ANNA BIRDSALL 1-6
API 26165211080000 · Sioux County, Nebraska · WILDCAT field
DADry Hole
Formation tops
Nebraska records 46 formations for this well, shallowest first. Nebraska files a formation code and no table of full names, so the codes are shown as the state files them.
| Nebraska formation code | Top (ft) | Picks |
|---|---|---|
| CHADRON | 660 | 1 |
| CRETAC | 734 | 1 |
| NIOBRA | 4,540 | 1 |
| FTHAYS | 4,820 | 1 |
| CODELL | 4,888 | 1 |
| CARLIL | 4,909 | 1 |
| GREENH | 5,034 | 1 |
| BELLE | 5,184 | 1 |
| MOWRY | 5,283 | 1 |
| GURLEY | 5,480 | 1 |
| HUNTSM | 5,525 | 1 |
| CRUISE | 5,620 | 1 |
| SKULL | 5,720 | 1 |
| CLOVER | 5,845 | 1 |
| LAKOTA | 5,845 | 1 |
| JURASS | 5,930 | 1 |
| SUNDAN | 6,006 | 1 |
| SPRF | 6,192 | 1 |
| PERMIA | 6,335 | 1 |
| LITMED | 6,368 | 1 |
| FREEZEOU | 6,385 | 1 |
| ERVAY | 6,405 | 1 |
| GLENDO | 6,495 | 1 |
| SALT 2 | 6,512 | 1 |
| MINNEK | 6,540 | 1 |
| SALT 3 | 6,570 | 1 |
| OPECHE | 6,678 | 1 |
| BLAINE | 6,687 | 1 |
| FLOWERPO | 6,745 | 1 |
| SALT 9 | 6,814 | 1 |
| SALTPLAI | 6,918 | 1 |
| SALT 10 | 6,933 | 1 |
| SUMNER | 6,958 | 1 |
| SALT 12 | 7,060 | 1 |
| CHASE | 7,130 | 1 |
| WCAMP | 7,132 | 1 |
| SALT | 7,152–7,312 | 2 |
| AMAZON | 7,265 | 1 |
| COUNCI | 7,310 | 1 |
| PENNSY | 7,325 | 1 |
| ADMIRE | 7,524 | 1 |
| SHAWNE | 7,634 | 1 |
| VIRGIL | 7,634 | 1 |
| LANSIN | 7,755 | 1 |
| BASEKC | 7,923 | 1 |
| CHEROK | 8,009 | 1 |
A dash is a formation Nebraska records for this well without a depth. 1 formation was picked at more than one depth by different Nebraska sources, and its range is shown rather than one of the answers.
Location
42.085595, -103.872011
42.08559, -103.87201 · Surface location as filed with Nebraska⌘ or Ctrl + scroll to zoom
Every well in Sioux County, Nebraska
Nebraska state record, from NE_wells_NE_WELLS.parquet. Corpus built 2026-09-11.