Hancock Warren J
Operator of record for 10 catalogued wells across 2 states. Every well below links to its full registry page.
Filed as: HANCOCK WARREN J · Hancock Warren J.
At a glance
Hancock Warren J is the operator of record for 10 catalogued U.S. oil & gas wells in 2 states. None is listed as active, 10 (100%) are plugged & abandoned. Its largest concentration is in Montana, with 9 wells (90% of its portfolio).
Wells operated
10
Active
0
Plugged
10
Orphaned
0
Portfolio by state
| State | Wells |
|---|---|
| Montana | 9 |
| Wyoming | 1 |
Well mix
- Oil wells
- 1
- Gas wells
- 0
- Shut-in
- 0
- Active share
- 0%
Is this your company?
Claim Hancock Warren J to keep this portfolio accurate — verified operators can correct well statuses and add plugging documentation.
Claim your operator profileWhere does Hancock Warren J operate?
Hancock Warren J's catalogued wells are spread across 2 states: Montana (9) and Wyoming (1). Its 9 Montana wells are 0.0% of the 42,011 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 Hancock Warren J’s wells are active, plugged or orphaned?
0% of Hancock Warren J'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 Hancock Warren J operate?
By product class, 1 (10%) 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 Horn Patented 42-27 in Crook, WY at 7,500 ft. The wells listed below sit in Crook (WY), Musselshell (MT), Pondera (MT) and Custer (MT). 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 Hancock Warren J
| Well | API # / state ID | Status | Type | Location | Operator | Depth |
|---|---|---|---|---|---|---|
| Horn Patented 42-27 | 49-011-20303 | Plugged & abandoned | Oil | Crook, WY | Hancock Warren J | 7,500 ft |
| Hougen 13-26 | 25-065-21222 | Plugged & abandoned | Other type | Musselshell, MT | Hancock Warren J. | 5,160 ft |
| Horigen 44-21 | 25-065-21180 | Plugged & abandoned | Other type | Musselshell, MT | Hancock Warren J. | 5,060 ft |
| Manyhides 44-33 | 25-073-21239 | Plugged & abandoned | Other type | Pondera, MT | Hancock Warren J. | 3,480 ft |
| Blackfeet 13-35 | 25-073-21246 | Plugged & abandoned | Other type | Pondera, MT | Hancock Warren J. | 3,340 ft |
| Ranum 1-23 | 25-017-21129 | Plugged & abandoned | Other type | Custer, MT | Hancock Warren J. | 2,822 ft |
| Riley 1-18 | 25-017-21126 | Plugged & abandoned | Other type | Custer, MT | Hancock Warren J. | 2,200 ft |
| State 1-36 | 25-017-21127 | Plugged & abandoned | Other type | Custer, MT | Hancock Warren J. | 2,136 ft |
| Federal 1-14 | 25-017-21128 | Plugged & abandoned | Other type | Custer, MT | Hancock Warren J. | 1,878 ft |
| Federal 1-18 | 25-017-21130 | Plugged & abandoned | Other type | Custer, MT | Hancock Warren J. | 1,664 ft |
Deepest first where depth is published. See all 10 wells →
Frequently asked questions
How many wells does Hancock Warren J operate?
Hancock Warren J is the operator of record for 10 catalogued oil & gas wells, with the largest concentration in Montana (9). Only wells in states WellCensus has ingested are counted.
How many of Hancock Warren J's wells are still active?
0 of Hancock Warren J's catalogued wells are active; 10 are plugged & abandoned.
In which states does Hancock Warren J operate wells?
Hancock Warren J is the operator of record for wells in Montana (9) and Wyoming (1).
Does Hancock Warren J operate mostly oil or gas wells?
1 of Hancock Warren J's catalogued wells are oil wells and 0 are gas wells; the rest are injection, service or unclassified wells.
What is Hancock Warren J's deepest well?
Among wells with a published depth, Horn Patented 42-27 in Crook, WY is the deepest at 7,500 ft.
Where Hancock Warren J'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, “Hancock Warren J — well portfolio”, https://wellcensus.com/operators/hancock-warren-j-36714 (data as of October 10, 2026).
Dataset updated . Operator portfolios are resolved from raw state registry filings (exact-normalized names; subsidiaries stay separate).