Swelling of Shales by Supercritical Carbon Dioxide and Its Relationship to Sorption
Xiang Ao, Zhilin Qi, Zuping Xiang, Zhiqiang Li, Hai Qu, Ziyi Wang
Abstract
-induced strain on shale was caused by the gas adsorption, whereas at high pressure, it was caused by gas pressure. The absolute adsorption linearly correlated with the adsorption-induced strain.
Topics & Concepts
SorptionSwellingSupercritical carbon dioxideCarbon dioxideSupercritical fluidOil shaleEnvironmental chemistryChemistryEnvironmental scienceChemical engineeringWaste managementOrganic chemistryAdsorptionEngineeringHydrocarbon exploration and reservoir analysisCoal Properties and UtilizationHydraulic Fracturing and Reservoir Analysis