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WellCensus

Plains Petroleum Operating

Operator of record for 85 catalogued wells across 5 states. Every well below links to its full registry page.

Filed as: PLAINS PETROLEUM OPERATING CO · Plains Petroleum Operating Co. · Plains Petroleum Operating Company

At a glance

Plains Petroleum Operating is the operator of record for 85 catalogued U.S. oil & gas wells in 5 states. 1 (1%) are active, 70 (82%) plugged & abandoned. Its largest concentration is in Wyoming, with 38 wells (45% of its portfolio).

Wells operated

85

Active

1

Plugged

70

Orphaned

0

Portfolio by state

StateWells
Wyoming38
Colorado23
Kansas18
Oklahoma5
Montana1

Well mix

Oil wells
31
Gas wells
17
Shut-in
0
Active share
1%

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Where does Plains Petroleum Operating operate?

Plains Petroleum Operating's catalogued wells are spread across 5 states: Wyoming (38), Colorado (23), Kansas (18), Oklahoma (5) and Montana (1). Its 38 Wyoming wells are 0.0% of the 129,957 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 Plains Petroleum Operating’s wells are active, plugged or orphaned?

1% of Plains Petroleum Operating's catalogued wells are active, 28 percentage points below the national share of 29%. 82% are plugged & abandoned, against 47% nationally. None of the wells filed under this name is flagged as orphaned.

What kinds of wells does Plains Petroleum Operating operate?

By product class, 31 (36%) are oil wells and 17 (20%) gas wells; nationally the shares are 43% and 17%. The deepest of its wells with a published depth is Powell Federal 12-29 in Converse, WY at 13,590 ft. The wells listed below sit in Converse (WY), Sweetwater (WY) and Campbell (WY). State filings spell the name 3 ways; WellCensus merges exact-normalized spellings only, so subsidiaries and affiliates keep their own pages.

Notable wells operated by Plains Petroleum Operating

Wells operated by Plains Petroleum Operating
WellAPI # / state IDStatusTypeLocationOperatorDepth
Powell Federal 12-2949-009-22942Plugged & abandonedGasConverse, WYPlains Petroleum Operating Co13,590 ft
Muddy Bar 22-1849-009-22938Plugged & abandonedGasConverse, WYPlains Petroleum Operating Co13,525 ft
Almond Joy 1-2149-037-22862Plugged & abandonedGasSweetwater, WYPlains Petroleum Operating Co12,580 ft
Plains Lang 13-1149-005-30421Plugged & abandonedOilCampbell, WYPlains Petroleum Operating Co10,770 ft
Plains Robbins 12-649-005-30157Plugged & abandonedOilCampbell, WYPlains Petroleum Operating Co10,480 ft
Mra Plains 12-1549-005-29950Plugged & abandonedOilCampbell, WYPlains Petroleum Operating Co10,250 ft
Plains Lobo Fee 14-249-005-30411Plugged & abandonedOilCampbell, WYPlains Petroleum Operating Co9,820 ft
Plains Halladay 23-1749-005-30598Plugged & abandonedOilCampbell, WYPlains Petroleum Operating Co9,466 ft
Rozet West 449-005-20216Plugged & abandonedOilCampbell, WYPlains Petroleum Operating Co8,890 ft
Campbell 649-005-25070Plugged & abandonedOilCampbell, WYPlains Petroleum Operating Co8,860 ft
Plains Wolfe 43-1349-005-30614Plugged & abandonedOilCampbell, WYPlains Petroleum Operating Co8,694 ft
Peter Svalina 1649-005-06319Plugged & abandonedOilCampbell, WYPlains Petroleum Operating Co8,650 ft

Deepest first where depth is published. See all 85 wells →

Frequently asked questions

How many wells does Plains Petroleum Operating operate?

Plains Petroleum Operating is the operator of record for 85 catalogued oil & gas wells, with the largest concentration in Wyoming (38). Only wells in states WellCensus has ingested are counted.

How many of Plains Petroleum Operating's wells are still active?

1 of Plains Petroleum Operating's catalogued wells are active; 70 are plugged & abandoned.

In which states does Plains Petroleum Operating operate wells?

Plains Petroleum Operating is the operator of record for wells in Wyoming (38), Colorado (23), Kansas (18), Oklahoma (5) and Montana (1).

Does Plains Petroleum Operating operate mostly oil or gas wells?

31 of Plains Petroleum Operating's catalogued wells are oil wells and 17 are gas wells; the rest are injection, service or unclassified wells.

What is Plains Petroleum Operating's deepest well?

Among wells with a published depth, Powell Federal 12-29 in Converse, WY is the deepest at 13,590 ft.

Where Plains Petroleum Operating'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, “Plains Petroleum Operating — well portfolio”, https://wellcensus.com/operators/plains-petroleum-operating-2263 (data as of October 10, 2026).

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