Mcdonnold Operating
Operator of record for 43 catalogued wells across 1 state. Every well below links to its full registry page.
At a glance
Mcdonnold Operating is the operator of record for 43 catalogued U.S. oil & gas wells in 1 state. 27 (63%) are active, 14 (33%) plugged & abandoned and 28 flagged as orphaned. Its largest concentration is in New Mexico, with 43 wells (100% of its portfolio).
Wells operated
43
Active
27
Plugged
14
Orphaned
28
Portfolio by state
| State | Wells |
|---|---|
| New Mexico | 43 |
Well mix
- Oil wells
- 23
- Gas wells
- 8
- Shut-in
- 0
- Active share
- 63%
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Claim your operator profileWhere does Mcdonnold Operating operate?
Mcdonnold Operating's catalogued wells are spread across 1 state: New Mexico (43). Its 43 New Mexico wells are 0.0% 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 Mcdonnold Operating’s wells are active, plugged or orphaned?
63% of Mcdonnold Operating's catalogued wells are active, 34 percentage points above the national share of 29%. 33% are plugged & abandoned, against 47% nationally. 28 wells filed under this name are flagged as orphaned — unplugged, with no operator able to plug them.
What kinds of wells does Mcdonnold Operating operate?
By product class, 23 (53%) are oil wells and 8 (19%) gas wells; nationally the shares are 43% and 17%. The deepest of its wells with a published depth is Jack B 26 #002 in Lea, NM at 99,999 ft. The wells listed below sit in Lea (NM) and Roosevelt (NM).
Notable wells operated by Mcdonnold Operating
| Well | API # / state ID | Status | Type | Location | Operator | Depth |
|---|---|---|---|---|---|---|
| Jack B 26 #002 | 30-025-11233 | Plugged & abandoned | Oil | Lea, NM | Mcdonnold Operating Inc | 99,999 ft |
| Jack B 26 #001 | 30-025-11241 | Plugged & abandoned | Oil | Lea, NM | Mcdonnold Operating Inc | 99,999 ft |
| Jack B 26 #003 | 30-025-11242 | Plugged & abandoned | Oil | Lea, NM | Mcdonnold Operating Inc | 99,999 ft |
| Roberne 16 State Com #001 | 30-025-36291 | Plugged & abandoned | Gas | Lea, NM | Mcdonnold Operating Inc | 11,934 ft |
| Citgo State #002 | 30-041-20467 | Plugged & abandoned | Oil | Roosevelt, NM | Mcdonnold Operating Inc | 4,845 ft |
| State Co #001 | 30-041-20325 | Plugged & abandoned | Oil | Roosevelt, NM | Mcdonnold Operating Inc | 4,844 ft |
| Citgo State #001 | 30-041-20349 | Plugged & abandoned | Oil | Roosevelt, NM | Mcdonnold Operating Inc | 4,825 ft |
| Langlie Jack Unit #019 | 30-025-32641 | Orphaned | Oil | Lea, NM | Mcdonnold Operating Inc | 3,740 ft |
| Cline Federal #003 | 30-025-10739 | Plugged & abandoned | Oil | Lea, NM | Mcdonnold Operating Inc | 3,710 ft |
| Langlie Jack Unit #016 | 30-025-11184 | Plugged & abandoned | Injection | Lea, NM | Mcdonnold Operating Inc | 3,705 ft |
| Jack A 29 #009 | 30-025-32643 | Orphaned | Gas | Lea, NM | Mcdonnold Operating Inc | 3,700 ft |
| Jack A 29 #002 | 30-025-11277 | Orphaned | Injection | Lea, NM | Mcdonnold Operating Inc | 3,700 ft |
Deepest first where depth is published. See all 43 wells →
Frequently asked questions
How many wells does Mcdonnold Operating operate?
Mcdonnold Operating is the operator of record for 43 catalogued oil & gas wells, with the largest concentration in New Mexico (43). Only wells in states WellCensus has ingested are counted.
How many of Mcdonnold Operating's wells are still active?
27 of Mcdonnold Operating's catalogued wells are active; 14 are plugged & abandoned and 28 are flagged as orphaned.
In which states does Mcdonnold Operating operate wells?
Mcdonnold Operating is the operator of record for wells in New Mexico (43).
Does Mcdonnold Operating operate mostly oil or gas wells?
23 of Mcdonnold Operating's catalogued wells are oil wells and 8 are gas wells; the rest are injection, service or unclassified wells.
What is Mcdonnold Operating's deepest well?
Among wells with a published depth, Jack B 26 #002 in Lea, NM is the deepest at 99,999 ft.
Where Mcdonnold 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, “Mcdonnold Operating — well portfolio”, https://wellcensus.com/operators/mcdonnold-operating-7125 (data as of October 10, 2026).
Dataset updated . Operator portfolios are resolved from raw state registry filings (exact-normalized names; subsidiaries stay separate).