{"id":271,"date":"2026-09-01T13:24:03","date_gmt":"2026-09-01T03:24:03","guid":{"rendered":"https:\/\/wp.csiro.au\/ghgt-18\/?p=271"},"modified":"2026-09-11T13:19:48","modified_gmt":"2026-09-11T03:19:48","slug":"dr-davide-geremia","status":"publish","type":"post","link":"https:\/\/wp.csiro.au\/ghgt-18\/dr-davide-geremia\/","title":{"rendered":"Dr Davide Geremia"},"content":{"rendered":"\n

Oral presentation: A methodology to assess wellbore cement integrity and sealing capacity under realistic in-situ conditions in CCS<\/a><\/p>\n\n\n\n

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\"\"<\/div>

Davide Geremia<\/span><\/h2><\/a>
  • Learn more about me\u2026<\/span><\/li><\/ul><\/div><\/div><\/div><\/div><\/div><\/div><\/div>\n\n\n

    Abstract opening:<\/em>
    Understanding the interaction between CO\u2082 and wellbore cement requires robust and representative experimental methodologies, as numerous legacy and active wells have exhibited loss of integrity, evidenced by sustained casing pressure and surface gas or fluid leakage. While batch experiments on representative cement plugs are widely used and provide valuable insights into CO\u2082\u2013cement reactions of dissolution, precipitation, and carbonation, they fail to reproduce in-situ conditions, where (1) lithostatic pressure is decoupled from pore pressure and (2) pressure gradients and fluid flow govern reactive transport processes. As a result, batch tests are inadequate to determine whether cement sealing capacity is effectively preserved or compromised, highlighting the need for more realistic, flow-based experimental workflows. We are developing an experimental workflow to assess the effective sealing capacity of cement plugs under in-situ pressure and temperature conditions by coupling a core-flooding system (Green Imaging Technologies) with low field NMR spectrometry (Oxford Instruments)\u2026<\/p>\n","protected":false},"excerpt":{"rendered":"

    Tuesday October 27,\u00a04:10pm –\u00a05:50pm; Session 6G – Leakage Risks and Containment Assurance<\/p>\n","protected":false},"author":234,"featured_media":274,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"nba-redirect":"","footnotes":""},"categories":[3],"tags":[25,34],"class_list":["post-271","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-presenters","tag-ccs-economic","tag-oral-presentation"],"yoast_head":"\nCSIRO @ GHGT-18<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/wp.csiro.au\/ghgt-18\/dr-davide-geremia\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Dr Davide Geremia - CSIRO @ GHGT-18\" \/>\n<meta property=\"og:description\" content=\"Tuesday October 27,\u00a04:10pm -\u00a05:50pm; 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