Halbert Jennings And Simic
Operator of record for 4 catalogued wells across 1 state. Every well below links to its full registry page.
At a glance
Halbert Jennings And Simic is the operator of record for 4 catalogued U.S. oil & gas wells in 1 state. None is listed as active, 4 (100%) are plugged & abandoned. Its largest concentration is in Wyoming, with 4 wells (100% of its portfolio).
Wells operated
4
Active
0
Plugged
4
Orphaned
0
Portfolio by state
| State | Wells |
|---|---|
| Wyoming | 4 |
Well mix
- Oil wells
- 4
- Gas wells
- 0
- Shut-in
- 0
- Active share
- 0%
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Claim your operator profileWhere does Halbert Jennings And Simic operate?
Halbert Jennings And Simic's catalogued wells are spread across 1 state: Wyoming (4). Its 4 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 Halbert Jennings And Simic’s wells are active, plugged or orphaned?
0% of Halbert Jennings And Simic'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 Halbert Jennings And Simic operate?
By product class, 4 (100%) are oil wells and 0 (0%) gas wells; nationally the shares are 43% and 17%. The deepest of its wells with a published depth is Federal-Wheatley 1 in Johnson, WY at 5,278 ft. The wells listed below sit in Johnson (WY), Park (WY), Washakie (WY) and Big Horn (WY).
Notable wells operated by Halbert Jennings And Simic
| Well | API # / state ID | Status | Type | Location | Operator | Depth |
|---|---|---|---|---|---|---|
| Federal-Wheatley 1 | 49-019-05546 | Plugged & abandoned | Oil | Johnson, WY | Halbert Jennings And Simic | 5,278 ft |
| Govt 1 | 49-029-05614 | Plugged & abandoned | Oil | Park, WY | Halbert Jennings And Simic | 4,815 ft |
| Govt 1 | 49-043-05024 | Plugged & abandoned | Oil | Washakie, WY | Halbert Jennings And Simic | 4,567 ft |
| Tillard 1 | 49-003-05541 | Plugged & abandoned | Oil | Big Horn, WY | Halbert Jennings And Simic | 3,075 ft |
Deepest first where depth is published. See all 4 wells →
Frequently asked questions
How many wells does Halbert Jennings And Simic operate?
Halbert Jennings And Simic is the operator of record for 4 catalogued oil & gas wells, with the largest concentration in Wyoming (4). Only wells in states WellCensus has ingested are counted.
How many of Halbert Jennings And Simic's wells are still active?
0 of Halbert Jennings And Simic's catalogued wells are active; 4 are plugged & abandoned.
In which states does Halbert Jennings And Simic operate wells?
Halbert Jennings And Simic is the operator of record for wells in Wyoming (4).
Does Halbert Jennings And Simic operate mostly oil or gas wells?
4 of Halbert Jennings And Simic's catalogued wells are oil wells and 0 are gas wells; the rest are injection, service or unclassified wells.
What is Halbert Jennings And Simic's deepest well?
Among wells with a published depth, Federal-Wheatley 1 in Johnson, WY is the deepest at 5,278 ft.
Where Halbert Jennings And Simic'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, “Halbert Jennings And Simic — well portfolio”, https://wellcensus.com/operators/halbert-jennings-and-simic-27309 (data as of October 10, 2026).
Dataset updated . Operator portfolios are resolved from raw state registry filings (exact-normalized names; subsidiaries stay separate).