Mason John C
Operator of record for 72 catalogued wells across 1 state. Every well below links to its full registry page.
At a glance
Mason John C is the operator of record for 72 catalogued U.S. oil & gas wells in 1 state. None is listed as active, 55 (76%) are plugged & abandoned and 1 flagged as orphaned. Its largest concentration is in Ohio, with 72 wells (100% of its portfolio).
Wells operated
72
Active
0
Plugged
55
Orphaned
1
Portfolio by state
| State | Wells |
|---|---|
| Ohio | 72 |
Well mix
- Oil wells
- 72
- Gas wells
- 0
- Shut-in
- 0
- Active share
- 0%
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Claim Mason John C to keep this portfolio accurate — verified operators can correct well statuses and add plugging documentation.
Claim your operator profileWhere does Mason John C operate?
Mason John C's catalogued wells are spread across 1 state: Ohio (72). Its 72 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 Mason John C’s wells are active, plugged or orphaned?
0% of Mason John C's catalogued wells are active, 29 percentage points below the national share of 29%. 76% are plugged & abandoned, against 47% nationally. 1 wells filed under this name are flagged as orphaned — unplugged, with no operator able to plug them.
What kinds of wells does Mason John C operate?
By product class, 72 (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 Junior D Yoder Unit 1 in Wayne, OH at 4,270 ft. The wells listed below sit in Wayne (OH) and Holmes (OH).
Notable wells operated by Mason John C
| Well | API # / state ID | Status | Type | Location | Operator | Depth |
|---|---|---|---|---|---|---|
| Junior D Yoder Unit 1 | 34-169-24202 | Plugged & abandoned | Oil | Wayne, OH | Mason John C | 4,270 ft |
| Yoder Jacob D Unit 1 | 34-075-21416 | Plugged & abandoned | Oil | Holmes, OH | Mason John C | 4,196 ft |
| Miller J M Unit 1 | 34-075-21433 | Plugged & abandoned | Oil | Holmes, OH | Mason John C | 4,153 ft |
| Yoder David J 1 | 34-075-21520 | Plugged & abandoned | Oil | Holmes, OH | Mason John C | 4,118 ft |
| Troyer Jonas R & Katherine 1 | 34-075-24303 | Plugged & abandoned | Oil | Holmes, OH | Mason John C | 4,026 ft |
| Hochstetler Jonas 1 | 34-075-24403 | Plugged & abandoned | Oil | Holmes, OH | Mason John C | 3,995 ft |
| Schlabach Noah 1 | 34-075-24009 | Plugged & abandoned | Oil | Holmes, OH | Mason John C | 3,994 ft |
| Gingerich Ervin & Esther 1 | 34-075-24067 | Plugged & abandoned | Oil | Holmes, OH | Mason John C | 3,976 ft |
| Dan C Yoder-Mattie Byer Unit 1 | 34-169-21798 | Plugged & abandoned | Oil | Wayne, OH | Mason John C | 3,928 ft |
| Kandel Joe & Lydia 1 | 34-075-24304 | Plugged & abandoned | Oil | Holmes, OH | Mason John C | 3,916 ft |
| Raber Unit 1 | 34-075-21687 | Plugged & abandoned | Oil | Holmes, OH | Mason John C | 3,889 ft |
| Uhl Robert R 1 | 34-075-21847 | Plugged & abandoned | Oil | Holmes, OH | Mason John C | 3,710 ft |
Deepest first where depth is published. See all 72 wells →
Frequently asked questions
How many wells does Mason John C operate?
Mason John C is the operator of record for 72 catalogued oil & gas wells, with the largest concentration in Ohio (72). Only wells in states WellCensus has ingested are counted.
How many of Mason John C's wells are still active?
0 of Mason John C's catalogued wells are active; 55 are plugged & abandoned and 1 are flagged as orphaned.
In which states does Mason John C operate wells?
Mason John C is the operator of record for wells in Ohio (72).
Does Mason John C operate mostly oil or gas wells?
72 of Mason John C's catalogued wells are oil wells and 0 are gas wells; the rest are injection, service or unclassified wells.
What is Mason John C's deepest well?
Among wells with a published depth, Junior D Yoder Unit 1 in Wayne, OH is the deepest at 4,270 ft.
Where Mason John C'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, “Mason John C — well portfolio”, https://wellcensus.com/operators/mason-john-c-71208 (data as of October 10, 2026).
Dataset updated . Operator portfolios are resolved from raw state registry filings (exact-normalized names; subsidiaries stay separate).