视频光学接触角测量仪测试高温高压条件下岩芯与原油的接触角值。本次测试图片来源于文献《Wettability Determination of the Crude Oil-Reservoir Brine-Reservoir Rock System with Dissolution of CO2 at High Pressures and Elevated Temperatures》（Energy & Fuels 2008, 22, 2362–2371）。