File:Shell Freeze Wall Oil Shale.png
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![File:Shell Freeze Wall Oil Shale.png](https://upload.wikimedia.org/wikipedia/commons/thumb/1/12/Shell_Freeze_Wall_Oil_Shale.png/546px-Shell_Freeze_Wall_Oil_Shale.png?20161105200018)
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Summary
[edit]DescriptionShell Freeze Wall Oil Shale.png |
English: Caption: (1) Surface facilities for the freeze wall include access points to the closed-loop pipe system, monitoring wells and groundwater wells, which will pump out the groundwater from the inside the contained reservoir once the freeze wall is built. (2) A chilled liquid would be circulated through a closed system of pipes causing the water in the surrounding rock to freeze and eventually form a wall of ice. This freeze wall will serve as a barrier to keep groundwater out of the contained reservoir. (3) Shell will drill a maximum of 150 holes spaced about 8 feet apart in order to create the closed-loop pipe system. (4) Up to 2,000 feet beneath the surface, the shale layer is a rock formation containing an organic matter (kerogen). It is this organic matter trapped in the rock that results in oil and gas when gradually heated. |
Source | http://www.blm.gov/pgdata/etc/medialib/blm/co/field_offices/white_river_field/oil_shale/shell_frontier_oil.Par.48996.File.dat/figure5_FreezeWall.pdf |
Author | US Bureau of Land Management, Shell EIA of their Oil Shale Project |
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[edit]Public domainPublic domainfalsefalse |
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This image is a work of a Bureau of Land Management* employee, taken or made as part of that person's official duties. As a work of the U.S. federal government, the image is in the public domain in the United States. *or predecessor organization |
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[edit]The original description page was here. All following user names refer to en.wikipedia.
Date/Time | Dimensions | User | Comment |
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2009-10-31 01:23:07 | 677× 743× | Splette | remove text from image and put it in caption |
2009-10-30 14:44:21 | 1284× 743× | Splette | better quality + crop |
2007-07-06 19:17:09 | 860× 580× | Dexcel | From the US Bureau of Land Management, Shell EIA of their Oil Shale Project http://www.co.blm.gov/wrra/documents/figure5_FreezeWall.pdf |
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current | 20:00, 5 November 2016 | ![]() | 677 × 743 (185 KB) | FastilyClone (talk | contribs) | Transferred from en.wikipedia (MTC!) |
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