Jefferson County, Colorado Wells Summary
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Total wells
Most recent drilling
First on record
Activity status
Jefferson County contains 65 wells on file, with top operators including PUBLIC SERVICE COMPANY OF COLORADO and WESTERN GAS SUPPLY COMPANY.
Wells in Jefferson span several oil & gas fields including LEYDEN GAS STORAGE and WILDCAT.
Most recent well on record: LEYDEN, operated by PUBLIC SERVICE COMPANY OF COLORADO — 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
Jefferson 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.
65 wells plotted ·
0 active in last 60 days
Basemap © OpenStreetMap contributors · well data © Oil and Gas Information · tiles served by DynamoMap
Top Operators in Jefferson County by total wells
Operators: Public Service Company Of Colorado, Western Gas Supply Company, Unknown, Premier Oil & Gas Inc, Johnson* S D, Hlm Drilling Company, Home Depot Usa Inc, Plainview Oil & Gas Inc, Producers & Refiners Corp, Red Mountain Resources Llc.
Top Oil & Gas Fields intersecting Jefferson County
Fields: Leyden Gas Storage, Wildcat, Soda Lake, Church Ranch.
Top Counties in Colorado most active by total wells
Compare Jefferson 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 |
|---|---|---|---|---|
| LEYDEN | 2026-03-18 | PUBLIC SERVICE COMPANY OF COLORADO | 05-059-06008 | |
| LEYDEN GAS STORAGE | 2026-03-18 | PUBLIC SERVICE COMPANY OF COLORADO | 05-059-06019 | |
| LEYDEN | 2026-03-18 | PUBLIC SERVICE COMPANY OF COLORADO | 05-059-40017 | |
| LEYDEN GAS STORAGE | 2026-03-18 | PUBLIC SERVICE COMPANY OF COLORADO | 05-059-40003 | |
| LEYDEN GAS STORAGE | 2026-03-18 | WESTERN GAS SUPPLY COMPANY | 05-059-40001 | |
| BRADEN | 2026-03-18 | CARMACK DRILLING CO | 05-059-40025 | |
| FEE | 2026-03-18 | UNKNOWN | 05-059-05008 | |
| SHAFT-LEYDEN GAS STORAGE | 2026-03-18 | PUBLIC SERVICE COMPANY OF COLORADO | 05-059-40019 | |
| LEYDEN | 2026-03-18 | WESTERN GAS SUPPLY COMPANY | 05-059-40006 | |
| LEYDEN | 2026-03-18 | PUBLIC SERVICE COMPANY OF COLORADO | 05-059-06013 |
Surface Ownership Records:
