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For methane hydrate production, it is essential to understand the mechanical behaviour related to safety and efficiency. Plane strain compression tests were carried out to investigate the macro and micro behaviour of both the MH-bearing sand and the host sand. It was found that whilst there were no clear peak stress ratios in the TC results, the PSC results showed a marked increase in the peak stress...
A high-pressure low-temperature plane strain testing apparatus was developed for visualizing the deformation of methane hydrate-bearing sand due to methane hydrate production. Using this testing apparatus, plane strain compression tests were performed on pure Toyoura sand and methane hydrate-bearing sand with localized deformation measurements. From the results, it was observed that the methane hydrate-free...
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