Core Minerals Operating
Operator of record for 101 catalogued wells across 2 states. Every well below links to its full registry page.
Filed as: CORE MINERALS OPERATING CO INC · Core Minerals Operating Co., Inc.
At a glance
Core Minerals Operating is the operator of record for 101 catalogued U.S. oil & gas wells in 2 states. 40 (40%) are active, 11 (11%) plugged & abandoned. Its largest concentration is in Kentucky, with 73 wells (72% of its portfolio).
Wells operated
101
Active
40
Plugged
11
Orphaned
0
Portfolio by state
| State | Wells |
|---|---|
| Kentucky | 73 |
| Illinois | 28 |
Well mix
- Oil wells
- 32
- Gas wells
- 12
- Shut-in
- 0
- Active share
- 40%
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Claim your operator profileWhere does Core Minerals Operating operate?
Core Minerals Operating's catalogued wells are spread across 2 states: Kentucky (73) and Illinois (28). Its 73 Kentucky wells are 0.0% of the 201,022 catalogued in that state — its largest share of any state. Counts cover only states whose registries WellCensus has ingested with operator names; wells in Nebraska and Texas (location indexes) and in states without a registry ingest are not yet attributed to any operator.
How many of Core Minerals Operating’s wells are active, plugged or orphaned?
40% of Core Minerals Operating's catalogued wells are active, 11 percentage points above the national share of 29%. 11% are plugged & abandoned, against 47% nationally. None of the wells filed under this name is flagged as orphaned.
What kinds of wells does Core Minerals Operating operate?
By product class, 32 (32%) are oil wells and 12 (12%) gas wells; nationally the shares are 43% and 17%. The deepest of its wells with a published depth is Geiger Minerals, LLC & Gough, Bill S, LLC 6-8-01nas in Union, KY at 4,840 ft. The wells listed below sit in Union (KY), Edwards (IL), White (IL), Wayne (IL), Webster (KY) and Richland (IL) and other counties. State filings spell the name 2 ways; WellCensus merges exact-normalized spellings only, so subsidiaries and affiliates keep their own pages.
Notable wells operated by Core Minerals Operating
| Well | API # / state ID | Status | Type | Location | Operator | Depth |
|---|---|---|---|---|---|---|
| Geiger Minerals, LLC & Gough, Bill S, LLC 6-8-01nas | 16-225-02994 | Active | Gas | Union, KY | Core Minerals Operating Co Inc | 4,840 ft |
| Fisher 4 | 12-047-24921 | Other status | Oil | Edwards, IL | Core Minerals Operating Co., Inc. | 4,304 ft |
| Rpu 6-5 | 12-193-32990 | Active | Oil | White, IL | Core Minerals Operating Co., Inc. | 3,990 ft |
| Roland Pool Unit Area II Tr. 24 6 | 12-193-32625 | Active | Oil | White, IL | Core Minerals Operating Co., Inc. | 3,990 ft |
| Roland Pool Unit Area II Tr. 7 4 | 12-193-29611 | Active | Oil | White, IL | Core Minerals Operating Co., Inc. | 3,990 ft |
| Manahan 1 | 12-191-33058 | Plugged & abandoned | Oil | Wayne, IL | Core Minerals Operating Co., Inc. | 3,260 ft |
| Mcclain, Jack D & Georgia Heirs 4 | 16-233-02731 | Active | Oil | Webster, KY | Core Minerals Operating Co Inc | 3,250 ft |
| Hatcher 2 | 12-191-33056 | Active | Injection | Wayne, IL | Core Minerals Operating Co., Inc. | 3,239 ft |
| Coen 1H | 12-159-26291 | Other status | Other type | Richland, IL | Core Minerals Operating Co., Inc. | 3,228 ft |
| Fieber L-4 | 12-047-24507 | Active | Injection | Edwards, IL | Core Minerals Operating Co., Inc. | 3,169 ft |
| Pepple, Robert 4 | 12-081-25156 | Other status | Oil | Jefferson, IL | Core Minerals Operating Co., Inc. | 3,153 ft |
| Pepple 3 | 12-081-25158 | Active | Oil | Jefferson, IL | Core Minerals Operating Co., Inc. | 3,148 ft |
Deepest first where depth is published. See all 101 wells →
Frequently asked questions
How many wells does Core Minerals Operating operate?
Core Minerals Operating is the operator of record for 101 catalogued oil & gas wells, with the largest concentration in Kentucky (73). Only wells in states WellCensus has ingested are counted.
How many of Core Minerals Operating's wells are still active?
40 of Core Minerals Operating's catalogued wells are active; 11 are plugged & abandoned.
In which states does Core Minerals Operating operate wells?
Core Minerals Operating is the operator of record for wells in Kentucky (73) and Illinois (28).
Does Core Minerals Operating operate mostly oil or gas wells?
32 of Core Minerals Operating's catalogued wells are oil wells and 12 are gas wells; the rest are injection, service or unclassified wells.
What is Core Minerals Operating's deepest well?
Among wells with a published depth, Geiger Minerals, LLC & Gough, Bill S, LLC 6-8-01nas in Union, KY is the deepest at 4,840 ft.
Where Core Minerals Operating's wells are
About this data
Source: State oil & gas regulator registries (operator of record as filed, exact-normalized across states) plus the USGS United States Documented Orphaned Well Database (2026), as published October 10, 2026 — WellCensus refreshes it monthly. See the methodology for how records are matched, cleaned and scored.
Cite as: WellCensus, “Core Minerals Operating — well portfolio”, https://wellcensus.com/operators/core-minerals-operating-66524 (data as of October 10, 2026).
Dataset updated . Operator portfolios are resolved from raw state registry filings (exact-normalized names; subsidiaries stay separate).