Editing SEG 3D Seismic Processing Working Workshop Houston 2015- Land 3D (section)

==Some final presentations ==

Bjorn Olofsson was invited to on Thursday to make a lunch and learn presentation on SEAVIEW the viewer from the [http://www.cwp.mines.edu/cwpcodes/OpenSeaSeis OpenSeaSeis package]. Seaview supports multiple seismic formats including SeaSeis, SEGY, SU, and Madagascar. Bjorn described issues related to visualization including how to handle aliasing. See [http://drive.google.com/open?id=0BzlWqJrRotPyeXdQbFdiengxUUE Bjorn’s presentation] and the [http://drive.google.com/open?id=0BzlWqJrRotPyeXdQbFdiengxUUE full distribution] of his demo.

Huang, Liau, Yu described the workshop effort to edit bad traces on the Teapot Dome survey. They used the Python API in IPython notebooks to access the data. They used the [http://docs.enthought.com/mayavi/mayavi/ Mayavi Python library] for 3D visualization. They observed three types of noise and developed a Python script to build a mask to edit one type of noise traces. The presentation is [http://drive.google.com/open?id=0BzlWqJrRotPyeUxYd1ZGdVIxb2s available here].

Merzlikin and Cvetkovic presented results using diffraction imaging and oriented filtering on the teapot dome project. They estimated a 3D dip field and used it for 3D diffraction and structure oriented smoothing. The presentation is [http://drive.google.com/open?id=0BzlWqJrRotPybkJLcV95UDFDeUU available here].

Worthy-Blackwell and Staal worked on Velocity interpolation and NMO. They interpolated the commercial velocity field using [http://docs.scipy.org/doc/scipy/reference/generated/scipy.interpolate.Rbf.html scipy.interpolate.Rbf] and applied it to a small subset of the data using sfbinint3 and sfnmo.

Yangkang Chen applied noise suppression to the post stack volume and evaluated results on output and difference volumes.

Bill Symes applied a basic processing sequence with Seismic Unix. He approximated the processing sequence in Excell’s processing report from the original processing. His sequence was tpow, decon, agc, nmo, and stack. No surface consistant decon or scaling is available in SU, so he used single trace processing. He showed incremental improvement at each stage on midpoint gathers and stacks. He also checked for residual moveout on CMP gathers and made updates to the velocity field. This was the most complete processing sequence produced at the workshop. His presentation is [http://drive.google.com/open?id=0BzlWqJrRotPyRUJfcFFrRTY0RGs available here].