineers 2000, House of Commons, London, 4 December (2000).
abstract - the full paper is not available for this article.

56.

Visual Observation of Gas Hydrate Formation and Dissociation in Glass Micromodels
Tohidi, B., Anderson, R., Clennell, B., Burgass, R.W., and Biderkab, A.-B.
Geology, 29(9), 867-870 (2001).
abstract

55.

Hydrate Equilibrium Data of Multi-Component Systems in the Presence of Structure-II and Structure-H Heavy Hydrate Formers
Østergaard, K.K., Tohidi, B., Burgass, R.W., Danesh, A., and Todd, A.C.
Journal of Chemical and Engineering Data, 46(3), 703-708 (2001).
abstract

54.

Global Warning: A Review of the Options for CO2 Disposal
Tohidi, B., and Llamedo, M.
4th International Chemical Engineering Congress, Shiraz, Iran, 24-27 April (2000).
abstract

53.

On Hydrate Equilibria in Porous Media
Østergaard, K.K., Llamedo, M.B., and Burgass, R.W.
AGU 2000 Fall Meeting, San Francisco, California, USA, 15-19 December (2000).
abstract - the full paper is not available for this article.

52.

Hydrate Phase Equilibria of a Near Critical Fluid - Effect of Formation Water, Methanol and Physical Separation
Østergaard, K.K., Tohidi, B., Burgass, R.W., Danesh, A., and Todd, A. C.
AIChE Journal, 47(7), 1683-1688 (2001).
abstract

51.

Structure-H Gas Hydrates in Petroleum Reservoir Fluids
Tohidi, B., Østergaard, K.K., Danesh, A., Todd, A.C., and Burgass, R.W.
Canadian Journal of Chemical Engineering, 79, 384-391 (2001).
abstract

50.

Gas Hydrates in Offshore Production and Drilling. 1999-2002 Programme
Tohidi, B., Danesh, A., Todd, A.C., Østergaard, K.K., Burgass, R.W., and Reid, A.
DTI IOR Seminar, 23 June, London, UK (2000).
abstract

49.

Measuring Hydrate Phase Boundary in Porous Media
Tohidi, B., Østergaard, K.K., Llamedo, M., and Burgass, R.W.
6th International Conference Gas in Marine Sediments, 5-9 September, St Petersburg, Russia (2000).
abstract - the full paper is not available for this article.

48.

Gas Hydrates in the Porous Media
Llamedo, M., Tohidi, B., Østergaard, K.K., and Burgass, R.W.
8th Annual EAGE Research Review, Edinburgh, UK, 16 February (2000).
abstract - the full paper is not available for this article.

47.

Gas Hydrate Equilibria of 2,3-Dimethylbutane and Benzene with Methane and Nitrogen
Østergaard, K.K., Tohidi, B., Danesh, A., Todd, A.C., and Burgass, R.W.
Chemical Engineering Research and Design, 78(A5), 731-737 (2000).
abstract

46.

Equilibrium Data and Thermodynamic Modelling of Isopentane and 2,2-Dimethylpentane Hydrates
Østergaard, K.K., Tohidi, B., Danesh, A., Burgass, R.W., and Todd, A.C.
Fluid Phase Equilibria, 169, 101-115 (2000).
abstract

45.

A Novel Approach for Oil and Gas Separation by Utilising Gas Hydrate Technology
Østergaard, K.K., Tohidi, B., Danesh, A., Burgass, R.W., Todd, A.C., and Baxter, T.
Annals of the New York Academy of Sciences, 912, 832-842 (2000).
abstract

44.

A Consistent Thermodynamic Model for Predicting Combined Wax-Hydrate in Petroleum Reservoir Fluids
Tabatabaei, A.R., Danesh, A., Tohidi, B., and Todd, A.C.
Annals of the New York Academy of Sciences, 912, 411-419 (2000).
abstract

43.

Gas Hydrates and Offshore Drilling: Predicting the Hydrate Free Zone
Østergaard, K.K., Tohidi, B., Danesh, A., and Todd, A.C.
Annals of the New York Academy of Sciences, 912, 924-931 (2000).
abstract

42.

Improving the Accuracy of Gas Hydrate Dissociation Point Measurements
Tohidi, B., Burgass, R.W., Danesh, A., Todd, A.C., and Østergaard, K.K.
Annals of the New York Academy of Sciences, 912 (2000).
abstract

41.

A General Correlation for Predicting the Hydrate Free Zone of Reservoir Fluids
Østergaard, K.K., Danesh, A., Tohidi, B., Todd, A.C., and Burgass, R.W.
SPE Production and Facilities, 15(4), 228-233 (2000).
abstract

40.

Effect of Reservoir Fluid Production on Gas Hydrate Phase Boundaries
Østergaard, K.K., Danesh, A., Tohidi, B., Todd, A.C., and Burgass, R.W.
SPE 50689, EUROPEC98, 20-22 October, The Hague, The Netherlands (1998).
abstract

39.

Advances in Experiments and Computer Modelling Software to Simulate Hydrate Formation with Respect to Salts and Inhibitors
Østergaard, K.K., Burgass, R.W., Tohidi, B., Danesh, A., and Todd, A.C.
Practicalities of Predicting, Preventing and Controlling Waxes, Hydrates and Asphaltenes, Aberdeen, UK, 17-18 June (1998).
abstract

38.

Structure-H Gas Hydrates in Natural Environment
Tohidi, B., Østergaard, K.K., Danesh, A., and Todd, A.C.
Geoscience-98, Gas Hydrates: Resource? Hazard? Origin?, Keele University, Keele, UK, 14-18 April (1998).
abstract - the full paper is not available for this article.

37.

Avoiding Gas Hydrate Problems, Case Studies
Tohidi, B., Danesh, A., and Todd, A.C.
3rd National Conference on Chemical Engineering, Iran University of Petroleum, Ahwaz, Iran, March (1998).
abstract

36.

Significance of Structure-H Hydrates in Petroleum Exploration and Transportation
Østergaard, K.K., Tohidi, B., Danesh, A., and Todd, A.C.
EAGE 6th Annual Research Review, Edinburgh, UK, 18 February (1998).
abstract - the full paper is not available for this article.

35.

Equilibrium Data and Thermodynamic Modelling of Cyclopentane and Neopentane Hydrates
Tohidi, B., Danesh, A., Todd, A.C., Burgass, R.W., and Østergaard, K.K.
Fluid Phase Equilibria, 138, 241-250 (1997).
abstract

34.

Application of a Thermodynamic Model in Avoiding Hydrate Problems, Case Studies
Tohidi, B., Danesh, A., and Todd, A.C.
2nd International Conference on Controlling Hydrates, Waxes and Asphaltenes, Aberdeen, UK, 20-21 October (1997).
abstract

33.

Vapour-Hydrate Equilibrium Ratio Charts for Heavy Hydrocarbon Compounds, Part-1 Structure-II Hydrates: Benzene, Cyclopentane, Cyclohexane and Neopentane
Tohidi, B., Danesh, A., Tabatabaei, A.R., and Todd, A. C.
Industrial and Engineering Chemistry Research, 36(7), 2871-2874 (1997).
abstract

32.

On the Mechanism of Gas Hydrate Formation in Subsea Sediments
Tohidi, B., Danesh, A., and Todd, A.C.
Abstract of Papers of the American Chemical Society, 213, 37-Fuel (1997).
abstract

31.

Hydrate Formation and Control
Tohidi, B., Danesh, A, and Todd, A.C.
Knowledge Transfer Forum, Heriot-Watt University, Edinburgh, UK, 24 April (1997).
abstract

30.

Predicting Pipeline Hydrate Formation
Tohidi, B., Danesh, A., Todd, A.C.
The Chemical Engineer, 642, 32-37 (1997).
abstract

29.

Gas Hydrates - Implications on the Petroleum Industry
EAGE 5th Annual Research Review, Edinburgh, 19 February (1997).
abstract - the full paper is not available for this article.

28.

Hydrate Free Zone for Synthetic and Real Reservoir Fluids in the Presence of Saline Water
Tohidi, B., Danesh, A., Todd, A.C., and Burgass, R.W.
Chemical Engineering Science, 52(19) 3257-3263 (1997).
abstract

27.

Equilibrium Data and Thermodynamic Modelling of Cyclohexane Gas Hydrates
Tohidi, B., Danesh, A., Burgass, R.W., and Todd, A.C.
Chemical Engineering Science, 51(1), 159-163 (1996).
abstract

26.

Effect of Heavy Hydrate Formers on the Hydrate Free Zone of Real Reservoir Fluids
Tohidi, B., Danesh, A., Burgass, R.W., and Todd, A.C.
SPE35568, European Production Operations Conference, Stavanger, Norway, 16-17 April (1996).
abstract

25.

Measurement and Prediction of Hydrate Phase Equilibria for Reservoir Fluids
Tohidi, B., Danesh, A., Todd, A.C., and Burgass, R.W.
SPE Production and Facilities, 69-76, May (1996).
abstract

24.

Hydrate Equilibrium Data and Thermodynamic Modelling of Methylcyclopentane and Methylcyclohexane
Tohidi, B., Danesh, A., Burgass, R.W., and Todd, A.C.
The 2nd International Conference on Gas Hydrates, Toulouse, France, 2-6 June (1996).
abstract

23.

The Kinetics of Structure-H Hydrate Formation, Experimental Data and Modelling
Tohidi, B., Danesh, A., Østergaard, K.K., and Todd, A.C.
The 2nd International Conference on Gas Hydrates, Toulouse, France, 2-6 June (1996).
abstract

22.

Laboratory View of Hydrate Formation
Tohidi, B., Danesh, A., and Todd, A.C.
IChemE SONG Conference: Waxes and Hydrates-Problems and Solutions, IChemE SONG Conference, London, 13 September (1996).
- the abstract and full paper are not available for this article.

21.

Gas Solubility and Hydrate Formation
Tohidi, B., Danesh, A., and Todd, A.C.
First MASTER Workshop, Gent, Belgium, 18-20 September (1996).
abstract - the full paper is not available for this article.

20.

Modelling Single and Mixed Electrolyte Solutions and its Applications to Gas Hydrates
Tohidi, B., Danesh, A., and Todd, A.C.
Chemical Engineering Research and Design, 73A, 464-472 (1995).
abstract

19.

Gas Solubility in Saline Water and its Effect on Hydrate Equilibria
Tohidi, B., Danesh, A., Burgass, R.W., and Todd, A.C.
5th International Offshore and Polar Engineering Conference (ISOPE-95), The Hague, The Netherlands, 11-16 June (1995)
abstract

18.

Measurement and Prediction of the Amount of Gas Hydrates
Tohidi, B., Danesh, A., Burgass, R.W., and Todd, A.C.
BHR Group Conference - Multiphase 95, Cannes, France, 7-9 June (1995).
abstract

17.

Prediction of VL and VLL Equilibria of Mixtures Containing Petroleum Reservoir Fluids and Methanol with a Cubic EoS
Avlonitis, D., Danesh, A., and Todd, A.C.
Fluid Phase Equilibria, 94, 181-216 (1994).
abstract

16.

The Determination of Kihara Potential Parameters from Gas Hydrate Data
Avlonitis, D.
Chemical Engineering Science, 49(8), 1161-1173 (1994).

15.

A Scheme for Reducing Experimental Heat Capacity Data of Gas Hydrates
Avlonitis, D.
Industrial and Engineering Chemistry Research, 33(12), 3247-3255 (1994).
abstract

14.

Hydrates Formed in Unprocessed Wellstreams
Tohidi, B., Danesh, A., Burgass, R.W., and Todd, A.C.
SPE 28478, SPE 69th Annual Conference and Exhibition, New Orleans, USA, 25-28 September (1994).
abstract

13.

Hydrate Equilibrium Data of Methyl Cyclo-Pentane with Methane or Nitrogen
Danesh, A., Tohidi, B., Burgass, R.W., and Todd. A.C.
Trans IChemE, 72A, 197-200 (1994).
abstract

12.

Phase Equilibria in the Presence of Saline Water Systems and Its Application to the Hydrate Inhibition Effect of Produced Water
Tohidi, B., Danesh, A., Burgass, R.W., and Todd, A.C.
SPE28884, The European Petroleum Conference, London, 25-27 October (1994).
abstract

11.

Experimental Study on the Causes of Disagreements in Methane Hydrate Dissociation Data
Tohidi, B., Burgass, R. W., Danesh, A. and Todd, A.C.
Annals of the New York Academy of Sciences, 715, 532-534 (1994).
abstract

10.

Benzene Can Form Gas Hydrates
Tohidi, B., Burgass, R.W., Danesh, A. and Todd, A.C.
Trans IChemE, 71A, 457-459 (1993).
abstract

9.

Measurement and Prediction of Amount and Composition of Equilibrium Phases in Heterogeneous Systems Containing Gas Hydrates
Tohidi, B., Burgass, R.W., Danesh, A. and Todd, A.C.
SPE Student Paper Contest, Aberdeen, UK, 6 September (1993).
abstract

8.

Hydrate Inhibition Effect of Produced Water, Part-1. Ethane and Propane Simple Gas Hydrates
Tohidi, B., Burgass, R.W., Danesh, A. and Todd, A.C.
SPE Offshore Europe 93, Aberdeen, UK, 7-10 September (1993).
abstract

7.

Gas Hydrates, Problem or Source of Energy
Tohidi, B., Burgass, R.W., Danesh, A. and Todd, A.C.
International Non-Renewable Energy Sources Congress, Tehran, Iran, 26-30 December (1993).
abstract

6.

Gas Hydrates Modelling, Effect of Gas Solubility in Saline Water
Tohidi, B., Burgass, R.W., Danesh, A. and Todd, A.C.
International Non-Renewable Energy Sources Congress, Tehran, Iran, 26-30 December (1993).
abstract

5.

Gas Hydrate Formation and Inhibition Prediction
Tohidi, B., Burgass, R.W., Danesh, A. and Todd, A.C.
IChemE SONG Conference: Hydrate 92, London, 24 June (1992).
abstract

4.

A Rigorous Method for the Prediction of Gas Hydrate Inhibition by Methanol in Multi-Component Systems
Avlonitis, D.A., Todd, A.C., and Danesh, A.
First International Offshore and Polar Engineering Conference, Edinburgh (1991).
abstract

3.

The Heterogeneous Equilibria Calculations for Multicomponent Hydrate Forming Systems
Avlonitis, D.A., Danesh, A., and Todd, A.C.
AIChE Spring National Meeting, Houston (1991).
abstract

2.

The Formation of Hydrate in Oil-Water Systems
Avlonitis, D.A., Danesh, A., Todd, A.C., and Baxter, T.
4th International Conference on Multiphase Flow, Nice (1989).
abstract

1.

Measurement and Prediction of Hydrate Dissociation Pressure of Oil-Gas Systems
Avlonitis, D. A., Danesh, A., and Todd, A.C.
Proceedings of Hydrate Seminar, Cranfield (1988).
abstract