A novel method for determining geophone orientations from zero-offset VSP data constrained by scalar field

Y Yang, Q Qi, H Zhou, Z Wang - Frontiers in Earth Science, 2022 - frontiersin.org
In vertical seismic profile (VSP) acquisition, the orientation of the three-component
geophones in a borehole is often not aligned due to random rotation of the wireline receiver …

[PDF][PDF] Anisotropy estimation of Lower Paleozoic shales from northern Poland using microseismic data

W Gajek - 2019 - researchgate.net
Downhole microseismic monitoring is a widely used tool for the assessment of hydraulic
fracturing job effectiveness. During the process of fluid injection into the reservoir, new …