Pierce County has 44 wells in the NDIC well file — 0 of them producing today (0 oil, 0 gas), 0 permitted, 0 spudded but not yet completed, and 43 plugged and abandoned. The most active operator by well count is South Ranch Oil Company, INC.. Figures come from the 2026-09-29 NDIC bulk file; production runs through 2026-07.
| Operator | Wells |
|---|---|
| South Ranch Oil Company, INC. | 5 |
| Superior Oil Co. | 4 |
| Owen Drilling Co. | 3 |
| Cardinal Petroleum Co. & Oil Capitol Corp. | 3 |
| Chapman Exploration, INC. | 3 |
| Calvert Exploration Co. | 2 |
| Cardinal Drilling Co. | 2 |
| Shell Oil Co. | 2 |
| Ajax Oil Co. | 1 |
| Phillips Petroleum Company | 1 |
| Field | Wells |
|---|---|
| Wildcat | 44 |