Katselas Cg
Operator of record for 3 catalogued wells across 2 states. Every well below links to its full registry page.
Filed as: KATSELAS C G · Katselas, C.G. LLC
At a glance
Katselas Cg is the operator of record for 3 catalogued U.S. oil & gas wells in 2 states. None is listed as active, 3 (100%) are plugged & abandoned. Its largest concentration is in Ohio, with 2 wells (67% of its portfolio).
Wells operated
3
Active
0
Plugged
3
Orphaned
0
Portfolio by state
| State | Wells |
|---|---|
| Ohio | 2 |
| Montana | 1 |
Well mix
- Oil wells
- 2
- Gas wells
- 0
- Shut-in
- 0
- Active share
- 0%
Is this your company?
Claim Katselas Cg to keep this portfolio accurate — verified operators can correct well statuses and add plugging documentation.
Claim your operator profileWhere does Katselas Cg operate?
Katselas Cg's catalogued wells are spread across 2 states: Ohio (2) and Montana (1). Its 1 Montana wells are 0.0% 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 Katselas Cg’s wells are active, plugged or orphaned?
0% of Katselas Cg'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 Katselas Cg operate?
By product class, 2 (67%) 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 Herco Federal 13-31 in Musselshell, MT at 3,810 ft. The wells listed below sit in Musselshell (MT) and Morrow (OH). 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 Katselas Cg
| Well | API # / state ID | Status | Type | Location | Operator | Depth |
|---|---|---|---|---|---|---|
| Herco Federal 13-31 | 25-065-21855 | Plugged & abandoned | Other type | Musselshell, MT | Katselas, C.G. LLC | 3,810 ft |
| Long W 1 | 34-117-23975 | Plugged & abandoned | Oil | Morrow, OH | Katselas C G | 3,186 ft |
| Gruber C & B 1 | 34-117-23958 | Plugged & abandoned | Oil | Morrow, OH | Katselas C G | 2,936 ft |
Deepest first where depth is published. See all 3 wells →
Frequently asked questions
How many wells does Katselas Cg operate?
Katselas Cg is the operator of record for 3 catalogued oil & gas wells, with the largest concentration in Ohio (2). Only wells in states WellCensus has ingested are counted.
How many of Katselas Cg's wells are still active?
0 of Katselas Cg's catalogued wells are active; 3 are plugged & abandoned.
In which states does Katselas Cg operate wells?
Katselas Cg is the operator of record for wells in Ohio (2) and Montana (1).
Does Katselas Cg operate mostly oil or gas wells?
2 of Katselas Cg's catalogued wells are oil wells and 0 are gas wells; the rest are injection, service or unclassified wells.
What is Katselas Cg's deepest well?
Among wells with a published depth, Herco Federal 13-31 in Musselshell, MT is the deepest at 3,810 ft.
Where Katselas Cg'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, “Katselas Cg — well portfolio”, https://wellcensus.com/operators/katselas-cg-88522 (data as of October 10, 2026).
Dataset updated . Operator portfolios are resolved from raw state registry filings (exact-normalized names; subsidiaries stay separate).