{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,14]],"date-time":"2026-10-14T02:22:12Z","timestamp":1791944532632,"version":"4.3.4"},"reference-count":38,"publisher":"AIP Publishing","issue":"4","funder":[{"name":"TOTAL SA","award":["n\/a"],"award-info":[{"award-number":["n\/a"]}]}],"content-domain":{"domain":["pubs.aip.org"],"crossmark-restriction":true},"short-container-title":[],"published-print":{"date-parts":[[2018,4,1]]},"abstract":"<jats:p>A conventional high-pressure\/high-temperature experimental apparatus for combined geomechanical and flow-through testing of rocks is not X-ray compatible. Additionally, current X-ray transparent systems for computed tomography (CT) of cm-sized samples are limited to design temperatures below 180 \u00b0C. We describe a novel, high-temperature (&amp;gt;400 \u00b0C), high-pressure (&amp;gt;2000 psi\/&amp;gt;13.8 MPa confining, &amp;gt;10 000 psi\/&amp;gt;68.9 MPa vertical load) triaxial core holder suitable for X-ray CT scanning. The new triaxial system permits time-lapse imaging to capture the role of effective stress on fluid distribution and porous medium mechanics. System capabilities are demonstrated using ultimate compressive strength (UCS) tests of Castlegate sandstone. In this case, flooding the porous medium with a radio-opaque gas such as krypton before and after the UCS test improves the discrimination of rock features such as fractures. The results of high-temperature tests are also presented. A Uintah Basin sample of immature oil shale is heated from room temperature to 459 \u00b0C under uniaxial compression. The sample contains kerogen that pyrolyzes as temperature rises, releasing hydrocarbons. Imaging reveals the formation of stress bands as well as the evolution and connectivity of the fracture network within the sample as a function of time.<\/jats:p>","DOI":"10.1063\/1.5030204","type":"journal-article","created":{"date-parts":[[2018,5,3]],"date-time":"2018-05-03T22:04:45Z","timestamp":1525385085000},"update-policy":"https:\/\/doi.org\/10.1063\/aip-crossmark-policy-page","source":"Crossref","is-referenced-by-count":33,"title":["An experimental platform for triaxial high-pressure\/high-temperature testing of rocks using computed tomography"],"prefix":"10.1063","volume":"89","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-8783-3096","authenticated-orcid":false,"given":"Guenther","family":"Glatz","sequence":"first","affiliation":[{"name":"Department of Energy Resources Engineering, Stanford University , 367 Panama St., Stanford, California 94305, USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Alexandre","family":"Lapene","sequence":"additional","affiliation":[{"name":"Department of Energy Resources Engineering, Stanford University , 367 Panama St., Stanford, California 94305, USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Louis M.","family":"Castanier","sequence":"additional","affiliation":[{"name":"Department of Energy Resources Engineering, Stanford University , 367 Panama St., Stanford, California 94305, USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-1336-384X","authenticated-orcid":false,"given":"Anthony R.","family":"Kovscek","sequence":"additional","affiliation":[{"name":"Department of Energy Resources Engineering, Stanford University , 367 Panama St., Stanford, California 94305, USA"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"317","published-online":{"date-parts":[[2018,4,5]]},"reference":[{"issue":"5","key":"2023070416133165700_c1","doi-asserted-by":"publisher","first-page":"441","DOI":"10.1016\/0148-9062(91)90082-W","article-title":"CT studies of brittle failure in castlegate sandstone","volume":"28","year":"1991","journal-title":"Int. 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