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WellCensus

A1 Well Service

Operator of record for 36 catalogued wells across 2 states. Every well below links to its full registry page.

Filed as: A-1 WELL SERVICE · A-1 Well Service

At a glance

A1 Well Service is the operator of record for 36 catalogued U.S. oil & gas wells in 2 states. None is listed as active, 16 (44%) are plugged & abandoned and 20 flagged as orphaned. Its largest concentration is in Oklahoma, with 34 wells (94% of its portfolio).

Wells operated

36

Active

0

Plugged

16

Orphaned

20

Portfolio by state

StateWells
Oklahoma34
Arkansas2

Well mix

Oil wells
23
Gas wells
0
Shut-in
0
Active share
0%

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Where does A1 Well Service operate?

A1 Well Service's catalogued wells are spread across 2 states: Oklahoma (34) and Arkansas (2). Its 34 Oklahoma wells are 0.0% of the 456,595 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 A1 Well Service’s wells are active, plugged or orphaned?

0% of A1 Well Service's catalogued wells are active, 29 percentage points below the national share of 29%. 44% are plugged & abandoned, against 47% nationally. 20 wells filed under this name are flagged as orphaned — unplugged, with no operator able to plug them.

What kinds of wells does A1 Well Service operate?

By product class, 23 (64%) 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 Collums 1 in Union, AR at 2,677 ft. The wells listed below sit in Union (AR), Nowata (OK) and Washington (OK). State filings spell the name 2 ways; WellCensus merges exact-normalized spellings only, so subsidiaries and affiliates keep their own pages.

Notable wells operated by A1 Well Service

Wells operated by A1 Well Service
WellAPI # / state IDStatusTypeLocationOperatorDepth
Collums 103-139-83544OrphanedOilUnion, ARA-1 Well Service2,677 ft
Howard "B" 203-139-83601Plugged & abandonedInjectionUnion, ARA-1 Well Service2,660 ft
Roy George #335-105-22730OrphanedOilNowata, OKA-1 Well Service—
Schellack #635-147-25020OrphanedOilWashington, OKA-1 Well Service—
Schellack #835-147-25022OrphanedOilWashington, OKA-1 Well Service—
Schellack #935-147-25023OrphanedOilWashington, OKA-1 Well Service—
Schellack #w-435-147-25036OrphanedOther typeWashington, OKA-1 Well Service—
Schellack #w-235-147-25034OrphanedOther typeWashington, OKA-1 Well Service—
Schellack #w-535-147-25037OrphanedOther typeWashington, OKA-1 Well Service—
Schellack #w-635-147-25038OrphanedOther typeWashington, OKA-1 Well Service—
Schellack #w-735-147-25039OrphanedOther typeWashington, OKA-1 Well Service—
Roy George #435-105-22748OrphanedOilNowata, OKA-1 Well Service—

Deepest first where depth is published. See all 36 wells →

Frequently asked questions

How many wells does A1 Well Service operate?

A1 Well Service is the operator of record for 36 catalogued oil & gas wells, with the largest concentration in Oklahoma (34). Only wells in states WellCensus has ingested are counted.

How many of A1 Well Service's wells are still active?

0 of A1 Well Service's catalogued wells are active; 16 are plugged & abandoned and 20 are flagged as orphaned.

In which states does A1 Well Service operate wells?

A1 Well Service is the operator of record for wells in Oklahoma (34) and Arkansas (2).

Does A1 Well Service operate mostly oil or gas wells?

23 of A1 Well Service's catalogued wells are oil wells and 0 are gas wells; the rest are injection, service or unclassified wells.

What is A1 Well Service's deepest well?

Among wells with a published depth, Collums 1 in Union, AR is the deepest at 2,677 ft.

Where A1 Well Service'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, “A1 Well Service — well portfolio”, https://wellcensus.com/operators/a1-well-service-8636 (data as of October 10, 2026).

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