A computer implemented method for wellsite operations, comprising: obtaining a spectral decomposition of seismic data associated with a geological formation, comprising: a first spectral representation of the seismic data generated using a first operator, and a second spectral representation of the seismic data generated using a second operator, determining a first characteristic of the first operator and a second characteristic of a second operator; selecting at least one operator size based on the first characteristic and the second characteristic; generating a geological model feature using the at least operator size; generating an extraction plan based on, in part, the geological model feature; characterized in that the first characteristic is determined by: determining a center frequency of a discretization of the first spectral representation of the seismic data, and determining a difference between the center frequency and a target frequency of the spectral decomposition, and the second characteristic of the second operator is determined by: determining a second center frequency of a second discretization of the second spectral representation of the seismic data, and determining a second difference between the second center frequency and the target frequency of the spectral decomposition. obtaining a spectral decomposition of seismic data associated with a geological formation, comprising: a first spectral representation of the seismic data generated using a first operator, and a second spectral representation of the seismic data generated using a second operator, a first spectral representation of the seismic data generated using a first operator, and a second spectral representation of the seismic data generated using a second operator, determining a first characteristic of the first operator and a second characteristic of a second operator; selecting at least one operator size based on the first characteristic and the second characteristic; generating a geological model feature using the at least operator size; generating an extraction plan based on, in part, the geological model feature; characterized in that the first characteristic is determined by: determining a center frequency of a discretization of the first spectral representation of the seismic data, and determining a difference between the center frequency and a target frequency of the spectral decomposition, determining a center frequency of a discretization of the first spectral representation of the seismic data, and determining a difference between the center frequency and a target frequency of the spectral decomposition, and the second characteristic of the second operator is determined by: determining a second center frequency of a second discretization of the second spectral representation of the seismic data, and determining a second difference between the second center frequency and the target frequency of the spectral decomposition. determining a second center frequency of a second discretization of the second spectral representation of the seismic data, and determining a second difference between the second center frequency and the target frequency of the spectral decomposition. <EOS>