Leonoco
Operator of record for 6 catalogued wells across 1 state. Every well below links to its full registry page.
At a glance
Leonoco is the operator of record for 6 catalogued U.S. oil & gas wells in 1 state. None is listed as active, 6 (100%) are plugged & abandoned. Its largest concentration is in Oklahoma, with 6 wells (100% of its portfolio).
Wells operated
6
Active
0
Plugged
6
Orphaned
0
Portfolio by state
| State | Wells |
|---|---|
| Oklahoma | 6 |
Well mix
- Oil wells
- 1
- Gas wells
- 0
- Shut-in
- 0
- Active share
- 0%
Is this your company?
Claim Leonoco to keep this portfolio accurate — verified operators can correct well statuses and add plugging documentation.
Claim your operator profileWhere does Leonoco operate?
Leonoco's catalogued wells are spread across 1 state: Oklahoma (6). Its 6 Oklahoma wells are 0.0% of the 456,595 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 Leonoco’s wells are active, plugged or orphaned?
0% of Leonoco'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 Leonoco operate?
By product class, 1 (17%) are oil wells and 0 (0%) gas wells; nationally the shares are 43% and 17%. The wells listed below sit in Canadian (OK) and Grant (OK).
Notable wells operated by Leonoco
| Well | API # / state ID | Status | Type | Location | Operator | Depth |
|---|---|---|---|---|---|---|
| White #12-2 | 35-017-22534 | Plugged & abandoned | Other type | Canadian, OK | Leonoco Inc | — |
| Siegrist #24-2 | 35-017-22651 | Plugged & abandoned | Oil | Canadian, OK | Leonoco Inc | — |
| Wilkens #16-2 | 35-053-21536 | Plugged & abandoned | Other type | Grant, OK | Leonoco Inc | — |
| Jkj #1 | 35-053-21555 | Plugged & abandoned | Injection | Grant, OK | Leonoco Inc | — |
| Kimberly-Jo #23-2 | 35-053-21574 | Plugged & abandoned | Other type | Grant, OK | Leonoco Inc | — |
| Bules #34-1 | 35-053-21582 | Plugged & abandoned | Other type | Grant, OK | Leonoco Inc | — |
Deepest first where depth is published. See all 6 wells →
Frequently asked questions
How many wells does Leonoco operate?
Leonoco is the operator of record for 6 catalogued oil & gas wells, with the largest concentration in Oklahoma (6). Only wells in states WellCensus has ingested are counted.
How many of Leonoco's wells are still active?
0 of Leonoco's catalogued wells are active; 6 are plugged & abandoned.
In which states does Leonoco operate wells?
Leonoco is the operator of record for wells in Oklahoma (6).
Does Leonoco operate mostly oil or gas wells?
1 of Leonoco's catalogued wells are oil wells and 0 are gas wells; the rest are injection, service or unclassified wells.
Where Leonoco'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, “Leonoco — well portfolio”, https://wellcensus.com/operators/leonoco-7991 (data as of October 10, 2026).
Dataset updated . Operator portfolios are resolved from raw state registry filings (exact-normalized names; subsidiaries stay separate).