Gem Oil
Operator of record for 41 catalogued wells across 4 states. Every well below links to its full registry page.
Filed as: GEM OIL · GEM OIL COMPANY · Gem Oil Company
At a glance
Gem Oil is the operator of record for 41 catalogued U.S. oil & gas wells in 4 states. None is listed as active, 34 (83%) are plugged & abandoned and 1 flagged as orphaned. Its largest concentration is in Colorado, with 25 wells (61% of its portfolio).
Wells operated
41
Active
0
Plugged
34
Orphaned
1
Portfolio by state
| State | Wells |
|---|---|
| Colorado | 25 |
| California | 9 |
| Oklahoma | 4 |
| Wyoming | 3 |
Well mix
- Oil wells
- 13
- Gas wells
- 1
- Shut-in
- 0
- Active share
- 0%
Is this your company?
Claim Gem Oil to keep this portfolio accurate — verified operators can correct well statuses and add plugging documentation.
Claim your operator profileWhere does Gem Oil operate?
Gem Oil's catalogued wells are spread across 4 states: Colorado (25), California (9), Oklahoma (4) and Wyoming (3). Its 25 Colorado wells are 0.0% of the 124,327 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’s wells are active, plugged or orphaned?
0% of Gem Oil's catalogued wells are active, 29 percentage points below the national share of 29%. 83% 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 operate?
By product class, 13 (32%) are oil wells and 1 (2%) gas wells; nationally the shares are 43% and 17%. The deepest of its wells with a published depth is 1 Petersen in Morgan, CO at 6,479 ft. The wells listed below sit in Morgan (CO), Adams (CO), Logan (CO), Hot Springs (WY) and Washington (CO). State filings spell the name 3 ways; WellCensus merges exact-normalized spellings only, so subsidiaries and affiliates keep their own pages.
Notable wells operated by Gem Oil
| Well | API # / state ID | Status | Type | Location | Operator | Depth |
|---|---|---|---|---|---|---|
| 1 Petersen | 05-087-05817 | Plugged & abandoned | Other type | Morgan, CO | Gem Oil Company | 6,479 ft |
| 2 Mitchell | 05-001-05383 | Plugged & abandoned | Other type | Adams, CO | Gem Oil Company | 6,288 ft |
| 1 Scott | 05-087-05000 | Plugged & abandoned | Other type | Morgan, CO | Gem Oil Company | 6,068 ft |
| 4 State | 05-087-05029 | Plugged & abandoned | Other type | Morgan, CO | Gem Oil Company | 5,972 ft |
| 2 Kolettis | 05-001-05535 | Plugged & abandoned | Other type | Adams, CO | Gem Oil Company | 5,957 ft |
| 1 Midcap | 05-001-05479 | Plugged & abandoned | Other type | Adams, CO | Gem Oil Company | 5,938 ft |
| 1 Huffman Et Al | 05-075-06458 | Plugged & abandoned | Other type | Logan, CO | Gem Oil Company | 5,638 ft |
| 1 Sweeney | 05-001-05538 | Plugged & abandoned | Other type | Adams, CO | Gem Oil Company | 5,610 ft |
| 1 Mathewson | 05-075-06375 | Plugged & abandoned | Other type | Logan, CO | Gem Oil Company | 5,565 ft |
| Ireland Bloomer 1 | 49-017-05667 | Plugged & abandoned | Oil | Hot Springs, WY | Gem Oil | 5,562 ft |
| 1 Lennie F Johnson | 05-075-40032 | Plugged & abandoned | Other type | Logan, CO | Gem Oil Company | 5,233 ft |
| 1 Peters | 05-121-06789 | Plugged & abandoned | Other type | Washington, CO | Gem Oil Company | 5,033 ft |
Deepest first where depth is published. See all 41 wells →
Frequently asked questions
How many wells does Gem Oil operate?
Gem Oil is the operator of record for 41 catalogued oil & gas wells, with the largest concentration in Colorado (25). Only wells in states WellCensus has ingested are counted.
How many of Gem Oil's wells are still active?
0 of Gem Oil's catalogued wells are active; 34 are plugged & abandoned and 1 are flagged as orphaned.
In which states does Gem Oil operate wells?
Gem Oil is the operator of record for wells in Colorado (25), California (9), Oklahoma (4) and Wyoming (3).
Does Gem Oil operate mostly oil or gas wells?
13 of Gem Oil's catalogued wells are oil wells and 1 are gas wells; the rest are injection, service or unclassified wells.
What is Gem Oil's deepest well?
Among wells with a published depth, 1 Petersen in Morgan, CO is the deepest at 6,479 ft.
Where Gem Oil'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 — well portfolio”, https://wellcensus.com/operators/gem-oil-224 (data as of October 10, 2026).
Dataset updated . Operator portfolios are resolved from raw state registry filings (exact-normalized names; subsidiaries stay separate).