Mar Reg Oil
Operator of record for 13 catalogued wells across 1 state. Every well below links to its full registry page.
At a glance
Mar Reg Oil is the operator of record for 13 catalogued U.S. oil & gas wells in 1 state. 2 (15%) are active, 0 (0%) plugged & abandoned. Its largest concentration is in Utah, with 13 wells (100% of its portfolio).
Wells operated
13
Active
2
Plugged
0
Orphaned
0
Portfolio by state
| State | Wells |
|---|---|
| Utah | 13 |
Well mix
- Oil wells
- 11
- Gas wells
- 0
- Shut-in
- 11
- Active share
- 15%
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Claim Mar Reg Oil to keep this portfolio accurate — verified operators can correct well statuses and add plugging documentation.
Claim your operator profileWhere does Mar Reg Oil operate?
Mar Reg Oil's catalogued wells are spread across 1 state: Utah (13). Its 13 Utah wells are 0.0% of the 40,139 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 Mar Reg Oil’s wells are active, plugged or orphaned?
15% of Mar Reg Oil's catalogued wells are active, 13 percentage points below the national share of 29%. 0% are plugged & abandoned, against 47% nationally. 11 wells (85%) are shut-in — unplugged but idle. None of the wells filed under this name is flagged as orphaned.
What kinds of wells does Mar Reg Oil operate?
By product class, 11 (85%) are oil wells and 0 (0%) gas wells; nationally the shares are 43% and 17%.
Notable wells operated by Mar Reg Oil
| Well | API # / state ID | Status | Type | Location | Operator | Depth |
|---|---|---|---|---|---|---|
| Tin Cup Mesa 3-25 | 43-037-31020 | Shut-in | Oil | San Juan, UT | Mar/Reg Oil Company | — |
| Tin Cup Mesa 1-25 | 43-037-30690 | Shut-in | Injection | San Juan, UT | Mar/Reg Oil Company | — |
| Wdw 1 | 43-037-31761 | Active | Injection | San Juan, UT | Mar/Reg Oil Company | — |
| Federal 4-26 | 43-037-30941 | Shut-in | Oil | San Juan, UT | Mar/Reg Oil Company | — |
| Tin Cup Mesa 2-23 | 43-037-30808 | Shut-in | Oil | San Juan, UT | Mar/Reg Oil Company | — |
| Tin Cup Mesa 4-25 | 43-037-31145 | Shut-in | Oil | San Juan, UT | Mar/Reg Oil Company | — |
| Squaw Cyn 3-19 Fed | 43-037-30622 | Active | Oil | San Juan, UT | Mar/Reg Oil Company | — |
| Tin Cup Mesa 3-23 | 43-037-30815 | Shut-in | Oil | San Juan, UT | Mar/Reg Oil Company | — |
| Tin Cup Mesa 2-25 | 43-037-30983 | Shut-in | Oil | San Juan, UT | Mar/Reg Oil Company | — |
| Tin Cup Mesa 6-26 | 43-037-31540 | Shut-in | Oil | San Juan, UT | Mar/Reg Oil Company | — |
| Tin Cup Mesa 5-26 | 43-037-31368 | Shut-in | Oil | San Juan, UT | Mar/Reg Oil Company | — |
| Squaw Canyon Fed 1-19 | 43-037-30485 | Shut-in | Oil | San Juan, UT | Mar/Reg Oil Company | — |
Deepest first where depth is published. See all 13 wells →
Frequently asked questions
How many wells does Mar Reg Oil operate?
Mar Reg Oil is the operator of record for 13 catalogued oil & gas wells, with the largest concentration in Utah (13). Only wells in states WellCensus has ingested are counted.
How many of Mar Reg Oil's wells are still active?
2 of Mar Reg Oil's catalogued wells are active; 0 are plugged & abandoned.
In which states does Mar Reg Oil operate wells?
Mar Reg Oil is the operator of record for wells in Utah (13).
Does Mar Reg Oil operate mostly oil or gas wells?
11 of Mar Reg Oil's catalogued wells are oil wells and 0 are gas wells; the rest are injection, service or unclassified wells.
Where Mar Reg Oil'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, “Mar Reg Oil — well portfolio”, https://wellcensus.com/operators/mar-reg-oil-133230 (data as of October 10, 2026).
Dataset updated . Operator portfolios are resolved from raw state registry filings (exact-normalized names; subsidiaries stay separate).