GeoWaves instrument is made by Sercel Company, and could provide 24-stage downhole 3-component universal joint detector GAU acquisition unit to maximum, which could improve VSP operational time-efficiency greatly, and save the platform costs. It is suitable for slim hole operation, and could provide various VSP operations, obtain accurate time-depth relationship, formation velocity and imaging.

Instrument Features:

l  Adopt coaxial interstage cables, and the interstage cable length is optional (standard length: 10, 15, 20 and 30m).

l  Wide range of sampling rate: 1/4, 1/2, 1, 2 and 4ms.

l  The data transmission rate is 2.5Mbits/s when using 7,000 standard 7-core cables.

Application Conditions

Wellbore diameter: 127mm (5 in) to 406.4mm (16 in)