Marjo Operating
Operator of record for 164 catalogued wells across 3 states. Every well below links to its full registry page.
Filed as: MARJO OPERATING CO., INC. · MARJO OPERATING COMPANY INC
At a glance
Marjo Operating is the operator of record for 164 catalogued U.S. oil & gas wells in 3 states. None is listed as active, 151 (92%) are plugged & abandoned. Its largest concentration is in Oklahoma, with 162 wells (99% of its portfolio).
Wells operated
164
Active
0
Plugged
151
Orphaned
0
Portfolio by state
| State | Wells |
|---|---|
| Oklahoma | 162 |
| Colorado | 1 |
| New Mexico | 1 |
Well mix
- Oil wells
- 55
- Gas wells
- 26
- Shut-in
- 0
- Active share
- 0%
Is this your company?
Claim Marjo Operating to keep this portfolio accurate — verified operators can correct well statuses and add plugging documentation.
Claim your operator profileWhere does Marjo Operating operate?
Marjo Operating's catalogued wells are spread across 3 states: Oklahoma (162), Colorado (1) and New Mexico (1). Its 162 Oklahoma wells are 0.0% of the 456,595 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 Marjo Operating’s wells are active, plugged or orphaned?
0% of Marjo Operating's catalogued wells are active, 29 percentage points below the national share of 29%. 92% are plugged & abandoned, against 47% nationally. None of the wells filed under this name is flagged as orphaned.
What kinds of wells does Marjo Operating operate?
By product class, 55 (34%) are oil wells and 26 (16%) gas wells; nationally the shares are 43% and 17%. The deepest of its wells with a published depth is State 11 #001 in Lea, NM at 9,000 ft. The wells listed below sit in Lea (NM), Prowers (CO), Garfield (OK), Payne (OK), Lincoln (OK) and Hughes (OK) and other counties. State filings spell the name 2 ways; WellCensus merges exact-normalized spellings only, so subsidiaries and affiliates keep their own pages.
Notable wells operated by Marjo Operating
| Well | API # / state ID | Status | Type | Location | Operator | Depth |
|---|---|---|---|---|---|---|
| State 11 #001 | 30-025-25161 | Plugged & abandoned | Injection | Lea, NM | Marjo Operating Co., Inc. | 9,000 ft |
| 1 Bristol | 05-099-06895 | Plugged & abandoned | Other type | Prowers, CO | Marjo Operating Company Inc | 5,410 ft |
| Allen #1 | 35-047-24061 | Plugged & abandoned | Other type | Garfield, OK | Marjo Operating Company Inc | — |
| Earl #2-25 | 35-119-23755 | Plugged & abandoned | Other type | Payne, OK | Marjo Operating Company Inc | — |
| Neal Mccoy #1 | 35-047-20119 | Plugged & abandoned | Oil | Garfield, OK | Marjo Operating Company Inc | — |
| Alta #1 | 35-119-23730 | Plugged & abandoned | Gas | Payne, OK | Marjo Operating Company Inc | — |
| Nancy #1-22 | 35-081-22175 | Plugged & abandoned | Other type | Lincoln, OK | Marjo Operating Company Inc | — |
| Wewoka (Barnard 4) #1-23 | 35-063-04829 | Plugged & abandoned | Other type | Hughes, OK | Marjo Operating Company Inc | — |
| Olivet Swdw #1 | 35-081-23702 | Other status | Other type | Lincoln, OK | Marjo Operating Company Inc | — |
| Fry #1 | 35-083-20543 | Plugged & abandoned | Oil | Logan, OK | Marjo Operating Company Inc | — |
| Carney Townsite Ss Unit #8 | 35-081-21580 | Plugged & abandoned | Other type | Lincoln, OK | Marjo Operating Company Inc | — |
| Bracken #1 | 35-081-20269 | Plugged & abandoned | Oil | Lincoln, OK | Marjo Operating Company Inc | — |
Deepest first where depth is published. See all 164 wells →
Frequently asked questions
How many wells does Marjo Operating operate?
Marjo Operating is the operator of record for 164 catalogued oil & gas wells, with the largest concentration in Oklahoma (162). Only wells in states WellCensus has ingested are counted.
How many of Marjo Operating's wells are still active?
0 of Marjo Operating's catalogued wells are active; 151 are plugged & abandoned.
In which states does Marjo Operating operate wells?
Marjo Operating is the operator of record for wells in Oklahoma (162), Colorado (1) and New Mexico (1).
Does Marjo Operating operate mostly oil or gas wells?
55 of Marjo Operating's catalogued wells are oil wells and 26 are gas wells; the rest are injection, service or unclassified wells.
What is Marjo Operating's deepest well?
Among wells with a published depth, State 11 #001 in Lea, NM is the deepest at 9,000 ft.
Where Marjo 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, “Marjo Operating — well portfolio”, https://wellcensus.com/operators/marjo-operating-1982 (data as of October 10, 2026).
Dataset updated . Operator portfolios are resolved from raw state registry filings (exact-normalized names; subsidiaries stay separate).