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WellCensus

Quaker State Oil Ref

Operator of record for 660 catalogued wells across 1 state. Every well below links to its full registry page.

At a glance

Quaker State Oil Ref is the operator of record for 660 catalogued U.S. oil & gas wells in 1 state. 3 (0.5%) are active, 579 (88%) plugged & abandoned and 1 flagged as orphaned. Its largest concentration is in Ohio, with 660 wells (100% of its portfolio).

Wells operated

660

Active

3

Plugged

579

Orphaned

1

Portfolio by state

StateWells
Ohio660

Well mix

Oil wells
617
Gas wells
0
Shut-in
0
Active share
0%

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Where does Quaker State Oil Ref operate?

Quaker State Oil Ref's catalogued wells are spread across 1 state: Ohio (660). Its 660 Ohio wells are 0.3% 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 Quaker State Oil Ref’s wells are active, plugged or orphaned?

0.5% of Quaker State Oil Ref's catalogued wells are active, 28 percentage points below the national share of 29%. 88% 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 Quaker State Oil Ref operate?

By product class, 617 (93%) 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 Millfield Coal & Mining Co Unic 2 in Athens, OH at 6,525 ft. The wells listed below sit in Athens (OH), Columbiana (OH) and Carroll (OH).

Notable wells operated by Quaker State Oil Ref

Wells operated by Quaker State Oil Ref
WellAPI # / state IDStatusTypeLocationOperatorDepth
Millfield Coal & Mining Co Unic 234-009-23062Plugged & abandonedOilAthens, OHQuaker State Oil Ref Corp6,525 ft
Gruber E & A 134-029-20593Plugged & abandonedOilColumbiana, OHQuaker State Oil Ref Corp6,076 ft
Seith H 134-019-20898Plugged & abandonedOilCarroll, OHQuaker State Oil Ref Corp5,846 ft
Leeper W 1-034-019-20781Plugged & abandonedOilCarroll, OHQuaker State Oil Ref Corp5,842 ft
Conotton Valley Quarries 434-019-21053ActiveOilCarroll, OHQuaker State Oil Ref Corp5,840 ft
Tope Unit 334-019-20988Plugged & abandonedOilCarroll, OHQuaker State Oil Ref Corp5,831 ft
Joliat Unit 134-019-20958Plugged & abandonedOilCarroll, OHQuaker State Oil Ref Corp5,820 ft
Smiler R J 334-019-20922Plugged & abandonedOilCarroll, OHQuaker State Oil Ref Corp5,813 ft
Huffman Unit 134-019-20900Plugged & abandonedOilCarroll, OHQuaker State Oil Ref Corp5,800 ft
Tope Unit 134-019-20978Plugged & abandonedOilCarroll, OHQuaker State Oil Ref Corp5,797 ft
Tinlin Charles L 234-019-20973Plugged & abandonedOilCarroll, OHQuaker State Oil Ref Corp5,792 ft
Neidert Peter & Helen 434-019-20754Plugged & abandonedOilCarroll, OHQuaker State Oil Ref Corp5,766 ft

Deepest first where depth is published. See all 660 wells →

Frequently asked questions

How many wells does Quaker State Oil Ref operate?

Quaker State Oil Ref is the operator of record for 660 catalogued oil & gas wells, with the largest concentration in Ohio (660). Only wells in states WellCensus has ingested are counted.

How many of Quaker State Oil Ref's wells are still active?

3 of Quaker State Oil Ref's catalogued wells are active; 579 are plugged & abandoned and 1 are flagged as orphaned.

In which states does Quaker State Oil Ref operate wells?

Quaker State Oil Ref is the operator of record for wells in Ohio (660).

Does Quaker State Oil Ref operate mostly oil or gas wells?

617 of Quaker State Oil Ref's catalogued wells are oil wells and 0 are gas wells; the rest are injection, service or unclassified wells.

What is Quaker State Oil Ref's deepest well?

Among wells with a published depth, Millfield Coal & Mining Co Unic 2 in Athens, OH is the deepest at 6,525 ft.

Where Quaker State Oil Ref'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, “Quaker State Oil Ref — well portfolio”, https://wellcensus.com/operators/quaker-state-oil-ref-76012 (data as of October 10, 2026).

Dataset updated . Operator portfolios are resolved from raw state registry filings (exact-normalized names; subsidiaries stay separate).