Groh Jr Millard
Operator of record for 2 catalogued wells across 1 state. Every well below links to its full registry page.
At a glance
Groh Jr Millard is the operator of record for 2 catalogued U.S. oil & gas wells in 1 state. 1 (50%) are active, 1 (50%) plugged & abandoned. Its largest concentration is in Ohio, with 2 wells (100% of its portfolio).
Wells operated
2
Active
1
Plugged
1
Orphaned
0
Portfolio by state
| State | Wells |
|---|---|
| Ohio | 2 |
Well mix
- Oil wells
- 2
- Gas wells
- 0
- Shut-in
- 0
- Active share
- 50%
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Claim Groh Jr Millard to keep this portfolio accurate — verified operators can correct well statuses and add plugging documentation.
Claim your operator profileWhere does Groh Jr Millard operate?
Groh Jr Millard's catalogued wells are spread across 1 state: Ohio (2). Its 2 Ohio wells are 0.0% of the 242,052 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 Groh Jr Millard’s wells are active, plugged or orphaned?
50% of Groh Jr Millard's catalogued wells are active, 21 percentage points above the national share of 29%. 50% are plugged & abandoned, against 47% nationally. None of the wells filed under this name is flagged as orphaned.
What kinds of wells does Groh Jr Millard operate?
By product class, 2 (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 Johnson Willard 1 in Guernsey, OH at 6,102 ft.
Notable wells operated by Groh Jr Millard
| Well | API # / state ID | Status | Type | Location | Operator | Depth |
|---|---|---|---|---|---|---|
| Johnson Willard 1 | 34-059-22155 | Plugged & abandoned | Oil | Guernsey, OH | Groh Jr Millard | 6,102 ft |
| Smith Charles 1 | 34-059-22186 | Active | Oil | Guernsey, OH | Groh Jr Millard | 5,574 ft |
Deepest first where depth is published. See all 2 wells →
Frequently asked questions
How many wells does Groh Jr Millard operate?
Groh Jr Millard is the operator of record for 2 catalogued oil & gas wells, with the largest concentration in Ohio (2). Only wells in states WellCensus has ingested are counted.
How many of Groh Jr Millard's wells are still active?
1 of Groh Jr Millard's catalogued wells are active; 1 are plugged & abandoned.
In which states does Groh Jr Millard operate wells?
Groh Jr Millard is the operator of record for wells in Ohio (2).
Does Groh Jr Millard operate mostly oil or gas wells?
2 of Groh Jr Millard's catalogued wells are oil wells and 0 are gas wells; the rest are injection, service or unclassified wells.
What is Groh Jr Millard's deepest well?
Among wells with a published depth, Johnson Willard 1 in Guernsey, OH is the deepest at 6,102 ft.
Where Groh Jr Millard'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, “Groh Jr Millard — well portfolio”, https://wellcensus.com/operators/groh-jr-millard-80815 (data as of October 10, 2026).
Dataset updated . Operator portfolios are resolved from raw state registry filings (exact-normalized names; subsidiaries stay separate).