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Williamson 1
Plugged Dry hole well
| API number | 04-013-20053 |
|---|---|
| Operator | Sinco Oil Corp. |
| County | Contra Costa, California |
| Field | Brentwood |
| Spudded | 1969-07-23 |
| Surface location | 37.945873, -121.760689 · wells within 1 mile |
| State record | California Geologic Energy Management Division (CalGEM) ↗ |
| Data as of | 2026-10-19 |
From California Geologic Energy Management Division (CalGEM) public records. Verify with the state before relying on this information.