Abstract

Borehole acoustic reflection imaging has recently emerged as an important geophysical well-logging technology in hydrocarbon exploration. This technology greatly enhances the ability to image reservoir structures away from borehole. This presentation provides an overview on the advancement of this technology and its applications. The most significant advance is shear-wave reflection imaging using borehole dipole sources, whose directional aspect allows for determining striking azimuth of a geological structure. The azimuthal sensitivity of the dipole shear-wave imaging has been validated by a repeatability test using two logging runs with different orientations, and by comparing the imaging result with available borehole-wall resistivity images. This technology has also been applied to field dipole logging measurements in deviated and horizontal wells. The result shows that it can image bedding planes above and below the well, and detect vertical fractures near the well.

How to Cite:

Tang, X. ., (2019) “Advanced borehole reflection imagng and appliations”, Review of Progress in Quantitative Nondestructive Evaluation .