Gem Oil & Gas
Operator of record for 31 catalogued wells across 1 state. Every well below links to its full registry page.
At a glance
Gem Oil & Gas is the operator of record for 31 catalogued U.S. oil & gas wells in 1 state. 7 (23%) are active, 20 (65%) plugged & abandoned and 1 flagged as orphaned. Its largest concentration is in Illinois, with 31 wells (100% of its portfolio).
Wells operated
31
Active
7
Plugged
20
Orphaned
1
Portfolio by state
| State | Wells |
|---|---|
| Illinois | 31 |
Well mix
- Oil wells
- 23
- Gas wells
- 0
- Shut-in
- 0
- Active share
- 23%
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Claim your operator profileWhere does Gem Oil & Gas operate?
Gem Oil & Gas's catalogued wells are spread across 1 state: Illinois (31). Its 31 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 Gem Oil & Gas’s wells are active, plugged or orphaned?
23% of Gem Oil & Gas's catalogued wells are active, 6 percentage points below the national share of 29%. 65% 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 Gem Oil & Gas operate?
By product class, 23 (74%) 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 Downen 9 in White, IL at 5,265 ft. The wells listed below sit in White (IL), Wayne (IL) and Edwards (IL).
Notable wells operated by Gem Oil & Gas
| Well | API # / state ID | Status | Type | Location | Operator | Depth |
|---|---|---|---|---|---|---|
| Downen 9 | 12-193-29685 | Plugged & abandoned | Oil | White, IL | Gem Oil & Gas Co. | 5,265 ft |
| Sams, Leroy 1 | 12-191-30904 | Plugged & abandoned | Oil | Wayne, IL | Gem Oil & Gas Co. | 4,450 ft |
| Saunders, Howard etal 2 | 12-193-30315 | Plugged & abandoned | Oil | White, IL | Gem Oil & Gas Co. | 4,240 ft |
| Sutton etal 1 | 12-193-30230 | Plugged & abandoned | Oil | White, IL | Gem Oil & Gas Co. | 4,223 ft |
| Sutton-Austin Unit 1 | 12-193-30428 | Plugged & abandoned | Other type | White, IL | Gem Oil & Gas Co. | 4,200 ft |
| Knackmuhs, Richard "B" 1 | 12-047-23782 | Active | Oil | Edwards, IL | Gem Oil & Gas Co. | 4,123 ft |
| Knackmuhs 2 | 12-047-23910 | Plugged & abandoned | Oil | Edwards, IL | Gem Oil & Gas Co. | 4,118 ft |
| Dowen 7 | 12-193-29683 | Plugged & abandoned | Oil | White, IL | Gem Oil & Gas Co. | 4,025 ft |
| Knackmuhs Richard 1 | 12-047-23654 | Plugged & abandoned | Oil | Edwards, IL | Gem Oil & Gas Co. | 3,989 ft |
| Downen 2 | 12-193-29527 | Other status | Oil | White, IL | Gem Oil & Gas Co. | 3,901 ft |
| Downen 6 | 12-193-29682 | Other status | Oil | White, IL | Gem Oil & Gas Co. | 3,900 ft |
| Downen 1 | 12-193-29410 | Plugged & abandoned | Oil | White, IL | Gem Oil & Gas Co. | 3,900 ft |
Deepest first where depth is published. See all 31 wells →
Frequently asked questions
How many wells does Gem Oil & Gas operate?
Gem Oil & Gas is the operator of record for 31 catalogued oil & gas wells, with the largest concentration in Illinois (31). Only wells in states WellCensus has ingested are counted.
How many of Gem Oil & Gas's wells are still active?
7 of Gem Oil & Gas's catalogued wells are active; 20 are plugged & abandoned and 1 are flagged as orphaned.
In which states does Gem Oil & Gas operate wells?
Gem Oil & Gas is the operator of record for wells in Illinois (31).
Does Gem Oil & Gas operate mostly oil or gas wells?
23 of Gem Oil & Gas's catalogued wells are oil wells and 0 are gas wells; the rest are injection, service or unclassified wells.
What is Gem Oil & Gas's deepest well?
Among wells with a published depth, Downen 9 in White, IL is the deepest at 5,265 ft.
Where Gem Oil & Gas'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, “Gem Oil & Gas — well portfolio”, https://wellcensus.com/operators/gem-oil-gas-66474 (data as of October 10, 2026).
Dataset updated . Operator portfolios are resolved from raw state registry filings (exact-normalized names; subsidiaries stay separate).