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WellCensus

Legacy Reserves Operating

Operator of record for 555 catalogued wells across 5 states. Every well below links to its full registry page.

Filed as: LEGACY RESERVES OPERATING LP · LEGACY RESERVES OPERATING, LP · Legacy Reserves Operating LP

At a glance

Legacy Reserves Operating is the operator of record for 555 catalogued U.S. oil & gas wells in 5 states. 74 (13%) are active, 315 (57%) plugged & abandoned and 1 flagged as orphaned. Its largest concentration is in New Mexico, with 284 wells (51% of its portfolio).

Wells operated

555

Active

74

Plugged

315

Orphaned

1

Portfolio by state

StateWells
New Mexico284
Wyoming239
North Dakota20
Oklahoma10
Montana2

Well mix

Oil wells
371
Gas wells
32
Shut-in
80
Active share
13%

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Where does Legacy Reserves Operating operate?

Legacy Reserves Operating's catalogued wells are spread across 5 states: New Mexico (284), Wyoming (239), North Dakota (20), Oklahoma (10) and Montana (2). Its 284 New Mexico wells are 0.2% 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 Legacy Reserves Operating’s wells are active, plugged or orphaned?

13% of Legacy Reserves Operating's catalogued wells are active, 16 percentage points below the national share of 29%. 57% are plugged & abandoned, against 47% nationally. 80 wells (14%) are shut-in — unplugged but idle. 1 wells filed under this name are flagged as orphaned — unplugged, with no operator able to plug them.

What kinds of wells does Legacy Reserves Operating operate?

By product class, 371 (67%) are oil wells and 32 (6%) gas wells; nationally the shares are 43% and 17%. The deepest of its wells with a published depth is Denton Federal #007 in Eddy, NM at 99,999 ft. The wells listed below sit in Eddy (NM), Lea (NM) and Mckenzie (ND). 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 Legacy Reserves Operating

Wells operated by Legacy Reserves Operating
WellAPI # / state IDStatusTypeLocationOperatorDepth
Denton Federal #00730-015-23413Plugged & abandonedOilEddy, NMLegacy Reserves Operating, LP99,999 ft
Cal-Mon #00430-015-25770Plugged & abandonedOilEddy, NMLegacy Reserves Operating, LP99,999 ft
Johnson A Federal #00130-015-05514Plugged & abandonedOilEddy, NMLegacy Reserves Operating, LP99,999 ft
Johnson B Federal Ac 2 #00330-015-20318Plugged & abandonedOilEddy, NMLegacy Reserves Operating, LP99,999 ft
Lea Unit #030h30-025-40698Plugged & abandonedOilLea, NMLegacy Reserves Operating, LP15,702 ft
Gap Federal 3-8h33-053-02790Plugged & abandonedOilMckenzie, NDLegacy Reserves Operating LP14,848 ft
Lea Unit #00830-025-02431Plugged & abandonedInjectionLea, NMLegacy Reserves Operating, LP14,693 ft
Lea Unit #01130-025-20338Plugged & abandonedGasLea, NMLegacy Reserves Operating, LP14,454 ft
Featherhoser State #00130-025-28038Plugged & abandonedOilLea, NMLegacy Reserves Operating, LP14,075 ft
Nellis Federal #00130-025-01663Plugged & abandonedGasLea, NMLegacy Reserves Operating, LP13,723 ft
Nellis Federal #00330-025-26091Plugged & abandonedOilLea, NMLegacy Reserves Operating, LP13,715 ft
Hamon Federal Com #00130-025-30848Plugged & abandonedInjectionLea, NMLegacy Reserves Operating, LP13,700 ft

Deepest first where depth is published. See all 555 wells →

Frequently asked questions

How many wells does Legacy Reserves Operating operate?

Legacy Reserves Operating is the operator of record for 555 catalogued oil & gas wells, with the largest concentration in New Mexico (284). Only wells in states WellCensus has ingested are counted.

How many of Legacy Reserves Operating's wells are still active?

74 of Legacy Reserves Operating's catalogued wells are active; 315 are plugged & abandoned and 1 are flagged as orphaned.

In which states does Legacy Reserves Operating operate wells?

Legacy Reserves Operating is the operator of record for wells in New Mexico (284), Wyoming (239), North Dakota (20), Oklahoma (10) and Montana (2).

Does Legacy Reserves Operating operate mostly oil or gas wells?

371 of Legacy Reserves Operating's catalogued wells are oil wells and 32 are gas wells; the rest are injection, service or unclassified wells.

What is Legacy Reserves Operating's deepest well?

Among wells with a published depth, Denton Federal #007 in Eddy, NM is the deepest at 99,999 ft.

Where Legacy Reserves 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, “Legacy Reserves Operating — well portfolio”, https://wellcensus.com/operators/legacy-reserves-operating-623 (data as of October 10, 2026).

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