Tarr & Tarr
Operator of record for 11 catalogued wells across 1 state. Every well below links to its full registry page.
At a glance
Tarr & Tarr is the operator of record for 11 catalogued U.S. oil & gas wells in 1 state. 11 (100%) are active, 0 (0%) plugged & abandoned. Its largest concentration is in Pennsylvania, with 11 wells (100% of its portfolio).
Wells operated
11
Active
11
Plugged
0
Orphaned
0
Portfolio by state
| State | Wells |
|---|---|
| Pennsylvania | 11 |
Well mix
- Oil wells
- 11
- Gas wells
- 0
- Shut-in
- 0
- Active share
- 100%
Is this your company?
Claim Tarr & Tarr to keep this portfolio accurate — verified operators can correct well statuses and add plugging documentation.
Claim your operator profileWhere does Tarr & Tarr operate?
Tarr & Tarr's catalogued wells are spread across 1 state: Pennsylvania (11). Its 11 Pennsylvania wells are 0.0% of the 224,189 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 Tarr & Tarr’s wells are active, plugged or orphaned?
100% of Tarr & Tarr's catalogued wells are active, 71 percentage points above the national share of 29%. 0% are plugged & abandoned, against 47% nationally. None of the wells filed under this name is flagged as orphaned.
What kinds of wells does Tarr & Tarr operate?
By product class, 11 (100%) are oil wells and 0 (0%) gas wells; nationally the shares are 43% and 17%.
Notable wells operated by Tarr & Tarr
| Well | API # / state ID | Status | Type | Location | Operator | Depth |
|---|---|---|---|---|---|---|
| Leonard E Tarr 3 7 | 37-121-25219 | Active | Oil | Venango, PA | Tarr & Tarr | — |
| Tarr 1 67 | 37-121-30560 | Active | Oil | Venango, PA | Tarr & Tarr | — |
| Tarr 1 68 | 37-121-30561 | Active | Oil | Venango, PA | Tarr & Tarr | — |
| Leonard E Tarr 1 64 | 37-121-21978 | Active | Oil | Venango, PA | Tarr & Tarr | — |
| Mrs Isla Tarr 1 | 37-121-26757 | Active | Oil | Venango, PA | Tarr & Tarr | — |
| Leonard E Tarr 3 8 | 37-121-25996 | Active | Oil | Venango, PA | Tarr & Tarr | — |
| Leonard E Tarr 3 3 | 37-121-22719 | Active | Oil | Venango, PA | Tarr & Tarr | — |
| Leonard Tarr 1 66 | 37-121-23654 | Active | Oil | Venango, PA | Tarr & Tarr | — |
| Leonard Tarr 1 65 | 37-121-23653 | Active | Oil | Venango, PA | Tarr & Tarr | — |
| T-1 5 | 37-121-23293 | Active | Oil | Venango, PA | Tarr & Tarr | — |
| T-1 6 | 37-121-23294 | Active | Oil | Venango, PA | Tarr & Tarr | — |
Deepest first where depth is published. See all 11 wells →
Frequently asked questions
How many wells does Tarr & Tarr operate?
Tarr & Tarr is the operator of record for 11 catalogued oil & gas wells, with the largest concentration in Pennsylvania (11). Only wells in states WellCensus has ingested are counted.
How many of Tarr & Tarr's wells are still active?
11 of Tarr & Tarr's catalogued wells are active; 0 are plugged & abandoned.
In which states does Tarr & Tarr operate wells?
Tarr & Tarr is the operator of record for wells in Pennsylvania (11).
Does Tarr & Tarr operate mostly oil or gas wells?
11 of Tarr & Tarr's catalogued wells are oil wells and 0 are gas wells; the rest are injection, service or unclassified wells.
Where Tarr & Tarr'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, “Tarr & Tarr — well portfolio”, https://wellcensus.com/operators/tarr-tarr-131557 (data as of October 10, 2026).
Dataset updated . Operator portfolios are resolved from raw state registry filings (exact-normalized names; subsidiaries stay separate).