Particle size effect on the saturation of methane hydrate in sediments - Constrained from experimental results

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DOIResolve DOI: http://doi.org/10.1016/j.marpetgeo.2010.11.007
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TypeArticle
Journal titleMarine and Petroleum Geology
Volume30
Pages15; # of pages: 5
SubjectSediment; Particle size; Methane hydrate; Saturation; Proton relaxation; NMR
AbstractExcept for those occurring at seafloor, most of natural gas hydrate form in sediments and are subject to the influence of sediment. Among these factors, the particle size effect on hydrate saturation level in sediment have been studied with a series of silica sands with various sizes, and the results obtained clearly indicate that particle size does play an important role in affecting the saturation level of hydrate in sediments. The proton relaxation times of water confined in the same series of silica sands, which were determined with NMR measurement, show logarithmic relationship with particle size. By comprehensive consideration of the results of hydrate saturation and water proton relaxation times, the particle size effect observed is tentatively explained by the water availability for hydrate formation in sediments.
Publication date
LanguageEnglish
AffiliationNRC Steacie Institute for Molecular Sciences; National Research Council Canada
Peer reviewedYes
NPARC number17673541
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Record identifier09eee5ef-c6ec-43b1-a316-c5351a994b4e
Record created2011-04-03
Record modified2016-05-09
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