Skip to content
WellCensus

Armstrong Energy

Operator of record for 139 catalogued wells across 1 state. Every well below links to its full registry page.

At a glance

Armstrong Energy is the operator of record for 139 catalogued U.S. oil & gas wells in 1 state. 57 (41%) are active, 74 (53%) plugged & abandoned. Its largest concentration is in New Mexico, with 139 wells (100% of its portfolio).

Wells operated

139

Active

57

Plugged

74

Orphaned

0

Portfolio by state

StateWells
New Mexico139

Well mix

Oil wells
110
Gas wells
25
Shut-in
0
Active share
41%

Is this your company?

Claim Armstrong Energy to keep this portfolio accurate — verified operators can correct well statuses and add plugging documentation.

Claim your operator profile

Where does Armstrong Energy operate?

Armstrong Energy's catalogued wells are spread across 1 state: New Mexico (139). Its 139 New Mexico wells are 0.1% of the 141,088 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 Armstrong Energy’s wells are active, plugged or orphaned?

41% of Armstrong Energy's catalogued wells are active, 12 percentage points above the national share of 29%. 53% are plugged & abandoned, against 47% nationally. None of the wells filed under this name is flagged as orphaned.

What kinds of wells does Armstrong Energy operate?

By product class, 110 (79%) are oil wells and 25 (18%) gas wells; nationally the shares are 43% and 17%. The deepest of its wells with a published depth is Mark Federal #001 in Chaves, NM at 99,999 ft. The wells listed below sit in Chaves (NM), Lea (NM) and Eddy (NM).

Notable wells operated by Armstrong Energy

Wells operated by Armstrong Energy
WellAPI # / state IDStatusTypeLocationOperatorDepth
Mark Federal #00130-005-60618Plugged & abandonedOilChaves, NMArmstrong Energy Corp99,999 ft
Round Tank Queen Unit #00230-005-60482Plugged & abandonedOilChaves, NMArmstrong Energy Corp99,999 ft
Round Tank Queen Unit #00530-005-00392Plugged & abandonedOilChaves, NMArmstrong Energy Corp99,999 ft
West Pearl State #00130-025-28583Plugged & abandonedOilLea, NMArmstrong Energy Corp14,840 ft
Gilmore 24 #00130-025-34141ActiveOilLea, NMArmstrong Energy Corp14,500 ft
K F Quail Federal #00130-025-02408Plugged & abandonedOilLea, NMArmstrong Energy Corp13,745 ft
Byers #00230-025-38107Plugged & abandonedGasLea, NMArmstrong Energy Corp13,600 ft
Byers #00130-025-36460Plugged & abandonedGasLea, NMArmstrong Energy Corp13,450 ft
Henshaw A Federal #00130-015-32891ActiveOilEddy, NMArmstrong Energy Corp12,830 ft
Henshaw 23 Federal #00130-015-34448Plugged & abandonedGasEddy, NMArmstrong Energy Corp12,800 ft
Salbar 16 State #00130-025-34263ActiveOilLea, NMArmstrong Energy Corp12,730 ft
Chaparral 14 Federal Com #00130-015-34038ActiveGasEddy, NMArmstrong Energy Corp12,709 ft

Deepest first where depth is published. See all 139 wells →

Frequently asked questions

How many wells does Armstrong Energy operate?

Armstrong Energy is the operator of record for 139 catalogued oil & gas wells, with the largest concentration in New Mexico (139). Only wells in states WellCensus has ingested are counted.

How many of Armstrong Energy's wells are still active?

57 of Armstrong Energy's catalogued wells are active; 74 are plugged & abandoned.

In which states does Armstrong Energy operate wells?

Armstrong Energy is the operator of record for wells in New Mexico (139).

Does Armstrong Energy operate mostly oil or gas wells?

110 of Armstrong Energy's catalogued wells are oil wells and 25 are gas wells; the rest are injection, service or unclassified wells.

What is Armstrong Energy's deepest well?

Among wells with a published depth, Mark Federal #001 in Chaves, NM is the deepest at 99,999 ft.

Where Armstrong Energy'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, “Armstrong Energy — well portfolio”, https://wellcensus.com/operators/armstrong-energy-2721 (data as of October 10, 2026).

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