Fossil Energy
Operator of record for 135 catalogued wells across 3 states. Every well below links to its full registry page.
Filed as: FOSSIL ENERGY INC · FOSSIL ENERGY, INC · Fossil Energy, LLC
At a glance
Fossil Energy is the operator of record for 135 catalogued U.S. oil & gas wells in 3 states. 50 (37%) are active, 23 (17%) plugged & abandoned and 17 flagged as orphaned. Its largest concentration is in Kansas, with 58 wells (43% of its portfolio).
Wells operated
135
Active
50
Plugged
23
Orphaned
17
Portfolio by state
| State | Wells |
|---|---|
| Kansas | 58 |
| Wyoming | 55 |
| Kentucky | 22 |
Well mix
- Oil wells
- 102
- Gas wells
- 1
- Shut-in
- 39
- Active share
- 37%
Is this your company?
Claim Fossil Energy to keep this portfolio accurate — verified operators can correct well statuses and add plugging documentation.
Claim your operator profileWhere does Fossil Energy operate?
Fossil Energy's catalogued wells are spread across 3 states: Kansas (58), Wyoming (55) and Kentucky (22). Its 55 Wyoming wells are 0.0% of the 129,957 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 Fossil Energy’s wells are active, plugged or orphaned?
37% of Fossil Energy's catalogued wells are active, 8 percentage points above the national share of 29%. 17% are plugged & abandoned, against 47% nationally. 39 wells (29%) are shut-in — unplugged but idle. 17 wells filed under this name are flagged as orphaned — unplugged, with no operator able to plug them.
What kinds of wells does Fossil Energy operate?
By product class, 102 (76%) are oil wells and 1 (0.7%) gas wells; nationally the shares are 43% and 17%. The deepest of its wells with a published depth is Hagaman 4 in Russell, KS at 4,355 ft. The wells listed below sit in Russell (KS), Ellis (KS), Graham (KS), Decatur (KS), Rooks (KS) and Barton (KS) and other counties. 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 Fossil Energy
| Well | API # / state ID | Status | Type | Location | Operator | Depth |
|---|---|---|---|---|---|---|
| Hagaman 4 | 15-167-23805 | Active | Oil | Russell, KS | Fossil Energy, LLC | 4,355 ft |
| Dreiling 'C' 1 | 15-051-25677 | Active | Oil | Ellis, KS | Fossil Energy, LLC | 3,940 ft |
| Stehno 1 | 15-065-21140 | Active | Injection | Graham, KS | Fossil Energy, LLC | 3,809 ft |
| Stehno 1 | 15-065-23739 | Active | Oil | Graham, KS | Fossil Energy, LLC | 3,750 ft |
| Vanover 1 | 15-039-21255 | Plugged & abandoned | Other type | Decatur, KS | Fossil Energy, LLC | 3,680 ft |
| Satran 1 | 15-163-23578 | Active | Oil | Rooks, KS | Fossil Energy, LLC | 3,628 ft |
| Siefers 'B' 2 | 15-009-23089 | Active | Injection | Barton, KS | Fossil Energy, LLC | 3,602 ft |
| Lee 1 | 15-009-26228 | Plugged & abandoned | Other type | Barton, KS | Fossil Energy, LLC | 3,600 ft |
| Prairie Land 1 | 15-137-20766 | Plugged & abandoned | Other type | Norton, KS | Fossil Energy, LLC | 3,580 ft |
| Simoneau 1 | 15-065-24176 | Plugged & abandoned | Other type | Graham, KS | Fossil Energy, LLC | 3,575 ft |
| Henderson 1 | 15-137-00268 | Active | Oil | Norton, KS | Fossil Energy, LLC | 3,551 ft |
| Witt 4 | 15-051-20466 | Active | Oil | Ellis, KS | Fossil Energy, LLC | 3,540 ft |
Deepest first where depth is published. See all 135 wells →
Frequently asked questions
How many wells does Fossil Energy operate?
Fossil Energy is the operator of record for 135 catalogued oil & gas wells, with the largest concentration in Kansas (58). Only wells in states WellCensus has ingested are counted.
How many of Fossil Energy's wells are still active?
50 of Fossil Energy's catalogued wells are active; 23 are plugged & abandoned and 17 are flagged as orphaned.
In which states does Fossil Energy operate wells?
Fossil Energy is the operator of record for wells in Kansas (58), Wyoming (55) and Kentucky (22).
Does Fossil Energy operate mostly oil or gas wells?
102 of Fossil Energy's catalogued wells are oil wells and 1 are gas wells; the rest are injection, service or unclassified wells.
What is Fossil Energy's deepest well?
Among wells with a published depth, Hagaman 4 in Russell, KS is the deepest at 4,355 ft.
Where Fossil Energy'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, “Fossil Energy — well portfolio”, https://wellcensus.com/operators/fossil-energy-3390 (data as of October 10, 2026).
Dataset updated . Operator portfolios are resolved from raw state registry filings (exact-normalized names; subsidiaries stay separate).