Well-ties form the basis of seismic interpretation and also allow a quantitative analysis of the seismic phase, frequency and other attributes. Good well-ties are essential for quantitative seismic workflows such as inversion and reservoir characterisation but can also aid the seismic interpreter in understanding their seismic data and the timing relationship to logs.
In this demonstration, seismic and well data is transferred from Petrel to RokDoc using the RokDoc Interconnector plug-in. Conventional wavelet estimation is performed using the frequency domain least squares method (White, 1980) along with QC measures on PEP maps, delay maps and the various statistics produced from this analysis to determine the well tie quality. The estimated wavelet and the updated depth-time conversion are transferred back to Petrel for the interpreter to continue their work.
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