Sierra Blanca Operating
Operator of record for 91 catalogued wells across 1 state. Every well below links to its full registry page.
At a glance
Sierra Blanca Operating is the operator of record for 91 catalogued U.S. oil & gas wells in 1 state. None is listed as active, 91 (100%) are plugged & abandoned. Its largest concentration is in New Mexico, with 91 wells (100% of its portfolio).
Wells operated
91
Active
0
Plugged
91
Orphaned
0
Portfolio by state
| State | Wells |
|---|---|
| New Mexico | 91 |
Well mix
- Oil wells
- 45
- Gas wells
- 1
- Shut-in
- 0
- Active share
- 0%
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Claim your operator profileWhere does Sierra Blanca Operating operate?
Sierra Blanca Operating's catalogued wells are spread across 1 state: New Mexico (91). Its 91 New Mexico wells are 0.1% of the 141,088 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 Sierra Blanca Operating’s wells are active, plugged or orphaned?
0% of Sierra Blanca Operating'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 Sierra Blanca Operating operate?
By product class, 45 (49%) are oil wells and 1 (1%) gas wells; nationally the shares are 43% and 17%. The deepest of its wells with a published depth is Tenneco Federal #001 in Lea, NM at 11,854 ft.
Notable wells operated by Sierra Blanca Operating
| Well | API # / state ID | Status | Type | Location | Operator | Depth |
|---|---|---|---|---|---|---|
| Tenneco Federal #001 | 30-025-23973 | Plugged & abandoned | Gas | Lea, NM | Sierra Blanca Operating Company | 11,854 ft |
| Northeast Caprock Queen Unit #025 | 30-025-00167 | Plugged & abandoned | Injection | Lea, NM | Sierra Blanca Operating Company | 9,029 ft |
| Northeast Caprock Queen Unit #032 | 30-025-00165 | Plugged & abandoned | Oil | Lea, NM | Sierra Blanca Operating Company | 8,964 ft |
| Northeast Caprock Queen Unit #033 | 30-025-00169 | Plugged & abandoned | Injection | Lea, NM | Sierra Blanca Operating Company | 8,650 ft |
| North Caprock Queen Unit #016 | 30-025-00179 | Plugged & abandoned | Injection | Lea, NM | Sierra Blanca Operating Company | 4,385 ft |
| Young Unit #019 | 30-025-08094 | Plugged & abandoned | Injection | Lea, NM | Sierra Blanca Operating Company | 4,135 ft |
| Young Unit #025 | 30-025-08091 | Plugged & abandoned | Injection | Lea, NM | Sierra Blanca Operating Company | 4,100 ft |
| Young Unit #018 | 30-025-00860 | Plugged & abandoned | Injection | Lea, NM | Sierra Blanca Operating Company | 4,100 ft |
| Young Unit #007 | 30-025-08072 | Plugged & abandoned | Injection | Lea, NM | Sierra Blanca Operating Company | 4,100 ft |
| Young Unit #014 | 30-025-00862 | Plugged & abandoned | Injection | Lea, NM | Sierra Blanca Operating Company | 4,071 ft |
| Young Unit #021 | 30-025-08101 | Plugged & abandoned | Oil | Lea, NM | Sierra Blanca Operating Company | 4,068 ft |
| Young Unit #030 | 30-025-00875 | Plugged & abandoned | Injection | Lea, NM | Sierra Blanca Operating Company | 4,050 ft |
Deepest first where depth is published. See all 91 wells →
Frequently asked questions
How many wells does Sierra Blanca Operating operate?
Sierra Blanca Operating is the operator of record for 91 catalogued oil & gas wells, with the largest concentration in New Mexico (91). Only wells in states WellCensus has ingested are counted.
How many of Sierra Blanca Operating's wells are still active?
0 of Sierra Blanca Operating's catalogued wells are active; 91 are plugged & abandoned.
In which states does Sierra Blanca Operating operate wells?
Sierra Blanca Operating is the operator of record for wells in New Mexico (91).
Does Sierra Blanca Operating operate mostly oil or gas wells?
45 of Sierra Blanca Operating's catalogued wells are oil wells and 1 are gas wells; the rest are injection, service or unclassified wells.
What is Sierra Blanca Operating's deepest well?
Among wells with a published depth, Tenneco Federal #001 in Lea, NM is the deepest at 11,854 ft.
Where Sierra Blanca 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, “Sierra Blanca Operating — well portfolio”, https://wellcensus.com/operators/sierra-blanca-operating-2777 (data as of October 10, 2026).
Dataset updated . Operator portfolios are resolved from raw state registry filings (exact-normalized names; subsidiaries stay separate).