However , the well is surpassed only two years later by the relief well for the Bellevue blowout .
1997 - Deepest horizontal well in Kern County is Yolwumne 91X - 3 with measured depth of 14,300 feet .
The well is surpassed only two years later by the relief well for the Bellevue blowout .
1997 - Deepest horizontal well in Kern County is Yolwumne 91X - 3 with measured depth of 14,300 feet .