Pure Oil
Operator of record for 2,920 catalogued wells across 13 states. Every well below links to its full registry page.
Filed as: PURE OIL · PURE OIL CO · PURE OIL CO. · PURE OIL COMPANY · …
At a glance
Pure Oil is the operator of record for 2,920 catalogued U.S. oil & gas wells in 13 states. 231 (8%) are active, 1,887 (65%) plugged & abandoned and 53 flagged as orphaned. Its largest concentration is in Illinois, with 2,000 wells (68% of its portfolio).
Wells operated
2,920
Active
231
Plugged
1,887
Orphaned
53
Portfolio by state
| State | Wells |
|---|---|
| Illinois | 2,000 |
| Michigan | 640 |
| Kentucky | 149 |
| Wyoming | 41 |
| Colorado | 26 |
| Mississippi | 21 |
| Montana | 18 |
| Arkansas | 7 |
| Utah | 7 |
| North Dakota | 4 |
| Oklahoma | 4 |
| Pennsylvania | 2 |
| Louisiana | 1 |
Well mix
- Oil wells
- 1,249
- Gas wells
- 29
- Shut-in
- 4
- Active share
- 8%
Is this your company?
Claim Pure Oil to keep this portfolio accurate — verified operators can correct well statuses and add plugging documentation.
Claim your operator profileWhere does Pure Oil operate?
Pure Oil's catalogued wells are spread across 13 states: Illinois (2,000), Michigan (640), Kentucky (149), Wyoming (41) and Colorado (26) and 8 more. Its 2,000 Illinois wells are 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 Pure Oil’s wells are active, plugged or orphaned?
8% of Pure Oil's catalogued wells are active, 21 percentage points below the national share of 29%. 65% are plugged & abandoned, against 47% nationally. 4 wells (0.1%) are shut-in — unplugged but idle. 53 wells filed under this name are flagged as orphaned — unplugged, with no operator able to plug them.
What kinds of wells does Pure Oil operate?
By product class, 1,249 (43%) are oil wells and 29 (1.0%) gas wells; nationally the shares are 43% and 17%. The deepest of its wells with a published depth is Unit 3 in Natrona, WY at 16,607 ft. The wells listed below sit in Natrona (WY), Johnson (WY), Uinta (WY), Montrose (CO), Franklin (MS) and San Miguel (CO) and other counties. State filings spell the name 8 ways; WellCensus merges exact-normalized spellings only, so subsidiaries and affiliates keep their own pages.
Notable wells operated by Pure Oil
| Well | API # / state ID | Status | Type | Location | Operator | Depth |
|---|---|---|---|---|---|---|
| Unit 3 | 49-025-05641 | Plugged & abandoned | Oil | Natrona, WY | Pure Oil | 16,607 ft |
| Unit 2-A | 49-025-06484 | Plugged & abandoned | Oil | Natrona, WY | Pure Oil | 16,500 ft |
| Unit 1 | 49-019-06080 | Plugged & abandoned | Oil | Johnson, WY | Pure Oil | 13,861 ft |
| Govt 1 | 49-041-05065 | Plugged & abandoned | Gas | Uinta, WY | Pure Oil | 13,680 ft |
| 3 Wray Mesa Unit | 05-085-05018 | Plugged & abandoned | Other type | Montrose, CO | Pure Oil Co. | 11,301 ft |
| Ezell Heirs 1 1 | 23-037-00722 | Plugged & abandoned | Other type | Franklin, MS | Pure Oil Co. | 10,826 ft |
| 4 Mcintyre Canyon | 05-113-05019 | Plugged & abandoned | Other type | San Miguel, CO | Pure Oil Co. | 10,820 ft |
| Govt-Unit 5 | 49-025-05720 | Plugged & abandoned | Oil | Natrona, WY | Pure Oil | 10,468 ft |
| Unit 2 | 49-025-05684 | Plugged & abandoned | Oil | Natrona, WY | Pure Oil | 10,221 ft |
| 5 Mcintyre Canyon Unit | 05-113-05022 | Plugged & abandoned | Other type | San Miguel, CO | Pure Oil Co. | 10,154 ft |
| A L Chapman 1 1 | 23-021-00029 | Plugged & abandoned | Other type | Claiborne, MS | Pure Oil Co. | 10,128 ft |
| State 1 | 25-017-05018 | Plugged & abandoned | Other type | Custer, MT | Pure Oil | 10,018 ft |
Deepest first where depth is published. See all 2,920 wells →
Frequently asked questions
How many wells does Pure Oil operate?
Pure Oil is the operator of record for 2,920 catalogued oil & gas wells, with the largest concentration in Illinois (2,000). Only wells in states WellCensus has ingested are counted.
How many of Pure Oil's wells are still active?
231 of Pure Oil's catalogued wells are active; 1,887 are plugged & abandoned and 53 are flagged as orphaned.
In which states does Pure Oil operate wells?
Pure Oil is the operator of record for wells in Illinois (2,000), Michigan (640), Kentucky (149), Wyoming (41), Colorado (26), Mississippi (21), Montana (18), Arkansas (7), Utah (7), North Dakota (4), Oklahoma (4), Pennsylvania (2) and Louisiana (1).
Does Pure Oil operate mostly oil or gas wells?
1,249 of Pure Oil's catalogued wells are oil wells and 29 are gas wells; the rest are injection, service or unclassified wells.
What is Pure Oil's deepest well?
Among wells with a published depth, Unit 3 in Natrona, WY is the deepest at 16,607 ft.
Where Pure Oil's wells are
- Oil & gas wells in Illinois· 2,000 operated by Pure Oil
- Oil & gas wells in Michigan· 640 operated by Pure Oil
- Oil & gas wells in Kentucky· 149 operated by Pure Oil
- Oil & gas wells in Wyoming· 41 operated by Pure Oil
- Oil & gas wells in Colorado· 26 operated by Pure Oil
- Oil & gas wells in Mississippi· 21 operated by Pure Oil
- Largest U.S. well operators
- All well operators
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, “Pure Oil — well portfolio”, https://wellcensus.com/operators/pure-oil-3080 (data as of October 10, 2026).
Dataset updated . Operator portfolios are resolved from raw state registry filings (exact-normalized names; subsidiaries stay separate).