EFFECTS OF THE DEVIATION ANGLE OF THE BOREHOLE IN THE INDUCTION ANISOTROPY LOGS

PR de Carvalho, C Régis, V da Silva - Brazilian Journal of Geophysics, 2018 - sbgf.org.br
This paper performs an analysis of the effects of the well's deviated angle on the tensor
triaxial induction tool signals within a thinly sand-shale laminated reservoirs and their …

Analysis of some old unexplained effects in induction logs within anisotropic formations with the electromagnetic triaxial induction tool

PR de Carvalho, CRT Régis - … of the Brazilian Geophysical Society & …, 2017 - library.seg.org
In this paper, we model coaxial and coplanar vertical logs in one-dimensional (1D)
laminated packages and in their equivalent anisotropic beds, neglecting the presence of the …

Magnetic Point Dipole versus Finite-size Circular Loop Models in Coaxial and Coplanar Two Coil Arrays in Induction Tools

PR Carvalho, CRT Régis… - … International Congress of …, 2011 - library.seg.org
Until about ten years ago, all commercial borehole induction devices were built up with the
traditional coaxial coil arrays. The more recent tools often include the unconventional …