Description

This dataset contains results from a pump and probe experiment conducted on a mated fracture Westerly Granite sample with a diameter of 1 inch and a height of 2 7/8 inches. The experiment was performed within an aluminum triaxial pressure vessel (TEMCO) to investigate the non-linear acoustic parameters of the sample under varying axial pressures. The confining pressure was maintained at 4 MPa, while the axial pressure was incrementally reduced from 17 MPa to 1 MPa in 1 MPa steps. 5 dynamic pressure oscillations of 0.5 MPa were applied over a 10 minute interval. The dataset includes pump controller data, linear variable differential transformer (LVDT) measurements, and acoustic data. The pump controller data tracks the confining and axial pressures, flow rates, and pump volumes. LVDT measurements provide detailed records of the axial displacement of the cell piston. Additionally, acoustic data captured by s-wave transducers is archived in a compressed file.

Resources

Format	Description	Link
47	Linear variable differential transformer (LVDT) measurement of triaxial cell piston movement. Time is in UTC format and displacement in mm.	https://gdr.openei.org/files/1627/DATA_2024-05-19_01.26.51.469_LVDT.txt
0	Archive which contains acoustic data from the s-wave transducers.	https://gdr.openei.org/files/1627/acoustic%20data%202024-05-19.7z
21	This GDR dataset includes data from a similar test, instead conducted on an intact Westerly Granite sample (no mated fracture).	https://gdr.openei.org/submissions/1626
47	Pump controller data from triaxial cell. Data columns include confining and axial pressures, flow rates, and pump volumes. File header includes units and data naming information.	https://gdr.openei.org/files/1627/DATA_2024-05-19_01.26.51.469_ISCO.txt

Utah FORGE: Pump and Probe Test on a Mated Fracture Westerly Granite Sample

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