Hhl Development
Operator of record for 10 catalogued wells across 1 state. Every well below links to its full registry page.
At a glance
Hhl Development is the operator of record for 10 catalogued U.S. oil & gas wells in 1 state. 9 (90%) are active, 1 (10%) plugged & abandoned. Its largest concentration is in Oklahoma, with 10 wells (100% of its portfolio).
Wells operated
10
Active
9
Plugged
1
Orphaned
0
Portfolio by state
| State | Wells |
|---|---|
| Oklahoma | 10 |
Well mix
- Oil wells
- 4
- Gas wells
- 6
- Shut-in
- 0
- Active share
- 90%
Is this your company?
Claim Hhl Development to keep this portfolio accurate — verified operators can correct well statuses and add plugging documentation.
Claim your operator profileWhere does Hhl Development operate?
Hhl Development's catalogued wells are spread across 1 state: Oklahoma (10). Its 10 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 Hhl Development’s wells are active, plugged or orphaned?
90% of Hhl Development's catalogued wells are active, 61 percentage points above the national share of 29%. 10% are plugged & abandoned, against 47% nationally. None of the wells filed under this name is flagged as orphaned.
What kinds of wells does Hhl Development operate?
By product class, 4 (40%) are oil wells and 6 (60%) gas wells; nationally the shares are 43% and 17%.
Notable wells operated by Hhl Development
| Well | API # / state ID | Status | Type | Location | Operator | Depth |
|---|---|---|---|---|---|---|
| Clara Hayes #3 | 35-047-00946 | Active | Oil | Garfield, OK | Hhl Development Inc | — |
| Postier #1 | 35-047-00901 | Active | Oil | Garfield, OK | Hhl Development Inc | — |
| Postier #2 | 35-047-00902 | Active | Oil | Garfield, OK | Hhl Development Inc | — |
| Rhodes #1 | 35-047-00941 | Plugged & abandoned | Gas | Garfield, OK | Hhl Development Inc | — |
| Clara Hayes #1 | 35-047-00945 | Active | Oil | Garfield, OK | Hhl Development Inc | — |
| Halsey #1 | 35-047-02118 | Active | Gas | Garfield, OK | Hhl Development Inc | — |
| Sebranek #1 | 35-047-21401 | Active | Gas | Garfield, OK | Hhl Development Inc | — |
| State School Land #1 | 35-047-21993 | Active | Gas | Garfield, OK | Hhl Development Inc | — |
| State School Land #2 | 35-047-23020 | Active | Gas | Garfield, OK | Hhl Development Inc | — |
| Anderson #1-A | 35-047-24055 | Active | Gas | Garfield, OK | Hhl Development Inc | — |
Deepest first where depth is published. See all 10 wells →
Frequently asked questions
How many wells does Hhl Development operate?
Hhl Development is the operator of record for 10 catalogued oil & gas wells, with the largest concentration in Oklahoma (10). Only wells in states WellCensus has ingested are counted.
How many of Hhl Development's wells are still active?
9 of Hhl Development's catalogued wells are active; 1 are plugged & abandoned.
In which states does Hhl Development operate wells?
Hhl Development is the operator of record for wells in Oklahoma (10).
Does Hhl Development operate mostly oil or gas wells?
4 of Hhl Development's catalogued wells are oil wells and 6 are gas wells; the rest are injection, service or unclassified wells.
Where Hhl Development'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, “Hhl Development — well portfolio”, https://wellcensus.com/operators/hhl-development-1142 (data as of October 10, 2026).
Dataset updated . Operator portfolios are resolved from raw state registry filings (exact-normalized names; subsidiaries stay separate).