PGS uses a very efficient AVO/AVA workflow that allows for the rapid evaluation of prospectivity over large datasets. The elastic attributes calculated are routinely used as a first step in de-risking prospectivity using pre-stack seismic data.
Based on angle stacks or PSTM/PSDM gathers, we derive a number of AVO/AVA attributes from the seismic data. Some examples of the extracted attributes are:
PGS' unique workflow, Prospect Scanner, is an effective AVO tool for detecting lithology/fluid anomalies. The workflow combines seismic AVO analysis and inversion technology and derives relative elastic property attributes (P and S wave impedance & Vp/Vs ratio). The workflow manages the inversion of large seismic volumes, making it an excellent regional lithology/fluid screening tool.
Prospect Scanner can:
The workflow is further enhanced by employing a true amplitude preservation processing sequence (pre-stack time and depth).