A rock physics model for hydrates bearing sediments of near surface | Zendy

Zijian Zhang | Zendy

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A rock physics model for hydrates bearing sediments of near surface

Author(s) -

Zijian Zhang

Publication year - 2008

Publication title -

citeseer x (the pennsylvania state university)

Language(s) - English

Resource type - Conference proceedings

DOI - 10.1190/1.3059393

Subject(s) - clathrate hydrate , characterisation of pore space in soil , geology , hydrate , saturation (graph theory) , sediment , drilling , permeability (electromagnetism) , mineralogy , petroleum engineering , geotechnical engineering , geomorphology , chemistry , engineering , mechanical engineering , biochemistry , mathematics , organic chemistry , combinatorics , membrane , porosity

Summary Gas hydrates presented as form of segregated bodies have been observed on shallow subsurface sediments. However, most gas hydrate physics models describe that hydrates occur in pore space in deep subsurface sediment. A new model considers gas hydrate as segregated bodies to derive elastic properties of hydrates bearing sediments and gas hydrate saturation. The predicted elastic properties based on the model are coincided with measurements of well logs in site 1327 of Integrated Ocean Drilling Program (IODP). The results show the model can be used to estimate gas hydrate saturation from seismic data of near surface.

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