| 摘要 |
Method and device for performing vertical seismic profiling (VSP) in a borehole with a seismic device (10) comprising an elongated cable (20) with conductors (30) for transporting power and at least one communication line (40) for carrying signals. The device further comprises at least one connection point (50) placed along the elongated cable (20), where the connection point (50) comprises wireless power providing means (60) and communication means (65) that are connected to said conductors (30) and communication line (40) in the elongated cable (20), and at least one sealed seismic module (70) fixed to the at least one connection point (50), the seismic module (70) comprises a geophone (75), electronics (80) for detecting and transferring seismic signals, power receiving means (85) for wirelessly receiving power from the connection point (50) and means for wirelessly transmitting seismic signals to the communication line (40) via the communication means (65) comprised in the connection point (50). |
