5-component layout : Metronix ADU-07e systems
In-loop & out-of-loop ; Zonge systems
Base and field measurements ; Geometrics G-856, G-858s
Widely spaced station sampling; L&R ‘G’ gravitymeters
Time-lapsed measurements on permanent benchmarks; L&R ‘D’ meter
Time-lapsed measurements over producing fields; Geotech Smart24R & Reftec recorders
Measurements at permanent down-hole locations; Geotech Smart24R, Reftec recorders, Lennartz sensors