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The USGS INL Project Office recently upgraded its video logging program with the addition of a dual-view water well inspection video camera system.
As you can see in this high-definition underwater video of USGS Well 131A, individual basalt layers are clearly visible.
This basalt was once liquid lava. As it cooled and hardened, the lava retained some of its air or gas pockets called vesicles. Over time, these vesicles broke down and the sediment from above sifted in through the cracks.
The layer of white speckles is calcium carbonate build up that has “grown” as the water interacts with the sediments—it’s a natural chemical reaction. A little lower down we see how the calcium carbonate has deposited in a wave pattern in a large basalt fracture.
Drillers use these vertical and horizontal views to determine how to complete monitoring wells. Hydrologists also use this visual information to learn more about how water moves in an aquifer.
This technology will improve our video logging efficiency through the system’s simplified labeling, audio, and output options. And we’ll save money because our older video cameras can be retrofitted with this new technology.
Title: New Dual-View Downhole Video Technology at the USGS, Idaho Water Science Center, Idaho National Laboratory (INL) Project Office
Underwater video showing horizontal and vertical views from new video camera technology. The high-definition video output will help drillers complete the wells and will help hydrologist understand the aquifer system.
Location: Scoville, ID, USGS Well 131A; Southeastern Idaho; Idaho National Laboratory, USA
Date Taken: 1/1/2012
Video Producer: Brian Twining , USGS, Idaho Water Science Center, INL Project Offic
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Additional Video Credits:
Producer: Steve Sobieszczyk
For more information go to: USGS INL Project Office
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