Mcmoran Exploration
Operator of record for 119 catalogued wells across 4 states. Every well below links to its full registry page.
Filed as: MCMORAN EXPLORATION CO. · MCMORAN EXPLORATION COMPANY · McMoran Exploration Co.
At a glance
Mcmoran Exploration is the operator of record for 119 catalogued U.S. oil & gas wells in 4 states. None is listed as active, 103 (87%) are plugged & abandoned and 1 flagged as orphaned. Its largest concentration is in Louisiana, with 104 wells (87% of its portfolio).
Wells operated
119
Active
0
Plugged
103
Orphaned
1
Portfolio by state
| State | Wells |
|---|---|
| Louisiana | 104 |
| North Dakota | 9 |
| Alabama | 3 |
| Wyoming | 3 |
Well mix
- Oil wells
- 16
- Gas wells
- 10
- Shut-in
- 0
- Active share
- 0%
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Claim your operator profileWhere does Mcmoran Exploration operate?
Mcmoran Exploration's catalogued wells are spread across 4 states: Louisiana (104), North Dakota (9), Alabama (3) and Wyoming (3). Its 104 Louisiana wells are 0.0% of the 225,728 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 Mcmoran Exploration’s wells are active, plugged or orphaned?
0% of Mcmoran Exploration's catalogued wells are active, 29 percentage points below the national share of 29%. 87% are plugged & abandoned, against 47% nationally. 1 wells filed under this name are flagged as orphaned — unplugged, with no operator able to plug them.
What kinds of wells does Mcmoran Exploration operate?
By product class, 16 (13%) are oil wells and 10 (8%) gas wells; nationally the shares are 43% and 17%. The deepest of its wells with a published depth is F J Montagne Et Al 001 in Vermilion, LA at 20,000 ft. The wells listed below sit in Vermilion (LA), St Mary (LA), Jefferson Davis (LA), Lafourche (LA), Assumption (LA) and Terrebonne (LA) and other counties. 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 Mcmoran Exploration
| Well | API # / state ID | Status | Type | Location | Operator | Depth |
|---|---|---|---|---|---|---|
| F J Montagne Et Al 001 | 17-113-21286 | Other status | Other type | Vermilion, LA | Mcmoran Exploration Company | 20,000 ft |
| St Mary Parish Land Co 001 | 17-101-21335 | Plugged & abandoned | Other type | St Mary, LA | Mcmoran Exploration Company | 19,906 ft |
| Sl 8091 001 | 17-101-21152 | Plugged & abandoned | Other type | St Mary, LA | Mcmoran Exploration Company | 18,717 ft |
| S/L 340 001 | 17-101-20898 | Plugged & abandoned | Other type | St Mary, LA | Mcmoran Exploration Company | 18,230 ft |
| Claudia B Byler Et Al 001 | 17-053-20773 | Plugged & abandoned | Other type | Jefferson Davis, LA | Mcmoran Exploration Company | 17,996 ft |
| Lafourche Realty Co 005 | 17-057-21841 | Plugged & abandoned | Other type | Lafourche, LA | Mcmoran Exploration Company | 17,943 ft |
| St Mary Parish School Board 001 | 17-101-21240 | Plugged & abandoned | Other type | St Mary, LA | Mcmoran Exploration Company | 17,829 ft |
| Sl 8295 001 | 17-007-20298 | Plugged & abandoned | Other type | Assumption, LA | Mcmoran Exploration Company | 17,221 ft |
| Sidney J Duplantis Sr Et Al 001 | 17-109-22192 | Plugged & abandoned | Other type | Terrebonne, LA | Mcmoran Exploration Company | 17,000 ft |
| Plater A Sua; E.W. Brown 001-X | 17-109-20815 | Plugged & abandoned | Gas | Terrebonne, LA | Mcmoran Exploration Company | 16,800 ft |
| Miami Corp E 001 | 17-101-21139 | Plugged & abandoned | Other type | St Mary, LA | Mcmoran Exploration Company | 16,800 ft |
| Nina J Avery Et Al 001 | 17-045-20527 | Plugged & abandoned | Other type | Iberia, LA | Mcmoran Exploration Company | 16,758 ft |
Deepest first where depth is published. See all 119 wells →
Frequently asked questions
How many wells does Mcmoran Exploration operate?
Mcmoran Exploration is the operator of record for 119 catalogued oil & gas wells, with the largest concentration in Louisiana (104). Only wells in states WellCensus has ingested are counted.
How many of Mcmoran Exploration's wells are still active?
0 of Mcmoran Exploration's catalogued wells are active; 103 are plugged & abandoned and 1 are flagged as orphaned.
In which states does Mcmoran Exploration operate wells?
Mcmoran Exploration is the operator of record for wells in Louisiana (104), North Dakota (9), Alabama (3) and Wyoming (3).
Does Mcmoran Exploration operate mostly oil or gas wells?
16 of Mcmoran Exploration's catalogued wells are oil wells and 10 are gas wells; the rest are injection, service or unclassified wells.
What is Mcmoran Exploration's deepest well?
Among wells with a published depth, F J Montagne Et Al 001 in Vermilion, LA is the deepest at 20,000 ft.
Where Mcmoran Exploration'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, “Mcmoran Exploration — well portfolio”, https://wellcensus.com/operators/mcmoran-exploration-34817 (data as of October 10, 2026).
Dataset updated . Operator portfolios are resolved from raw state registry filings (exact-normalized names; subsidiaries stay separate).