Offshore seismic acquisition: planning and projecting Factors affecting positioning: Waves (swell noise) Currents (feather) Gun/streamer configuration ‌
GEODATA TECHNICAL SERVICES LTD. 2, LOGONE CLOSE, MAITAMA, ABUJA,
TEL: +234-9-2904152
Seismic data acquisition 2D/3D seismic data acquisition-vibroseis source
Seismic data acquisition 2D/3D seismic data acquisition-explosive source
All stages supervisor services Supervisor services for hydrocarbon exploration at all stages through only highclass specialists with up-to-date equipment to do: • • • •
Geological task QC Field acquisition QC Processing QC Interpretation QC
GEODATA TECHNICAL SERVICES LTD. 2, LOGONE CLOSE, MAITAMA, ABUJA,
TEL: +234-9-2904152
All stages supervisor services Standard Quality Control procedures Input data
QC Geometry assigned
Displays
Sph. div. Correction
QC noisy traces; SNR; Amp vs Offs - Synth AVO
Maps
Ground Roll Filtering
RMS Amp in “GR cone”; gath; SNR;Dom Frq maps
Displays
SCAC+SCD
SHT,REC Avg RMS ampl; CDP stacks; FRQ spectrums
Maps
1IT “VA + Residual statics”
CDP,CRP,CSP stacks; CDP gth; Velocities
Displays
DEMULTIPLE
CDP stacks; gathers; SNR; Autocor; spectral estimation
VA panels
SCAC
SHT,REC Avg RMS ampl; CDP stacks
Displays;Maps
2IT “VA + Residual statics”
CDP,CRP,CSP stacks; CDP gth; Velocities
VA panels
DMO
CDP stacks-gathers;SNR; Amp vs Offs – Synth AVO
Pre-PostMigration; CDP statics
CDP stacks-gathers;SNR; Amp vs Offs – Synth AVO
Poststack Processing
CDP stacks;Coherency;SNR; spectral estimations
Displays;Charts
Maps
GEODATA TECHNICAL SERVICES LTD. 2, LOGONE CLOSE, MAITAMA, ABUJA,
TEL: +234-9-2904152
2D/3D Seismic data processing 2D/3D seismic data processing and reprocessing of previous acquisition using most modern software
Our benefits: • Full scope of services in seismic processing from express processing to detailed analysis of offshore and onshore seismic • Enhancing the signal/noise ratio for various geologic conditions GEODATA TECHNICAL SERVICES LTD. 2, LOGONE CLOSE, MAITAMA, ABUJA,
TEL: +234-9-2904152
2D/3D Seismic data processing • Interactive statics • Novel procedures enhancing the resolution of seismic record • Detailed velocity analysis
• Effective multiple suppression • Velocity-depth modeling for complex geology areas • Wavefield prestack depth and time migration technique
GEODATA TECHNICAL SERVICES LTD. 2, LOGONE CLOSE, MAITAMA, ABUJA,
TEL: +234-9-2904152
2D/3D Seismic data interpretation 2D/3D seismic data interpretation using up-to-date software and involving all aspects of G&G sciences: •Seismic data interpretation •Attribute analysis •Seismic-stratigraphic analysis
GEODATA TECHNICAL SERVICES LTD. 2, LOGONE CLOSE, MAITAMA, ABUJA,
TEL: +234-9-2904152
2D/3D Seismic data interpretation
GEODATA TECHNICAL SERVICES LTD. 2, LOGONE CLOSE, MAITAMA, ABUJA,
TEL: +234-9-2904152
2D/3D Seismic data interpretation • • • •
Geologic modeling Prediction of reservoir properties and fluid saturation Paleogeographic reconstructions Sedimentation modeling
GEODATA TECHNICAL SERVICES LTD. 2, LOGONE CLOSE, MAITAMA, ABUJA,
TEL: +234-9-2904152