System and method for surveying a subsurface of the earth
US10175379B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Nov 11, 2014 |
| Grant date | Jan 8, 2019 |
| Priority date | — |
| Expiry date | Jul 31, 2035 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01V3/20
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A first electrode is located at a borehole and a second electrode is located at the surface of the earth. At least one transmitter is selectively connected to one or both of the first and second electrodes to cause current to flow within a subsurface of the earth. When the at least one transmitter is connected to the first electrode, a current is caused to flow at a deep depth within the subsurface and deep source data is acquired. When the at least one transmitter is connected to the second electrode, a current is caused to flow at a shallow depth within the subsurface and shallow source data is acquired. The deep and shallow source data are then combined.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.