Keystone Oil
Operator of record for 147 catalogued wells across 4 states. Every well below links to its full registry page.
Filed as: KEYSTONE OIL COMPANY · Keystone Oil Co. · Keystone Oil Company
At a glance
Keystone Oil is the operator of record for 147 catalogued U.S. oil & gas wells in 4 states. 14 (10%) are active, 127 (86%) plugged & abandoned and 2 flagged as orphaned. Its largest concentration is in Illinois, with 130 wells (88% of its portfolio).
Wells operated
147
Active
14
Plugged
127
Orphaned
2
Portfolio by state
| State | Wells |
|---|---|
| Illinois | 130 |
| Oklahoma | 9 |
| Kansas | 5 |
| Wyoming | 3 |
Well mix
- Oil wells
- 70
- Gas wells
- 0
- Shut-in
- 1
- Active share
- 10%
Is this your company?
Claim Keystone Oil to keep this portfolio accurate — verified operators can correct well statuses and add plugging documentation.
Claim your operator profileWhere does Keystone Oil operate?
Keystone Oil's catalogued wells are spread across 4 states: Illinois (130), Oklahoma (9), Kansas (5) and Wyoming (3). Its 130 Illinois wells are 0.1% 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 Keystone Oil’s wells are active, plugged or orphaned?
10% of Keystone Oil's catalogued wells are active, 19 percentage points below the national share of 29%. 86% are plugged & abandoned, against 47% nationally. 1 wells (0.7%) are shut-in — unplugged but idle. 2 wells filed under this name are flagged as orphaned — unplugged, with no operator able to plug them.
What kinds of wells does Keystone Oil operate?
By product class, 70 (48%) 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 Woomer - Campbell Comm. 1 in Clay, IL at 4,620 ft. The wells listed below sit in Clay (IL), Jasper (IL), Marion (IL), Weston (WY), Hamilton (IL) and Wayne (IL). 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 Keystone Oil
| Well | API # / state ID | Status | Type | Location | Operator | Depth |
|---|---|---|---|---|---|---|
| Woomer - Campbell Comm. 1 | 12-025-01447 | Plugged & abandoned | Other type | Clay, IL | Keystone Oil Company | 4,620 ft |
| Ball, O. R. 1 | 12-079-00498 | Plugged & abandoned | Other type | Jasper, IL | Keystone Oil Company | 4,500 ft |
| Gordon 1 | 12-121-05022 | Plugged & abandoned | Other type | Marion, IL | Keystone Oil Company | 4,462 ft |
| State 1 | 49-045-06195 | Plugged & abandoned | Oil | Weston, WY | Keystone Oil Company | 3,727 ft |
| Laswell 1 | 12-065-01202 | Plugged & abandoned | Other type | Hamilton, IL | Keystone Oil Company | 3,444 ft |
| Moore May C 3 | 12-065-01306 | Plugged & abandoned | Other type | Hamilton, IL | Keystone Oil Company | 3,441 ft |
| Moore May C 1 | 12-065-01219 | Plugged & abandoned | Oil | Hamilton, IL | Keystone Oil Company | 3,431 ft |
| Seifert 1 | 12-191-03408 | Plugged & abandoned | Other type | Wayne, IL | Keystone Oil Company | 3,416 ft |
| Moore May C B-1 | 12-065-01242 | Plugged & abandoned | Other type | Hamilton, IL | Keystone Oil Company | 3,405 ft |
| Russell James 1 | 12-065-01221 | Plugged & abandoned | Other type | Hamilton, IL | Keystone Oil Company | 3,385 ft |
| Essary 1 | 12-065-00993 | Plugged & abandoned | Other type | Hamilton, IL | Keystone Oil Company | 3,347 ft |
| Hungate 1 | 12-065-01046 | Plugged & abandoned | Oil | Hamilton, IL | Keystone Oil Company | 3,335 ft |
Deepest first where depth is published. See all 147 wells →
Frequently asked questions
How many wells does Keystone Oil operate?
Keystone Oil is the operator of record for 147 catalogued oil & gas wells, with the largest concentration in Illinois (130). Only wells in states WellCensus has ingested are counted.
How many of Keystone Oil's wells are still active?
14 of Keystone Oil's catalogued wells are active; 127 are plugged & abandoned and 2 are flagged as orphaned.
In which states does Keystone Oil operate wells?
Keystone Oil is the operator of record for wells in Illinois (130), Oklahoma (9), Kansas (5) and Wyoming (3).
Does Keystone Oil operate mostly oil or gas wells?
70 of Keystone Oil's catalogued wells are oil wells and 0 are gas wells; the rest are injection, service or unclassified wells.
What is Keystone Oil's deepest well?
Among wells with a published depth, Woomer - Campbell Comm. 1 in Clay, IL is the deepest at 4,620 ft.
Where Keystone 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, “Keystone Oil — well portfolio”, https://wellcensus.com/operators/keystone-oil-18589 (data as of October 10, 2026).
Dataset updated . Operator portfolios are resolved from raw state registry filings (exact-normalized names; subsidiaries stay separate).