Mcor Oil Development
Operator of record for 7 catalogued wells across 1 state. Every well below links to its full registry page.
At a glance
Mcor Oil Development is the operator of record for 7 catalogued U.S. oil & gas wells in 1 state. None is listed as active, 5 (71%) are plugged & abandoned. Its largest concentration is in Louisiana, with 7 wells (100% of its portfolio).
Wells operated
7
Active
0
Plugged
5
Orphaned
0
Portfolio by state
| State | Wells |
|---|---|
| Louisiana | 7 |
Well mix
- Oil wells
- 2
- Gas wells
- 3
- Shut-in
- 0
- Active share
- 0%
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Claim Mcor Oil Development to keep this portfolio accurate — verified operators can correct well statuses and add plugging documentation.
Claim your operator profileWhere does Mcor Oil Development operate?
Mcor Oil Development's catalogued wells are spread across 1 state: Louisiana (7). Its 7 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 Mcor Oil Development’s wells are active, plugged or orphaned?
0% of Mcor Oil Development's catalogued wells are active, 29 percentage points below the national share of 29%. 71% are plugged & abandoned, against 47% nationally. None of the wells filed under this name is flagged as orphaned.
What kinds of wells does Mcor Oil Development operate?
By product class, 2 (29%) are oil wells and 3 (43%) gas wells; nationally the shares are 43% and 17%. The deepest of its wells with a published depth is Dr M O Miller 001 in Cameron, LA at 12,650 ft. The wells listed below sit in Cameron (LA), St Mary (LA) and St Martin (LA).
Notable wells operated by Mcor Oil Development
| Well | API # / state ID | Status | Type | Location | Operator | Depth |
|---|---|---|---|---|---|---|
| Dr M O Miller 001 | 17-023-20886 | Plugged & abandoned | Gas | Cameron, LA | Mcor Oil Development, Inc. | 12,650 ft |
| 9900 Ra Sua;miller 013-Alt | 17-023-02127 | Plugged & abandoned | Gas | Cameron, LA | Mcor Oil Development, Inc. | 12,612 ft |
| Rob 2 Rb Sub;sl 2963 001 | 17-101-21251 | Plugged & abandoned | Gas | St Mary, LA | Mcor Oil Development, Inc. | 11,885 ft |
| Ch Su Hh; E. L. St. Germain 002 | 17-099-20322 | Plugged & abandoned | Oil | St Martin, LA | Mcor Oil Development, Inc. | 11,675 ft |
| Ch Su Ff; E L St. Germain 001 | 17-099-20300 | Plugged & abandoned | Oil | St Martin, LA | Mcor Oil Development, Inc. | 11,635 ft |
| E M Doland 001 | 17-023-21711 | Other status | Other type | Cameron, LA | Mcor Oil Development, Inc. | 0 ft |
| M O Miller M D 001 | 17-023-21765 | Other status | Other type | Cameron, LA | Mcor Oil Development, Inc. | 0 ft |
Deepest first where depth is published. See all 7 wells →
Frequently asked questions
How many wells does Mcor Oil Development operate?
Mcor Oil Development is the operator of record for 7 catalogued oil & gas wells, with the largest concentration in Louisiana (7). Only wells in states WellCensus has ingested are counted.
How many of Mcor Oil Development's wells are still active?
0 of Mcor Oil Development's catalogued wells are active; 5 are plugged & abandoned.
In which states does Mcor Oil Development operate wells?
Mcor Oil Development is the operator of record for wells in Louisiana (7).
Does Mcor Oil Development operate mostly oil or gas wells?
2 of Mcor Oil Development's catalogued wells are oil wells and 3 are gas wells; the rest are injection, service or unclassified wells.
What is Mcor Oil Development's deepest well?
Among wells with a published depth, Dr M O Miller 001 in Cameron, LA is the deepest at 12,650 ft.
Where Mcor Oil Development'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, “Mcor Oil Development — well portfolio”, https://wellcensus.com/operators/mcor-oil-development-80141 (data as of October 10, 2026).
Dataset updated . Operator portfolios are resolved from raw state registry filings (exact-normalized names; subsidiaries stay separate).