Allegheny County, Pennsylvania Wells Summary
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Total wells
Last 12 months
Prior 12 months
Year-over-year
Allegheny County contains 2,955 wells on file, with top operators including UNKNOWN OPR and PA DEP OFC OIL & GAS MGMT.
Most recent well on record: UNION SWITCH & SIGNAL US&S#6, operated by XEROIL CORP — last updated March 2026.
Active drilling rigs · Baker Hughes snapshot, week of 2026-05-29
By basin
- 16 Marcellus
- 1 Utica
Drilling for
- 17 Gas
Allegheny 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.
2,894 wells plotted ·
2 active in last 60 days
Basemap © OpenStreetMap contributors · well data © Oil and Gas Information · tiles served by DynamoMap
Top Operators in Allegheny County by total wells
Operators: Unknown Opr, Pa Dep Ofc Oil & Gas Mgmt, Eqt Prod Co, Kriebel Acquisition Co Llc, Penneco Oil Co Inc, Range Resources Appalachia Llc, Peoples Natural Gas Co Llc, Diversified Prod Llc, Kriebel Minerals Inc, Huntley & Huntley Inc.
Top Counties in Pennsylvania most active by total wells
Compare Allegheny against the other busiest counties in Pennsylvania:
- McKean · 53,645 wells
- Warren · 34,622 wells
- Venango · 33,925 wells
- Indiana · 16,495 wells
- Armstrong · 12,471 wells
- Forest · 12,317 wells
- Washington · 10,774 wells
- Westmoreland · 10,329 wells
- Jefferson · 9,004 wells
- Greene · 8,447 wells
- Clarion · 7,918 wells
- Clearfield · 7,315 wells
Recent wells
| Well Name | Last activity | Updates | Operator | API |
|---|---|---|---|---|
| UNION SWITCH & SIGNAL US&S#6 | 2026-03-18 | XEROIL CORP | 003-21170 | |
| CEPEC 1 | 2026-03-18 | WILKES ENERGY INC | 003-21748 | |
| COOK 2 | 2026-03-18 | WIND RIVER EXPLORATION INC | 003-22144 | |
| COOK 1 | 2026-03-18 | WIND RIVER EXPLORATION INC | 003-21959 | |
| COOK 1 | 2026-03-18 | WIND RIVER EXPLORATION INC | 003-22143 | |
| POWELL 1 | 2026-03-18 | WILKES ENERGY INC | 003-21780 | |
| COOK 2 | 2026-03-18 | WIND RIVER EXPLORATION INC | 003-21960 | |
| TATRAI 1 | 2026-03-18 | WILKES ENERGY INC | 003-21771 | |
| HENRY J. BORISH 1 | 2026-03-18 | VICTORY ENERGY CO | 003-21248 | |
| GOETTMAN 1 | 2026-03-18 | UNKNOWN OPR | 630332 |
Surface Ownership Records:
