Moncrief Etal
Operator of record for 9 catalogued wells across 1 state. Every well below links to its full registry page.
At a glance
Moncrief Etal is the operator of record for 9 catalogued U.S. oil & gas wells in 1 state. None is listed as active, 9 (100%) are plugged & abandoned. Its largest concentration is in Montana, with 9 wells (100% of its portfolio).
Wells operated
9
Active
0
Plugged
9
Orphaned
0
Portfolio by state
| State | Wells |
|---|---|
| Montana | 9 |
Well mix
- Oil wells
- 0
- Gas wells
- 0
- Shut-in
- 0
- Active share
- 0%
Is this your company?
Claim Moncrief Etal to keep this portfolio accurate — verified operators can correct well statuses and add plugging documentation.
Claim your operator profileWhere does Moncrief Etal operate?
Moncrief Etal's catalogued wells are spread across 1 state: Montana (9). 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 Moncrief Etal’s wells are active, plugged or orphaned?
0% of Moncrief Etal'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 Moncrief Etal operate?
By product class, 0 (0%) 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 Vincent 29-1 in Sheridan, MT at 8,164 ft. The wells listed below sit in Sheridan (MT), Roosevelt (MT), Mccone (MT), Phillips (MT), Pondera (MT) and Teton (MT).
Notable wells operated by Moncrief Etal
| Well | API # / state ID | Status | Type | Location | Operator | Depth |
|---|---|---|---|---|---|---|
| Vincent 29-1 | 25-091-21164 | Plugged & abandoned | Other type | Sheridan, MT | Moncrief Etal | 8,164 ft |
| Thompson 1 | 25-085-21217 | Plugged & abandoned | Other type | Roosevelt, MT | Moncrief Etal | 7,600 ft |
| Clemetson 17-1 | 25-091-21163 | Plugged & abandoned | Other type | Sheridan, MT | Moncrief Etal | 7,075 ft |
| Sunray-Govt 1 | 25-055-05121 | Plugged & abandoned | Other type | Mccone, MT | Moncrief Etal | 7,017 ft |
| Federal 1 | 25-071-05167 | Plugged & abandoned | Other type | Phillips, MT | Moncrief Etal | 4,225 ft |
| State 1 | 25-073-21142 | Plugged & abandoned | Other type | Pondera, MT | Moncrief Etal | 3,630 ft |
| State 1 | 25-099-21036 | Plugged & abandoned | Other type | Teton, MT | Moncrief Etal | 3,620 ft |
| State 22-25-61 | 25-099-21039 | Plugged & abandoned | Other type | Teton, MT | Moncrief Etal | 2,993 ft |
| Federal 1 | 25-099-21041 | Plugged & abandoned | Other type | Teton, MT | Moncrief Etal | 2,704 ft |
Deepest first where depth is published. See all 9 wells →
Frequently asked questions
How many wells does Moncrief Etal operate?
Moncrief Etal is the operator of record for 9 catalogued oil & gas wells, with the largest concentration in Montana (9). Only wells in states WellCensus has ingested are counted.
How many of Moncrief Etal's wells are still active?
0 of Moncrief Etal's catalogued wells are active; 9 are plugged & abandoned.
In which states does Moncrief Etal operate wells?
Moncrief Etal is the operator of record for wells in Montana (9).
Does Moncrief Etal operate mostly oil or gas wells?
0 of Moncrief Etal's catalogued wells are oil wells and 0 are gas wells; the rest are injection, service or unclassified wells.
What is Moncrief Etal's deepest well?
Among wells with a published depth, Vincent 29-1 in Sheridan, MT is the deepest at 8,164 ft.
Where Moncrief Etal'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, “Moncrief Etal — well portfolio”, https://wellcensus.com/operators/moncrief-etal-128125 (data as of October 10, 2026).
Dataset updated . Operator portfolios are resolved from raw state registry filings (exact-normalized names; subsidiaries stay separate).