Challenger Minerals
Operator of record for 27 catalogued wells across 3 states. Every well below links to its full registry page.
Filed as: CHALLENGER MINERALS, INC. · Challenger Minerals Inc. · Challenger Minerals, Inc.
At a glance
Challenger Minerals is the operator of record for 27 catalogued U.S. oil & gas wells in 3 states. None is listed as active, 23 (85%) are plugged & abandoned. Its largest concentration is in California, with 21 wells (78% of its portfolio).
Wells operated
27
Active
0
Plugged
23
Orphaned
0
Portfolio by state
| State | Wells |
|---|---|
| California | 21 |
| North Dakota | 5 |
| Montana | 1 |
Well mix
- Oil wells
- 21
- Gas wells
- 0
- Shut-in
- 0
- Active share
- 0%
Is this your company?
Claim Challenger Minerals to keep this portfolio accurate — verified operators can correct well statuses and add plugging documentation.
Claim your operator profileWhere does Challenger Minerals operate?
Challenger Minerals's catalogued wells are spread across 3 states: California (21), North Dakota (5) and Montana (1). Its 5 North Dakota wells are 0.0% of the 43,680 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 Challenger Minerals’s wells are active, plugged or orphaned?
0% of Challenger Minerals's catalogued wells are active, 29 percentage points below the national share of 29%. 85% are plugged & abandoned, against 47% nationally. None of the wells filed under this name is flagged as orphaned.
What kinds of wells does Challenger Minerals operate?
By product class, 21 (78%) 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 Alvstad 31-29 in Mountrail, ND at 11,492 ft. The wells listed below sit in Mountrail (ND), Fallon (MT), Ward (ND), Renville (ND), Kern (CA) and Fresno (CA). State filings spell the name 3 ways; WellCensus merges exact-normalized spellings only, so subsidiaries and affiliates keep their own pages.
Notable wells operated by Challenger Minerals
| Well | API # / state ID | Status | Type | Location | Operator | Depth |
|---|---|---|---|---|---|---|
| Alvstad 31-29 | 33-061-00336 | Plugged & abandoned | Oil | Mountrail, ND | Challenger Minerals, Inc. | 11,492 ft |
| Credence Fee 12-3 | 25-025-21361 | Plugged & abandoned | Oil | Fallon, MT | Challenger Minerals Inc. | 9,250 ft |
| Pullen 42-17 | 33-061-00330 | Plugged & abandoned | Oil | Mountrail, ND | Challenger Minerals, Inc. | 7,300 ft |
| Wathen 31-33 | 33-101-00328 | Plugged & abandoned | Oil | Ward, ND | Challenger Minerals, Inc. | 6,400 ft |
| James 31-4 | 33-101-00336 | Plugged & abandoned | Oil | Ward, ND | Challenger Minerals, Inc. | 6,200 ft |
| Schultz 14-5 | 33-075-01049 | Plugged & abandoned | Oil | Renville, ND | Challenger Minerals, Inc. | 5,400 ft |
| Bravo 57X-31 | 04-029-62625 | Plugged & abandoned | Oil | Kern, CA | Challenger Minerals Inc. | — |
| E.L. Caine 63-4 | 04-019-21486 | Plugged & abandoned | Other type | Fresno, CA | Challenger Minerals Inc. | — |
| Coulter 74X-25 | 04-029-67047 | Plugged & abandoned | Oil | Kern, CA | Challenger Minerals Inc. | — |
| Houghton 13X-33 | 04-029-61250 | Plugged & abandoned | Oil | Kern, CA | Challenger Minerals Inc. | — |
| Kimmel 65-32 | 04-029-65969 | Other status | Oil | Kern, CA | Challenger Minerals Inc. | — |
| Sherwin 16X-33 | 04-029-66942 | Plugged & abandoned | Oil | Kern, CA | Challenger Minerals Inc. | — |
Deepest first where depth is published. See all 27 wells →
Frequently asked questions
How many wells does Challenger Minerals operate?
Challenger Minerals is the operator of record for 27 catalogued oil & gas wells, with the largest concentration in California (21). Only wells in states WellCensus has ingested are counted.
How many of Challenger Minerals's wells are still active?
0 of Challenger Minerals's catalogued wells are active; 23 are plugged & abandoned.
In which states does Challenger Minerals operate wells?
Challenger Minerals is the operator of record for wells in California (21), North Dakota (5) and Montana (1).
Does Challenger Minerals operate mostly oil or gas wells?
21 of Challenger Minerals's catalogued wells are oil wells and 0 are gas wells; the rest are injection, service or unclassified wells.
What is Challenger Minerals's deepest well?
Among wells with a published depth, Alvstad 31-29 in Mountrail, ND is the deepest at 11,492 ft.
Where Challenger Minerals'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, “Challenger Minerals — well portfolio”, https://wellcensus.com/operators/challenger-minerals-8846 (data as of October 10, 2026).
Dataset updated . Operator portfolios are resolved from raw state registry filings (exact-normalized names; subsidiaries stay separate).