POSC Specifications Version 3.0 |
Epicentre Standard Values ref_processing_indicator |
identifier | description | source | version | status |
---|---|---|---|---|
ref _version .identifier | ||||
stack - bin node | Creating a composite trace by "averaging" the samples on traces which have the same bin node. | POSC | epicentre 2.1 | current |
normal moveout correction | Removal of the time delay caused by the source to receiver separation. | POSC | epicentre 2.1 | current |
migration - time | Two dimensional time migration. | POSC | epicentre 2.1 | current |
migration - depth | Two dimensional depth migration. | POSC | epicentre 2.1 | current |
migration - 3d time | Three dimensional time migration. | POSC | epicentre 2.1 | current |
migration - 3d depth | Three dimensional depth migration. | POSC | epicentre 2.1 | current |
migration - double 2d time | Two dimensional time migration performed first in one direction then in the other. | POSC | epicentre 2.1 | current |
migration - double 2d depth | Two dimensional depth migration performed first in one direction then in the other. | POSC | epicentre 2.1 | current |
dip moveout | Dip moveout is a process that creates apparent common-reflection-point gathers by a convolution applied to adjacent common midpoint gathers, with the feature that the normal moveout for reflectors from a dipping bed no longer depends on the dip angle. (R. E. Sheriff, "Encyclopedic Dictionary of Exploration Geophysics", Third Edition) | POSC | epicentre 2.1 | current |
stack- vertical | Combining of the records from several sources at nearly the same location without correcting for static or offset differences. (R. E. Sheriff, "Encyclopedic Dictionary of Exploration Geophysics", Third Edition) | POSC | epicentre 2.1 | current |
statics - residual field | Application of a static correction which attempts to adjust for errors in the "statics - field" values. | POSC | epicentre 2.1 | current |
statics - field | Corrections applied to seismic data to compensate for the effects of variations in elevation, weathering thickness, weathering velocity, or reference to a datum. (R. E. Sheriff, "Encyclopedic Dictionary of Exploration Geophysics", Third Edition) These may be based on uphole times, refraction information or other sources. | POSC | epicentre 2.1 | current |
filter - notch | Application of a notch filter (e.g., 60 hz). | POSC | epicentre 2.1 | current |
filter - band pass | Application of a band pass filter. | POSC | epicentre 2.1 | current |
muting | Zeroing of data within mute windows. | POSC | epicentre 2.1 | current |