Brown County, IL oil and gas wells
1,636 wells: 0 active, 1,271 plugged, run by 423 operators.
Brown County, IL ranks #27 among Illinois counties by wells on record, with 1% of the state's 207,298 wells. Illinois's records don't say which wells are producing; 1,271 of the 1,636 are recorded as plugged. Of the 1,401 wells here with a type on record, 74% are dry holes, 21% oil wells and 2% disposal or injection wells. Drilling records here go back to 1902. 2 wells (0%) were drilled in 2016 or later, the most recent in 2026. 58 wells are listed as permitted or being drilled. Wells with a recorded depth average 675 ft. 423 operators have wells here. The largest is Longhorn Resources, with 75 wells.
Figures from the Illinois State Geological Survey, updated 2026-10-17.
Top operators in Brown
Wells
Not plugged · All wells · Plugged · Orphaned
| Well | API / ID | Status | Type | Operator |
|---|---|---|---|---|
| Walker 1 | 12-009-00119 | Plugged | Dry hole | 🔒 Sign in free |
| Walker 1 | 12-009-21421 | Plugged | Dry hole | 🔒 Sign in free |
| Ward 1 | 12-009-21697 | Plugged | Dry hole | 🔒 Sign in free |
| Waters, Lloyd 1 | 12-009-20881 | Plugged | Dry hole | 🔒 Sign in free |
| Waters, Lloyd & Betty 2 | 12-009-20904 | Plugged | Dry hole | 🔒 Sign in free |
| Watts 1 | 12-009-21686 | Plugged | Dry hole | 🔒 Sign in free |
| Wayne Harbor Well 1 | 12-009-20636 | Plugged | Dry hole | 🔒 Sign in free |
| Wear, N. 1 | 12-009-20590 | Plugged | Dry hole | 🔒 Sign in free |
| Weatherford, E. A. 1 | 12-009-20649 | Plugged | Dry hole | 🔒 Sign in free |
| Weatherford, E. A. 2 | 12-009-20811 | Plugged | Unknown | 🔒 Sign in free |
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Brown County, IL well questions
How many oil and gas wells are in Brown County, IL?
1,636 wells are on record, 1,271 of them plugged.
Who operates the most wells in Brown County, IL?
Longhorn Resources, with 75 wells on record here. The table above lists the top operators.
Are new wells still being drilled in Brown County, IL?
Yes. 2 wells were drilled in 2016 or later, the most recent in 2026, and 58 more are permitted or being drilled.