Mars Drilling
Operator of record for 6 catalogued wells across 1 state. Every well below links to its full registry page.
At a glance
Mars Drilling is the operator of record for 6 catalogued U.S. oil & gas wells in 1 state. None is listed as active, 6 (100%) are plugged & abandoned. Its largest concentration is in Wyoming, with 6 wells (100% of its portfolio).
Wells operated
6
Active
0
Plugged
6
Orphaned
0
Portfolio by state
| State | Wells |
|---|---|
| Wyoming | 6 |
Well mix
- Oil wells
- 6
- Gas wells
- 0
- Shut-in
- 0
- Active share
- 0%
Is this your company?
Claim Mars Drilling to keep this portfolio accurate — verified operators can correct well statuses and add plugging documentation.
Claim your operator profileWhere does Mars Drilling operate?
Mars Drilling's catalogued wells are spread across 1 state: Wyoming (6). Its 6 Wyoming wells are 0.0% of the 129,957 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 Mars Drilling’s wells are active, plugged or orphaned?
0% of Mars Drilling's catalogued wells are active, 29 percentage points below the national share of 29%. 100% are plugged & abandoned, against 47% nationally. None of the wells filed under this name is flagged as orphaned.
What kinds of wells does Mars Drilling operate?
By product class, 6 (100%) are oil wells and 0 (0%) gas wells; nationally the shares are 43% and 17%. The deepest of its wells with a published depth is Horton 1 in Weston, WY at 2,804 ft. The wells listed below sit in Weston (WY) and Park (WY).
Notable wells operated by Mars Drilling
| Well | API # / state ID | Status | Type | Location | Operator | Depth |
|---|---|---|---|---|---|---|
| Horton 1 | 49-045-06838 | Plugged & abandoned | Oil | Weston, WY | Mars Drilling | 2,804 ft |
| Engel 3 | 49-045-06979 | Plugged & abandoned | Oil | Weston, WY | Mars Drilling | 2,009 ft |
| Engel 1 | 49-045-06988 | Plugged & abandoned | Oil | Weston, WY | Mars Drilling | 1,551 ft |
| State 1 | 49-045-07166 | Plugged & abandoned | Oil | Weston, WY | Mars Drilling | 1,499 ft |
| State 1 | 49-045-07033 | Plugged & abandoned | Oil | Weston, WY | Mars Drilling | 1,499 ft |
| Cheyenne 1 | 49-029-05477 | Plugged & abandoned | Oil | Park, WY | Mars Drilling | 445 ft |
Deepest first where depth is published. See all 6 wells →
Frequently asked questions
How many wells does Mars Drilling operate?
Mars Drilling is the operator of record for 6 catalogued oil & gas wells, with the largest concentration in Wyoming (6). Only wells in states WellCensus has ingested are counted.
How many of Mars Drilling's wells are still active?
0 of Mars Drilling's catalogued wells are active; 6 are plugged & abandoned.
In which states does Mars Drilling operate wells?
Mars Drilling is the operator of record for wells in Wyoming (6).
Does Mars Drilling operate mostly oil or gas wells?
6 of Mars Drilling's catalogued wells are oil wells and 0 are gas wells; the rest are injection, service or unclassified wells.
What is Mars Drilling's deepest well?
Among wells with a published depth, Horton 1 in Weston, WY is the deepest at 2,804 ft.
Where Mars Drilling'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, “Mars Drilling — well portfolio”, https://wellcensus.com/operators/mars-drilling-34905 (data as of October 10, 2026).
Dataset updated . Operator portfolios are resolved from raw state registry filings (exact-normalized names; subsidiaries stay separate).