O Neal Gary
Operator of record for 10 catalogued wells across 1 state. Every well below links to its full registry page.
At a glance
O Neal Gary is the operator of record for 10 catalogued U.S. oil & gas wells in 1 state. 1 (10%) are active, 7 (70%) plugged & abandoned and 1 flagged as orphaned. Its largest concentration is in Illinois, with 10 wells (100% of its portfolio).
Wells operated
10
Active
1
Plugged
7
Orphaned
1
Portfolio by state
| State | Wells |
|---|---|
| Illinois | 10 |
Well mix
- Oil wells
- 5
- Gas wells
- 0
- Shut-in
- 0
- Active share
- 10%
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Claim your operator profileWhere does O Neal Gary operate?
O Neal Gary's catalogued wells are spread across 1 state: Illinois (10). Its 10 Illinois wells are 0.0% of the 174,478 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 O Neal Gary’s wells are active, plugged or orphaned?
10% of O Neal Gary's catalogued wells are active, 19 percentage points below the national share of 29%. 70% are plugged & abandoned, against 47% nationally. 1 wells filed under this name are flagged as orphaned — unplugged, with no operator able to plug them.
What kinds of wells does O Neal Gary operate?
By product class, 5 (50%) are oil wells and 0 (0%) gas wells; nationally the shares are 43% and 17%. The deepest of its wells with a published depth is O'Neal, Thurman 1 in White, IL at 4,125 ft. The wells listed below sit in White (IL), Gallatin (IL) and Clark (IL).
Notable wells operated by O Neal Gary
| Well | API # / state ID | Status | Type | Location | Operator | Depth |
|---|---|---|---|---|---|---|
| O'Neal, Thurman 1 | 12-193-31174 | Active | Oil | White, IL | O'Neal, Gary | 4,125 ft |
| Buttry 1 | 12-193-31232 | Plugged & abandoned | Other type | White, IL | O'Neal, Gary | 4,070 ft |
| O'Neal, Dillard 9 | 12-193-30529 | Other status | Oil | White, IL | O'Neal, Gary | 4,000 ft |
| O'Neal, Thurman 1-A | 12-193-06326 | Plugged & abandoned | Other type | White, IL | O'Neal, Gary | 3,210 ft |
| Herald Unit 42-S | 12-193-07481 | Plugged & abandoned | Other type | White, IL | O'Neal, Gary | 1,686 ft |
| Rollman A-3 | 12-059-24461 | Plugged & abandoned | Oil | Gallatin, IL | O'Neal, Gary | 1,598 ft |
| Rollman 3 | 12-059-24190 | Plugged & abandoned | Oil | Gallatin, IL | O'Neal, Gary | 1,580 ft |
| Wessel Charles 1-A | 12-193-31047 | Plugged & abandoned | Other type | White, IL | O'Neal, Gary | 810 ft |
| Keller, N. 1 | 12-023-24317 | Plugged & abandoned | Oil | Clark, IL | O'Neal, Gary | 620 ft |
| Rollman 5 | 12-059-24859 | Orphaned | Other type | Gallatin, IL | O'Neal, Gary | 450 ft |
Deepest first where depth is published. See all 10 wells →
Frequently asked questions
How many wells does O Neal Gary operate?
O Neal Gary is the operator of record for 10 catalogued oil & gas wells, with the largest concentration in Illinois (10). Only wells in states WellCensus has ingested are counted.
How many of O Neal Gary's wells are still active?
1 of O Neal Gary's catalogued wells are active; 7 are plugged & abandoned and 1 are flagged as orphaned.
In which states does O Neal Gary operate wells?
O Neal Gary is the operator of record for wells in Illinois (10).
Does O Neal Gary operate mostly oil or gas wells?
5 of O Neal Gary's catalogued wells are oil wells and 0 are gas wells; the rest are injection, service or unclassified wells.
What is O Neal Gary's deepest well?
Among wells with a published depth, O'Neal, Thurman 1 in White, IL is the deepest at 4,125 ft.
Where O Neal Gary'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, “O Neal Gary — well portfolio”, https://wellcensus.com/operators/o-neal-gary-66683 (data as of October 10, 2026).
Dataset updated . Operator portfolios are resolved from raw state registry filings (exact-normalized names; subsidiaries stay separate).