Sullivan County, Pennsylvania Wells Summary
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Total wells
Last 12 months
Prior 12 months
Year-over-year
Sullivan County contains 497 wells on file, with top operators including EXPAND OPER LLC and CHESAPEAKE APPALACHIA LLC.
Most recent well on record: BOHENSKY WILLIAM 3H, operated by SWN PROD CO LLC — 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
Sullivan 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.
497 wells plotted ·
0 active in last 60 days
Basemap © OpenStreetMap contributors · well data © Oil and Gas Information · tiles served by DynamoMap
Top Operators in Sullivan County by total wells
Operators: Expand Oper Llc, Chesapeake Appalachia Llc, Chief Oil & Gas Llc, Exco Resources Pa Llc, Carrizo (Marcellus) Llc, Sabre Energy Dev Llc, Swn Prod Co Llc, Anadarko E&p Onshore Llc, Consol Gas Co, Pa Dep Ofc Oil & Gas Mgmt.
Top Counties in Pennsylvania most active by total wells
Compare Sullivan 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 |
|---|---|---|---|---|
| BOHENSKY WILLIAM 3H | 2026-03-18 | SWN PROD CO LLC | 113-20264 | |
| CSB S SUL 2H | 2026-03-18 | SOUTHWESTERN ENERGY PROD CO | 113-20213 | |
| Bering 4H | 2026-03-18 | SABRE ENERGY DEV LLC | 113-20494 | |
| Bering 5H | 2026-03-18 | SABRE ENERGY DEV LLC | 113-20498 | |
| Bering 3H | 2026-03-18 | SABRE ENERGY DEV LLC | 113-20495 | |
| WISTAR SHAFFER UNIT 2H | 2026-03-18 | EXCO RESOURCES PA LLC | 113-20351 | |
| HOUSEKNECHT UNIT 2H | 2026-03-18 | EXCO RESOURCES PA LLC | 113-20133 | |
| HOUSEKNECHT UNIT 4H OG WELL | 2026-03-18 | EXCO RESOURCES PA LLC | 113-20135 | |
| HOUSEKNECHT UNIT 3H | 2026-03-18 | EXCO RESOURCES PA LLC | 113-20134 | |
| BURKHART 1H | 2026-03-18 | EXCO RESOURCES PA LLC | 113-20336 |
Surface Ownership Records:
