Patent ID: 7388381
Filing Date: 2008-06-17
Classification: G01V

Abstract:
1. A probe for long-term in situ measurement of the geoelectrical profile of a geological formation comprising: (a) a first section and optionally at least one additional section for customization; (b) said first section having a drive point for insertion into the ground and to seal the bottom end of the probe; (c) said first section having sockets for electrical wires in a ball bearing, slip ring, or wire conduit to eliminate wire twisting and connection to the next section or to the extension wire bundle; (d) said next section(s) having pins at one end thereof in similar type to said first section to enable connection and electrical continuity; (e) each section containing electrode rings to serve as electrical coupling to the earth, said electrode rings being in electrical continuity with connections on the end of the probe.