Boulder County, Colorado Wells Summary
Back to Colorado Well Records
Total wells
Most recent drilling
First on record
Activity status
Boulder County contains 783 wells on file, with top operators including EXTRACTION OIL & GAS INC and CRESTONE PEAK RESOURCES OPERATING LLC.
Wells in Boulder span several oil & gas fields including WATTENBERG and BOULDER.
Most recent well on record: GALLAGHER, operated by GALLAGHER FAMILY PARTNERSHIP — last updated March 2026.
Active drilling rigs · Baker Hughes snapshot, week of 2026-05-29
By basin
- 8 DJ-Niobrara
- 3 Other
Drilling for
- 8 Oil
- 3 Gas
Boulder County well density
Every dot is one well — small blue dots are historic wells;
larger orange dots are wells with activity in the last 60 days.
783 wells plotted ·
0 active in last 60 days
Basemap © OpenStreetMap contributors · well data © Oil and Gas Information · tiles served by DynamoMap
Top Operators in Boulder County by total wells
Operators: Extraction Oil & Gas Inc, Crestone Peak Resources Operating Llc, Gerrity Oil & Gas Corp, Encana Oil & Gas (Usa) Inc, Old Operators - Status Unknown, Unknown, Martin Exploration Management Co, Basin Exploration Inc, Noble Energy Inc, Meyer Oil Company.
Top Oil & Gas Fields intersecting Boulder County
Fields: Wattenberg, Boulder, Wildcat, Holland, Boulder Valley, Superior, Holland West, Highland, Baxter Lake, Table Mountain.
Top Counties in Colorado most active by total wells
Compare Boulder against the other busiest counties in Colorado:
- Weld · 45,233 wells
- Garfield · 17,243 wells
- Rio Blanco · 7,358 wells
- Yuma · 6,234 wells
- Washington · 5,803 wells
- Adams · 4,941 wells
- La Plata · 4,608 wells
- Las Animas · 4,015 wells
- Logan · 3,923 wells
- Morgan · 3,030 wells
- Mesa · 2,818 wells
- Moffat · 2,286 wells
Recent wells
| Well Name | Last activity | Updates | Operator | API |
|---|---|---|---|---|
| GALLAGHER | 2026-03-18 | GALLAGHER FAMILY PARTNERSHIP | 05-013-05021 | |
| COX | 2026-03-18 | GERRITY OIL & GAS CORP | 05-013-06149 | |
| SHEDD | 2026-03-18 | KP KAUFFMAN COMPANY INC | 05-013-06225 | |
| MEMO | 2026-03-18 | GERRITY OIL & GAS CORP | 05-013-06308 | |
| CRAWFORD | 2026-03-18 | OLD OPERATORS - STATUS UNKNOWN | 05-013-60038 | |
| ERTL MC | 2026-03-18 | GERRITY OIL & GAS CORP | 05-013-06394 | |
| TABOR | 2026-03-18 | HYNDREX RESOURCES | 05-013-06207 | |
| WARREN MAXWELL | 2026-03-18 | OLD OPERATORS - STATUS UNKNOWN | 05-013-60014 | |
| JOHNSON | 2026-03-18 | UNKNOWN | 05-013-05048 | |
| BRUNING-PEAK | 2026-03-18 | UNKNOWN | 05-013-05149 |
Surface Ownership Records:
