5 recent activity records on file for Northern Illinois Gas Company across IL — permits filed in the last 24 months, wells spudded in the last 90 days, wells turning to first production in the last 6 months, and drilled-uncompleted (DUC) inventory.
Refreshed monthly from TX RRC + OK OCC well-header records. Data current as of 2026-08-02.
Where Northern Illinois Gas Company is most active across all 4 activity datasets:
La Salle, IL — 3 activity records
Livingston, IL — 2 activity records
Which formations / plays Northern Illinois Gas Company is targeting:
Wisconsin Arch — 3 activity records
Illinois Basin — 2 activity records
The most recent 5 drilling permits filed by Northern Illinois Gas Company:
| Permit Date | Well | API | County | State | Formation | Lateral (ft) |
|---|---|---|---|---|---|---|
| 2026-03-04 | Mathesius, P. 19 | 120992928800 |
La Salle | IL | Wisconsin Arch | — |
| 2025-09-12 | Cullen 13-Dir | 121052402900 |
Livingston | IL | Illinois Basin | — |
| 2025-05-27 | Mathesius, P. 18 | 120992928500 |
La Salle | IL | Wisconsin Arch | — |
| 2025-05-27 | Weldon 21 | 120992928400 |
La Salle | IL | Wisconsin Arch | — |
| 2024-08-29 | Fordyce 201 | 121052387101 |
Livingston | IL | Illinois Basin | — |
View the dedicated Northern Illinois Gas Company permits page →
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States active: IL
Total activity: 5
Permits 24mo: 5
Spuds 90d: 0
New producers: 0
DUC inventory: 0
Last refresh: 2026-08-02
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