1. Nair, V. C., Gupta, P., Sangwai, J. S., 2019, System and method for recovering energy or minerals from a reservoir, India, Patent number. 201941016768, Filed (26/04/2019)

Book chapter

1. Nair V. C., Gupta P., Sangwai J. S., Gas Hydrates as a Potential Energy Resource for Energy Sustainability. In: De S., Bandyopadhyay S., Assadi M., Mukherjee D. (eds) Sustainable Energy Technology and Policies. Green Energy and Technology, Springer, Singapore, 1, 265-287, 2018.

Peer-reviewed Journals

1. Nair, V. C., Prasad, S. K., Sangwai, J. S. Characterization and rheology of Krishna-Godavari basin sediments, Marine and Petroleum Geology (Elsevier, Impact factor: 3.538), 110, 275-286, 2019.
2. Nair, V. C., Gupta, P., Sangwai, J. S., Natural gas production from a marine clayey hydrate reservoir formed in seawater using depressurization at constant pressure, depressurization by constant rate gas release, thermal stimulation and their implications for real field applications, Energy and Fuels (American Chemical Society publications, Impact factor: 3.021), 33, 4, 3108-3122, 2019.
3. Gupta, P., Nair, V.C. Sangwai, J.S., Phase equilibrium of methane hydrate in aqueous solutions of polyacrylamide, xanthan gum, and guar gum, Journal of Chemical and Engineering Data, (American Chemical Society publications, Impact factor: 2.298), 64, 4, 1650-1661, 2019.
4. Nair, V. C., Prasad, S. K., Kumar, R., Sangwai, J. S., Energy recovery from simulated clayey gas hydrate reservoir using depressurization by constant rate gas release, thermal stimulation and their combinations, Applied Energy (Elsevier, Impact factor: 8.426), 225, 755-768, 2018.
5. Nair, V. C., Mech, D., Gupta, P., Sangwai, J. S., Polymer flooding in artificial hydrate bearing sediments for methane gas recovery, Energy and Fuels (American Chemical Society publications, Impact factor: 3.021), 32, 6657-6668, 2018.
6. Gupta, P., Nair, V.C. Sangwai, J.S., Phase equilibrium of methane hydrate in the presence of aqueous solutions of quaternary ammonium salts, Journal of Chemical and Engineering Data (American Chemical Society publications, Impact factor: 2.298), 63, 2410-2419, 2018.
7. Sakthivel, S., Velusamy, S., Nair, V. C., Sharma, T., Sangwai, J. S., Interfacial tension of crude oil-water system with imidazolium and lactam-based ionic liquids and their evaluation for enhanced oil recovery under high saline environment, Fuel, (Elsevier, Impact factor: 5.128), 191, 239-250, 2017.
8. Nair, V. C., Ramesh, S., Ramadass, G. A., Sangwai, J. S., Influence of thermal stimulation on the methane hydrate dissociation in porous media under confined reservoir, Journal of Petroleum Science and Engineering (Elsevier, Impact factor: 2.886), 147, 547-559, 2016.
9. Nair, V. C., Prasad, S. K., Kumar, R., Sangwai, J. S., High pressure rheology of methane hydrate sediment slurry using a modified couette geometry, Industrial and Engineering Chemistry Research (American Chemical Society publications, Impact factor: 3.021), In press, https://doi.org/10.1021/acs.iecr.9b04390.

International conferences:

1. Prasad, S. K., Sangwai, J. S., Mech, D., Nair, V.C., Gupta, P., Effect of high molecular weight asphaltenes on the phase stability of methane hydrates. Accepted in International Society of Offshore and Polar Engineers, ISOPE, 2018, 10-15 June, Sapporo, Japan.
2. Mech, D., Nair, V. C., Kumar, G., Sangwai, J. S., Effect of polyethylene glycol aqueous solution on methane production from an artificial hydrate reservoir. Offshore Technology Conference. 2018, 20-23 March, Kuala Lumpur, Malaysia.
3. Nair, V. C., Pandey, G., Sangwai, J. S., Methane gas production by constant rate depressurization from clayey hydrate reservoir. Ninth International Conference on Gas Hydrates, ICGH9. 2017, 25-30 June, Denver, USA.
4. Pandey, G., Nair, V. C., Linga, P., Sangwai, J. S., High pressure rheological studies of methane hydrate slurries formed from water hexane multiphase systems. Ninth International Conference on Gas Hydrates, ICGH9. 2017, 25-30 June, Denver, USA.
5. Sharma, A., Nair, V. C., Sangwai, J. S., Maximizing coal bed methane recovery using horizontal well technology and CO2 injection. International Conference on Petroleum Science and Technology, ICPST. 2014, Nov 3 – 5, Chennai, India.
6. Bhawangirkar, D. R., Nair, V. C. and Sangwai, J. S. Phase equilibria and kinetics of methane hydrate formation and dissociation in Krishna Godavari basin sediments. Fifth International Conference on Ocean Engineering, ICOE. 2019, 28 July to 1 August, Mauritius.

• Institute Research (IR) Award, IIT Madras for the excellence in research work 2019
• Science and Engineering Research Board (SERB, DST) financial grant for international travel to conference (2017)
• Awarded funding for a project that has been selected under the Innovative Projects Scheme at IIT Madras (2016)
• Awardee of MHRD Scholarship 2014-19, 2012-2014
• Silver medalist, Master of Technology (M.Tech.) – Petroleum Engineering