Please use this identifier to cite or link to this item: http://scholarbank.nus.edu.sg/handle/10635/138204
Title: METHANE HYDRATE FORMATION AND DISSOCIATION IN POROUS MEDIA
Authors: CHONG ZHENG RONG
ORCID iD:   orcid.org/0000-0001-9195-6195
Keywords: methane hydrate, gas hydrate, natural gas, unconventional energy, energy recovery, hydrate bearing sediment
Issue Date: 24-Aug-2017
Source: CHONG ZHENG RONG (2017-08-24). METHANE HYDRATE FORMATION AND DISSOCIATION IN POROUS MEDIA. ScholarBank@NUS Repository.
Abstract: Natural gas hydrate is a potential source of energy for the future. However, the understanding as to how hydrates are formed in porous media and how gas and water are produced from hydrate bearing sediment is limited. In this thesis, the formation and dissociation kinetics of methane hydrates under conditions similar to the naturally occurring hydrates are experimentally investigated. In the first part of the thesis, the effects of salts and sand sizes on methane hydrate formation and dissociation were investigated in an excess gas environment. In the second part of the thesis, a fine-tuned experimental procedure was developed to produce consistent water saturated hydrate bearing sediments, enabling the comparison of gas/water production under both thermal stimulation and depressurization approaches. In both studies, clear interdependence between gas and water production was observed. This thesis provided valuable insights on the formation and dissociation behavior of methane hydrate in porous media.
URI: http://scholarbank.nus.edu.sg/handle/10635/138204
Appears in Collections:Ph.D Theses (Open)

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