Common Offset RTM (COR) gathers is a new technique used to improve subsalt tomography updates utilizing TGS’ powerful RTM algorithm. COR gathers often contain subsalt events spanning the entire offset range (i.e., longer usable curvatures for tomography). In COR, shot gathers are split into N
COR gathers also have more reliable residual curvatures because each offset group is migrated independently and does not interfere with the neighboring ones.
COR is proven superior in perspective of signal/noise ratio, illumination
TGS offers subsurface data, including seismic, magnetic and gravity data, multibeam and coring data, digital well and production data as well as processing and interpretation from deepwater offshore to conventional and unconventional onshore plays.
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