Water-bearing goaves are one of the main causes for water inrush accidents in Chinese
coal mines. At present, both the surface and subsurface geophysical technologies cannot …

Electrically conductive fluid injected during the operation of hydraulic fracturing can be
mapped by anomalous electromagnetic (EM) fields under the excitation of controlled EM …

In electromagnetic (EM) well logging for petroleum exploration, off-centered tools within a
noncircular borehole and invasion zones in multilayered media represent a challenging 3-D …

The characterization of hydraulic fractures is crucial for fracturing evaluation and strategy
optimization. Low-frequency electromagnetic triaxial induction measurement is a promising …

Electromagnetic modeling of triaxial induction responses in fractured formation is of growing
importance in well-logging applications. Usually, fractures have a tiny thickness in a scale …

Hydraulic fracturing technology can effectively improve the seepage capacity of low-porosity
and-permeability reservoirs. Geometric parameters evaluation (height, aperture and length) …

The majority of previous studies of induction logging in fractured formations have typically
focused on the variation in spatial resistivity distribution around the wellbore. However, the …

The numerical mode matching (NMM) method is a widely used semianalytical approach for
modeling the propagation of electromagnetic (EM) waves in orthogonal-plano-cylindrically …

Accurate monitoring of hydraulic fracturing fracture morphology is of great significance to the
follow-up exploration and development work. Electromagnetic monitoring of fractures can …

Electromagnetic simulation of fractures has a growing importance in geophysical
exploration, where the formation is usually inhomogeneous and modeled as a layered …