Testing device and method for testing shear slip characteristics of fault in carbon sequestration site

• Main Authors: LI ZIYUN, XIE SONG, LI CHAOXIN, ZHU YUNHUI, DONG QIAN, ZHOU ZHAOYIN, LIU DONGYAN, SONG QIANGHUI, ZHAO BAOYUN, HUANG WEI, WANG PEIYONG, GOU SHUANG
• Format: Patent
• Language: Chinese; English
• Published: 29.07.2022
• Subjects: INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES; MEASURING; PHYSICS; TESTING

The invention relates to the technical field of carbon sequestration tests, in particular to a test device and method for testing the shear slip characteristic of a fault in a carbon sequestration site, and the test device comprises an SC-CO2 supply system and a rock direct shear test system, the rock direct shear test system comprises a rock press, a direct shear bin, a rock sample, a normal pressure servo control and stress displacement recording mechanism, a tangential pressure servo control and stress displacement recording mechanism, an injection pipe, a control mechanism and an acoustic emission probe, normal stress and tangential stress are applied to a rock sample through the normal pressure servo control and stress displacement recording mechanism and the tangential pressure servo control and stress displacement recording mechanism, gas in the direct shear bin is replaced with SC-CO2 through the SC-CO2 supply system, and the temperature in the direct shear bin is guaranteed through the control mechan