USGS Groundwater Information: Hydrogeophysics Branch
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Borehole radar being set up at the Naval Industrial Reserve Ordinance Plant (NIROP), Fridley, Minnesota, field site. |
On-site field house where oil is stored prior to and during injection. |
Eric White (OGW, Branch of Geophysics) pouring ferrofluids into oil that is to be injected into the ground. |
Eric White (OGW, Branch of Geophysics) and Peter Joesten (OGW, Branch of Geophysics) lower a borehole radar antenna into borehole. |
Peter Joesten (OGW, Branch of Geophysics) (left, background) and Eric White (OGW, Branch of Geophysics) (right, foreground) conduct borehole radar survey. |
Chris Kochiss (OGW, Branch of Geophysics) holds radar receiver antenna in borehole during vertical radar profiling survey. Transmitter antenna is located on the ground surface in the foreground of the picture. |
Chris Kochiss (OGW, Branch of Geophysics) lowers borehole radar antenna into well that was used for oil injection. |
Alton Anderson (USGS NY District) and Dick Hodges (USGS Borehole Geophysics Research Project, Denver) prepare to conduct neutron logging in borehole at NIROP. |
Alton Anderson (USGS NY District) and Dick Hodges (USGS Borehole Geophysics Research Project, Denver) clean neutron logging tool after conducting logging in boreholes at NIROP. |
Peter Joesten (OGW, Branch of Geophysics) pulls radar cable to remove radar antenna from borehole. |