Harmony Oil
Operator of record for 16 catalogued wells across 2 states. Every well below links to its full registry page.
Filed as: HARMONY OIL LLC · Harmony Oil Corp
At a glance
Harmony Oil is the operator of record for 16 catalogued U.S. oil & gas wells in 2 states. 14 (88%) are active, 1 (6%) plugged & abandoned. Its largest concentration is in Oklahoma, with 14 wells (88% of its portfolio).
Wells operated
16
Active
14
Plugged
1
Orphaned
0
Portfolio by state
| State | Wells |
|---|---|
| Oklahoma | 14 |
| Illinois | 2 |
Well mix
- Oil wells
- 11
- Gas wells
- 1
- Shut-in
- 0
- Active share
- 88%
Is this your company?
Claim Harmony Oil to keep this portfolio accurate — verified operators can correct well statuses and add plugging documentation.
Claim your operator profileWhere does Harmony Oil operate?
Harmony Oil's catalogued wells are spread across 2 states: Oklahoma (14) and Illinois (2). Its 14 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 Harmony Oil’s wells are active, plugged or orphaned?
88% of Harmony Oil's catalogued wells are active, 59 percentage points above the national share of 29%. 6% are plugged & abandoned, against 47% nationally. None of the wells filed under this name is flagged as orphaned.
What kinds of wells does Harmony Oil operate?
By product class, 11 (69%) are oil wells and 1 (6%) gas wells; nationally the shares are 43% and 17%. The deepest of its wells with a published depth is Osborne, W.H. 1 in Montgomery, IL at 2,824 ft. The wells listed below sit in Montgomery (IL), Marion (IL) and Payne (OK). State filings spell the name 2 ways; WellCensus merges exact-normalized spellings only, so subsidiaries and affiliates keep their own pages.
Notable wells operated by Harmony Oil
| Well | API # / state ID | Status | Type | Location | Operator | Depth |
|---|---|---|---|---|---|---|
| Osborne, W.H. 1 | 12-135-00735 | Plugged & abandoned | Other type | Montgomery, IL | Harmony Oil Corp | 2,824 ft |
| Durham Green Comm 1 | 12-121-05112 | Other status | Oil | Marion, IL | Harmony Oil Corp | 858 ft |
| W.D. Cole #4 | 35-119-03889 | Active | Oil | Payne, OK | Harmony Oil LLC | — |
| Edge #1 | 35-119-03895 | Active | Other type | Payne, OK | Harmony Oil LLC | — |
| Laughlin W T #13 | 35-119-00531 | Active | Oil | Payne, OK | Harmony Oil LLC | — |
| Ozmun #1 | 35-119-03626 | Active | Oil | Payne, OK | Harmony Oil LLC | — |
| Cole #3 | 35-119-03878 | Active | Oil | Payne, OK | Harmony Oil LLC | — |
| W.D. Cole #8 | 35-119-03890 | Active | Oil | Payne, OK | Harmony Oil LLC | — |
| W.D. Cole #5 | 35-119-04109 | Active | Other type | Payne, OK | Harmony Oil LLC | — |
| W D Cole #7 | 35-119-04110 | Active | Gas | Payne, OK | Harmony Oil LLC | — |
| Laughlin Heirs #1 | 35-119-04228 | Active | Oil | Payne, OK | Harmony Oil LLC | — |
| W.D. Cole #6 | 35-119-04264 | Active | Oil | Payne, OK | Harmony Oil LLC | — |
Deepest first where depth is published. See all 16 wells →
Frequently asked questions
How many wells does Harmony Oil operate?
Harmony Oil is the operator of record for 16 catalogued oil & gas wells, with the largest concentration in Oklahoma (14). Only wells in states WellCensus has ingested are counted.
How many of Harmony Oil's wells are still active?
14 of Harmony Oil's catalogued wells are active; 1 are plugged & abandoned.
In which states does Harmony Oil operate wells?
Harmony Oil is the operator of record for wells in Oklahoma (14) and Illinois (2).
Does Harmony Oil operate mostly oil or gas wells?
11 of Harmony Oil's catalogued wells are oil wells and 1 are gas wells; the rest are injection, service or unclassified wells.
What is Harmony Oil's deepest well?
Among wells with a published depth, Osborne, W.H. 1 in Montgomery, IL is the deepest at 2,824 ft.
Where Harmony 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, “Harmony Oil — well portfolio”, https://wellcensus.com/operators/harmony-oil-1786 (data as of October 10, 2026).
Dataset updated . Operator portfolios are resolved from raw state registry filings (exact-normalized names; subsidiaries stay separate).