{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,19]],"date-time":"2026-10-19T03:23:40Z","timestamp":1792380220813,"version":"4.4.0"},"reference-count":16,"publisher":"AIP Publishing","issue":"8","content-domain":{"domain":["pubs.aip.org"],"crossmark-restriction":true},"short-container-title":[],"published-print":{"date-parts":[[2008,10,15]]},"abstract":"<jats:p>Dissociation of methane hydrate crystals in pore space caused by temperature increase or depressurization, which is one of the main concerns in developing techniques to exploit natural gases in clathrate hydrate in sediments, was observed by using a glass mimic of sediments. Hydrate crystals were formed at a system temperature of T=274.0\u2002K and system pressure of p=12.5\u2002MPa or T=279.6\u2002K and p=10.1\u2002MPa and then decomposed by increasing the system temperature to 289 or 290 K, respectively. Two experimental runs of depressurization were also conducted. Hydrate crystals formed at T=282.9\u2002K and p=10.1\u2002MPa or T=274.0\u2002K and p=12.5\u2002MPa were decomposed by depressurization to 1.7 or 0.5 MPa at a system temperature of 285.5 or 274.3 K. The glass mimic of sediments (glass micromodel) was composed of a quartz glass plate on which straight microchannels were carved and another quartz glass plate covering the microchannels. The microchannels were approximately rectangular in cross section with a top width of 1.0\u00d7102\u2002\u03bcm and were arranged in a grid pattern at regular intervals of 2.0\u00d7102\u2002\u03bcm. Methane gas released from dissociating methane hydrate crystals was commonly observed to form slugs that completely occupy the pores in all experiment runs. The mechanism of the dissociation of the methane hydrate crystals was discussed considering the heat and mass transfer of methane around the dissociating methane hydrate crystals.<\/jats:p>","DOI":"10.1063\/1.3000622","type":"journal-article","created":{"date-parts":[[2008,10,24]],"date-time":"2008-10-24T22:18:20Z","timestamp":1224886700000},"update-policy":"https:\/\/doi.org\/10.1063\/aip-crossmark-policy-page","source":"Crossref","is-referenced-by-count":74,"title":["Visual observation of dissociation of methane hydrate crystals in a glass micro model: Production and transfer of methane"],"prefix":"10.1063","volume":"104","author":[{"given":"Daisuke","family":"Katsuki","sequence":"first","affiliation":[{"name":"National Institute of Advanced Industrial Science and Technology (AIST) 1 Methane Hydrate Research Laboratory, , 2-17-2-1 Tsukisamu-Higashi, Toyohira-ku, Sapporo 062-8517, Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ryo","family":"Ohmura","sequence":"additional","affiliation":[{"name":"Keio University 2 Department of Mechanical Engineering, Faculty of Science and Technology, , Hiyoshi 3-14-1, Kohoku-ku, Yokohama 223-8522, Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Takao","family":"Ebinuma","sequence":"additional","affiliation":[{"name":"National Institute of Advanced Industrial Science and Technology (AIST) 1 Methane Hydrate Research Laboratory, , 2-17-2-1 Tsukisamu-Higashi, Toyohira-ku, Sapporo 062-8517, Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Hideo","family":"Narita","sequence":"additional","affiliation":[{"name":"National Institute of Advanced Industrial Science and Technology (AIST) 1 Methane Hydrate Research Laboratory, , 2-17-2-1 Tsukisamu-Higashi, Toyohira-ku, Sapporo 062-8517, Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"317","published-online":{"date-parts":[[2008,10,24]]},"reference":[{"key":"2023070322121340800_c1","doi-asserted-by":"publisher","first-page":"1645","DOI":"10.1016\/0009-2509(87)80169-0","volume":"42","year":"1987","journal-title":"Chem. 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