United States · USGS
Orphaned wells
Merrill, M.D., Varela, B.A., and Gianoutsos, N.J., 2026, United States Documented Orphaned Well Database 2026: U.S. Geological Survey data release, https://doi.org/10.5066/P13FHBYG.
129,960 rows. Retrieved 2026-11-01T01:28:35Z.
States
| State | Wells |
|---|---|
| Ohio | 22,759 |
| Pennsylvania | 21,262 |
| Oklahoma | 19,981 |
| Kentucky | 15,638 |
| Texas | 8,998 |
| New York | 7,600 |
| Louisiana | 4,817 |
| Missouri | 4,816 |
| Kansas | 4,566 |
| Illinois | 3,986 |
| West Virginia | 3,789 |
| New Mexico | 3,366 |
| California | 2,940 |
| Colorado | 1,302 |
| Indiana | 946 |
| Tennessee | 895 |
| North Dakota | 562 |
| Arizona | 460 |
| Wyoming | 374 |
| Arkansas | 356 |
| Michigan | 272 |
| Utah | 90 |
| Montana | 61 |
| Alaska | 44 |
| Nebraska | 32 |
| Alabama | 31 |
| Mississippi | 11 |
| Nevada | 6 |
Top names as listed
Grouped by a normalized well name. USGS says the well name typically includes the operator and/or lease. This is not a verified operator roster.
| Name as listed | Wells |
|---|---|
| NO NAME | 1,311 |
| Root F 1 | 302 |
| BIG FOOT OLMOS B SAND UNIT | 292 |
| HICKMAN LUMBER 10 | 269 |
| EUREKA COAL & MINERAL CO 095261 380 | 232 |
| WARRANT #2453 215 | 222 |
| MILLER | 200 |
| MARTIN | 176 |
| SMITH | 160 |
| BROWN | 156 |
| IDA-FAUVERGUE | 147 |
| Barnes A 1 | 142 |