Calibration of acquisition equipment

Recording equipment

cod2   cod3
Autonomous node «RefTek 130.1». 6 channel data logger            SGD 48/96

cod4
Sensor GS11D
Perforation shot relocation is used as a calibration tool for enhanced positioning accuracy

perf4431

Horizontal slice of seismic event induced by perforation. Minimum accuracy is 10 meters. West Siberia oilfield. 2760 meters’ depth

2

Perforation after filtering. Auto picking of the arrivals based on cross-correlation