M91FG29.JPG|{{figure number|6}}The decrease in water saturation with height controls the producing behavior of an oil column. Redrawn from Jennings, 1987, with permission from the AAPG. | M91FG29.JPG|{{figure number|6}}The decrease in water saturation with height controls the producing behavior of an oil column. Redrawn from Jennings, 1987, with permission from the AAPG. |