Lyon John J
Operator of record for 29 catalogued wells across 1 state. Every well below links to its full registry page.
At a glance
Lyon John J is the operator of record for 29 catalogued U.S. oil & gas wells in 1 state. None is listed as active, 29 (100%) are plugged & abandoned. Its largest concentration is in Montana, with 29 wells (100% of its portfolio).
Wells operated
29
Active
0
Plugged
29
Orphaned
0
Portfolio by state
| State | Wells |
|---|---|
| Montana | 29 |
Well mix
- Oil wells
- 2
- Gas wells
- 5
- Shut-in
- 0
- Active share
- 0%
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Claim your operator profileWhere does Lyon John J operate?
Lyon John J's catalogued wells are spread across 1 state: Montana (29). Its 29 Montana wells are 0.1% of the 42,011 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 Lyon John J’s wells are active, plugged or orphaned?
0% of Lyon John J's catalogued wells are active, 29 percentage points below the national share of 29%. 100% are plugged & abandoned, against 47% nationally. None of the wells filed under this name is flagged as orphaned.
What kinds of wells does Lyon John J operate?
By product class, 2 (7%) are oil wells and 5 (17%) gas wells; nationally the shares are 43% and 17%. The deepest of its wells with a published depth is Coffee 16x-1 in Rosebud, MT at 6,078 ft. The wells listed below sit in Rosebud (MT), Blaine (MT), Hill (MT), Glacier (MT), Liberty (MT) and Toole (MT).
Notable wells operated by Lyon John J
| Well | API # / state ID | Status | Type | Location | Operator | Depth |
|---|---|---|---|---|---|---|
| Coffee 16x-1 | 25-087-21300 | Plugged & abandoned | Other type | Rosebud, MT | Lyon, John J. | 6,078 ft |
| Keller 7-19 | 25-005-21891 | Plugged & abandoned | Gas | Blaine, MT | Lyon, John J. | 5,925 ft |
| McCann 6-6 | 25-041-21995 | Plugged & abandoned | Other type | Hill, MT | Lyon, John J. | 3,354 ft |
| Doyle 4-8 | 25-041-22091 | Plugged & abandoned | Other type | Hill, MT | Lyon, John J. | 3,340 ft |
| Reichoff 1 | 25-035-06232 | Plugged & abandoned | Oil | Glacier, MT | Lyon, John J. | 2,981 ft |
| Williamson 4-15 | 25-005-21921 | Plugged & abandoned | Gas | Blaine, MT | Lyon, John J. | 2,900 ft |
| Moorhead 2-11 | 25-035-21358 | Plugged & abandoned | Other type | Glacier, MT | Lyon, John J. | 2,817 ft |
| 11-5-31-5 | 25-051-21467 | Plugged & abandoned | Other type | Liberty, MT | Lyon, John J. | 2,800 ft |
| Mcalpine 11-23 | 25-101-21530 | Plugged & abandoned | Other type | Toole, MT | Lyon, John J. | 2,791 ft |
| Farbo 1 | 25-101-21406 | Plugged & abandoned | Other type | Toole, MT | Lyon, John J. | 2,570 ft |
| Fey-Apex 1 | 25-101-07337 | Plugged & abandoned | Other type | Toole, MT | Lyon, John J. | 2,475 ft |
| Fey-Apex 22-34 | 25-101-08658 | Plugged & abandoned | Other type | Toole, MT | Lyon, John J. | 2,350 ft |
Deepest first where depth is published. See all 29 wells →
Frequently asked questions
How many wells does Lyon John J operate?
Lyon John J is the operator of record for 29 catalogued oil & gas wells, with the largest concentration in Montana (29). Only wells in states WellCensus has ingested are counted.
How many of Lyon John J's wells are still active?
0 of Lyon John J's catalogued wells are active; 29 are plugged & abandoned.
In which states does Lyon John J operate wells?
Lyon John J is the operator of record for wells in Montana (29).
Does Lyon John J operate mostly oil or gas wells?
2 of Lyon John J's catalogued wells are oil wells and 5 are gas wells; the rest are injection, service or unclassified wells.
What is Lyon John J's deepest well?
Among wells with a published depth, Coffee 16x-1 in Rosebud, MT is the deepest at 6,078 ft.
Where Lyon John J'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, “Lyon John J — well portfolio”, https://wellcensus.com/operators/lyon-john-j-127408 (data as of October 10, 2026).
Dataset updated . Operator portfolios are resolved from raw state registry filings (exact-normalized names; subsidiaries stay separate).