Calibration of acquisition equipment

Recording equipment

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

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


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


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