Ellis County, Oklahoma Wells Summary
Back to Oklahoma Well Records
Total wells
Drill activity
Ellis County contains 4,155 wells on file, with top operators including UNBRIDLED RESOURCES LLC and MEWBOURNE OIL COMPANY.
Most recent well on record: Crooks, operated by KENNETH W CORY LTD — last updated April 2026.
County FIPS Code: 40045
Active drilling rigs · Baker Hughes snapshot, week of 2026-05-29
By basin
- 21 Cana Woodford
- 15 Granite Wash
- 5 Other
- 2 Ardmore Woodford
- 1 Arkoma Woodford
Drilling for
- 43 Oil
- 1 Gas
Location in Oklahoma
Top Operators in Ellis County by total wells
Operators: Unbridled Resources Llc, Mewbourne Oil Company, Be Anadarko Ii, Llc, Unit Petroleum Company, Latigo Oil & Gas, Inc., Presidio Petroleum Llc, Urban Oil & Gas Group Llc, Express Oil & Gas Llc, Crawley Petroleum Corporation, Chesapeake Operating Llc.
Top Counties in Oklahoma most active by total wells
Compare Ellis against the other busiest counties in Oklahoma:
Recent wells
| Well Name | Last activity | Updates | Operator | API |
|---|---|---|---|---|
| Crooks | 2026-04-20 | KENNETH W CORY LTD | 3504500097 | |
| Piles Creek 22-34 CN | 2026-04-20 | MEWBOURNE OIL COMPANY | 3504500100 | |
| HANAN 31-20-23 | 2026-03-18 | UNBRIDLED RESOURCES LLC | 3504523156 | |
| SCHOOL TRUST "36" | 2026-03-18 | MEWBOURNE OIL COMPANY | 3504523120 | |
| JOHNS 10-21-25 | 2026-03-18 | UNBRIDLED RESOURCES LLC | 3504523140 | |
| DAVIS 34-20-25 | 2026-03-18 | UNBRIDLED RESOURCES LLC | 3504523155 | |
| SALLY JO | 2026-03-18 | JONES ENERGY LLC | 3504523089 | |
| DONNIE 33-18-26 | 2026-03-18 | UNBRIDLED RESOURCES LLC | 3504523073 | |
| LITTLE TURKEY | 2026-03-18 | UNBRIDLED RESOURCES LLC | 3504523105 | |
| HOLLOWAY | 2026-03-18 | EOG RESOURCES INC | 3504523119 |
Surface Ownership Records: