Induction uses the interaction of magnetism and electricity to determine Resistivity. Spontaneous Potential (SP) Logs show the permeability of the rocks in the well by calculating the electrical ...

Residents of several counties in southeast Wyoming as well as northern Colorado can expect to see low-flying helicopters as ...

Researchers used geophysical surveying techniques; electrical resistivity tomography and passive seismic horizontal-to-vertical spectral ratio to map the deeply-weathered clay soil. The study ...