The AAPG/Datapages Combined Publications Database
Environmental Geosciences (DEG)
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Environmental Geosciences (DEG); Year: 2019; Issue: September DOI: 10.1306/eg.02271918009
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Figure 11. Two adjacent wells drilled and logged in different years (1990 and 2012) in an area containing numerous disposal wells on the east flank of South Belridge. Yellow shading on spontaneous potential (SP) curve (left track) indicate sand layers. Yellow shading on resistivity curve indicates resistivity greater than 3 ohm m. Pink bars indicate low resistivity sands in the 2012 well (0403046566) affected by injected saline produced water. The API numbers at the top of the logs are used for well identification. Year drilled and logged in parentheses.
Figure 11. Two adjacent wells drilled and logged in different years (1990 and 2012) in an area containing numerous disposal wells on the east flank of South Belridge. Yellow shading on spontaneous potential (SP) curve (left track) indicate sand layers. Yellow shading on resistivity curve indicates resistivity greater than 3 ohm m. Pink bars indicate low resistivity sands in the 2012 well (0403046566) affected by injected saline produced water. The API numbers at the top of the logs are used for well identification. Year drilled and logged in parentheses.