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Pore Pressure Prediction Based on Borehole Acoustic Logs
  • Haider Alabdulaal
Haider Alabdulaal
Texas A&M University
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Abstract

This paper will investigate utilizing borehole acoustic logs to predict pore pressure at the borehole and how can we infer pore pressure from velocity logs. We will review common approaches to predict pore pressure at the borehole using acoustic logs. Two specific velocity to effective pressure equations will be the focus of this study: Eaton’s equation \cite{eaton:aa} and Bower’s equation \cite{bowers1995pore}. We will discuss the normal compaction trend analysis and how it could help identify overpressure zones using Eaton’s equation. In conclusion, we aim to examine the advantages and disadvantages of those methods. This paper will provide a contribution in advocating the use of borehole acoustics to infer pressure at the borehole in the absence of direct pressure measurement.