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3D SRME Geophysical services to the oil industry PSS Geo implementation of Delphi SRME for 3D Input 2D SRME 3D SRME Kj p kortreist geofysikk

ABC denoise Geophysical services to the oil industry Swellnoise is removed discriminating on dip frequency and energy Before After Kj p kortreist geofysikk

Geophysical services to the oil industry The PSS GEO broadband processing includes DAG algorithm PSS GEO exclusive proprietary technology designed to deghost marine towed streamer data It is capable to extend the Bandwidth of vintage standard and unconventional deep slant streamer data The approach is based on parameterized optimal adaptive extractive deghosting using the naturally occurring source and receiver ghost variability Raw shot gathers 125Hz Conventionnal processing Raw shot gathers DAG 125Hz 200Hz 200Hz DAG with permission of VNG Norge Non migrated stack Non migrated stack DAG 125Hz 125Hz 125Hz DAG spectral inversion Z Terra software with permission of Lundin Petroleum with wi th permission per p ermi miss ssio ion n of MultiClient Mul M ulti tiCl ti Clie ient nt Geophysical Geo G eoph phys ysic ical al Kj p kortreist geofysikk

DDL demult Geophysical services to the oil industry A targeted noise model is produced with decon this is further processed before subtracted with leastsub Before After Kj p kortreist geofysikk

Diffracted multiple noise attenuation Geophysical services to the oil industry Pre stack diffracted noise attenuation by noise discrimination in time frequency domain CDP gathers before CDP gathers after Kj p kortreist geofysikk

fsrme Geophysical services to the oil industry Inplementation of the Delphi SRME the data is split in frequency panels before subtraction 1 2 8 15 8 15 32 50 32 50 100 125 Kj p kortreist geofysikk

Killmult Geophysical services to the oil industry Multiples and ringing below a multiple generator are removed by flattening and filtering Before After Kj p kortreist geofysikk

LC filter edge effect elimination Geophysical services to the oil industry Trace extension on top and bottom to eliminate edge effect during DC noise LC filtering SHOT with standard LC filter applied SHOTS with LC filter with trace extension Kj p kortreist geofysikk

PCRS Geophysical services to the oil industry Developed by WIT research consortium as a stacking tool implemented by PSS Geo as a prestack denoising tool Attenuates random noise and both signal and noise are made more coherent Offsetplane after srme before PCRS Offsetplane after PCRS Kj p kortreist geofysikk

PRDMCO Geophysical services to the oil industry Pre stack residual de multiple in Common offset modeled multiple by flattening on CO and subtracting Before After Kj p kortreist geofysikk

RESAL Geophysical services to the oil industry Residual alignment before stacking Before After Kj p kortreist geofysikk

Seismic Interference Geophysical services to the oil industry Seismic Interference noise attenuation by amplitude threshold in time frequencies sub band in CO SHOTS Before SHOTS After Kj p kortreist geofysikk