Tandem Energy
Operator of record for 67 catalogued wells across 3 states. Every well below links to its full registry page.
Filed as: TANDEM ENERGY CORPORATION · Tandem Energy Corporation
At a glance
Tandem Energy is the operator of record for 67 catalogued U.S. oil & gas wells in 3 states. None is listed as active, 44 (66%) are plugged & abandoned. Its largest concentration is in New Mexico, with 49 wells (73% of its portfolio).
Wells operated
67
Active
0
Plugged
44
Orphaned
0
Portfolio by state
| State | Wells |
|---|---|
| New Mexico | 49 |
| Kansas | 10 |
| Oklahoma | 8 |
Well mix
- Oil wells
- 44
- Gas wells
- 4
- Shut-in
- 0
- Active share
- 0%
Is this your company?
Claim Tandem Energy to keep this portfolio accurate — verified operators can correct well statuses and add plugging documentation.
Claim your operator profileWhere does Tandem Energy operate?
Tandem Energy's catalogued wells are spread across 3 states: New Mexico (49), Kansas (10) and Oklahoma (8). Its 49 New Mexico wells are 0.0% 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 Tandem Energy’s wells are active, plugged or orphaned?
0% of Tandem Energy's catalogued wells are active, 29 percentage points below the national share of 29%. 66% are plugged & abandoned, against 47% nationally. None of the wells filed under this name is flagged as orphaned.
What kinds of wells does Tandem Energy operate?
By product class, 44 (66%) are oil wells and 4 (6%) gas wells; nationally the shares are 43% and 17%. The deepest of its wells with a published depth is Elliott #001 in Eddy, NM at 99,999 ft. The wells listed below sit in Eddy (NM) and Lea (NM). 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 Tandem Energy
| Well | API # / state ID | Status | Type | Location | Operator | Depth |
|---|---|---|---|---|---|---|
| Elliott #001 | 30-015-21655 | Plugged & abandoned | Oil | Eddy, NM | Tandem Energy Corporation | 99,999 ft |
| Square Lake 12 Unit #108 | 30-015-02968 | Plugged & abandoned | Oil | Eddy, NM | Tandem Energy Corporation | 99,999 ft |
| East Red Lake Unit #002q | 30-015-01289 | Plugged & abandoned | Oil | Eddy, NM | Tandem Energy Corporation | 16,899 ft |
| Pure State #002 | 30-025-20078 | Plugged & abandoned | Oil | Lea, NM | Tandem Energy Corporation | 5,026 ft |
| Texaco Federal #002 | 30-025-20189 | Plugged & abandoned | Oil | Lea, NM | Tandem Energy Corporation | 5,000 ft |
| B D #001 | 30-015-24006 | Plugged & abandoned | Oil | Eddy, NM | Tandem Energy Corporation | 4,530 ft |
| State 175 #001 | 30-025-03445 | Plugged & abandoned | Oil | Lea, NM | Tandem Energy Corporation | 3,915 ft |
| Lusk Seven Rivers Unit #004 | 30-025-21639 | Plugged & abandoned | Injection | Lea, NM | Tandem Energy Corporation | 3,860 ft |
| Exxon State #001 | 30-015-21003 | Plugged & abandoned | Gas | Eddy, NM | Tandem Energy Corporation | 3,700 ft |
| Ballard Grayburg San Andres Unit #265 | 30-015-35929 | Plugged & abandoned | Oil | Eddy, NM | Tandem Energy Corporation | 3,409 ft |
| Amoco State #001 | 30-015-23584 | Plugged & abandoned | Oil | Eddy, NM | Tandem Energy Corporation | 3,400 ft |
| Bondurant Federal #002 | 30-025-30209 | Plugged & abandoned | Oil | Lea, NM | Tandem Energy Corporation | 3,308 ft |
Deepest first where depth is published. See all 67 wells →
Frequently asked questions
How many wells does Tandem Energy operate?
Tandem Energy is the operator of record for 67 catalogued oil & gas wells, with the largest concentration in New Mexico (49). Only wells in states WellCensus has ingested are counted.
How many of Tandem Energy's wells are still active?
0 of Tandem Energy's catalogued wells are active; 44 are plugged & abandoned.
In which states does Tandem Energy operate wells?
Tandem Energy is the operator of record for wells in New Mexico (49), Kansas (10) and Oklahoma (8).
Does Tandem Energy operate mostly oil or gas wells?
44 of Tandem Energy's catalogued wells are oil wells and 4 are gas wells; the rest are injection, service or unclassified wells.
What is Tandem Energy's deepest well?
Among wells with a published depth, Elliott #001 in Eddy, NM is the deepest at 99,999 ft.
Where Tandem Energy'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, “Tandem Energy — well portfolio”, https://wellcensus.com/operators/tandem-energy-1493 (data as of October 10, 2026).
Dataset updated . Operator portfolios are resolved from raw state registry filings (exact-normalized names; subsidiaries stay separate).