Moncrief Wa Jr
Operator of record for 115 catalogued wells across 3 states. Every well below links to its full registry page.
Filed as: MONCRIEF W A JR · Moncrief, W A Jr · Moncrief, W.A., Jr.
At a glance
Moncrief Wa Jr is the operator of record for 115 catalogued U.S. oil & gas wells in 3 states. 18 (16%) are active, 81 (70%) plugged & abandoned. Its largest concentration is in Wyoming, with 111 wells (97% of its portfolio).
Wells operated
115
Active
18
Plugged
81
Orphaned
0
Portfolio by state
| State | Wells |
|---|---|
| Wyoming | 111 |
| Arkansas | 3 |
| Alabama | 1 |
Well mix
- Oil wells
- 68
- Gas wells
- 41
- Shut-in
- 6
- Active share
- 16%
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Claim your operator profileWhere does Moncrief Wa Jr operate?
Moncrief Wa Jr's catalogued wells are spread across 3 states: Wyoming (111), Arkansas (3) and Alabama (1). Its 111 Wyoming wells are 0.1% of the 129,957 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 Wa Jr’s wells are active, plugged or orphaned?
16% of Moncrief Wa Jr's catalogued wells are active, 13 percentage points below the national share of 29%. 70% are plugged & abandoned, against 47% nationally. 6 wells (5%) are shut-in — unplugged but idle. None of the wells filed under this name is flagged as orphaned.
What kinds of wells does Moncrief Wa Jr operate?
By product class, 68 (59%) are oil wells and 41 (36%) gas wells; nationally the shares are 43% and 17%. The deepest of its wells with a published depth is Steffin Hill Fee 12-2 in Fremont, WY at 23,092 ft. The wells listed below sit in Fremont (WY) and Natrona (WY). 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 Moncrief Wa Jr
| Well | API # / state ID | Status | Type | Location | Operator | Depth |
|---|---|---|---|---|---|---|
| Steffin Hill Fee 12-2 | 49-013-21427 | Plugged & abandoned | Gas | Fremont, WY | Moncrief W A Jr | 23,092 ft |
| Lox 11-1 | 49-025-21358 | Plugged & abandoned | Other type | Natrona, WY | Moncrief W A Jr | 22,780 ft |
| Tepee Flats 18-1 | 49-025-21523 | Plugged & abandoned | Gas | Natrona, WY | Moncrief W A Jr | 22,403 ft |
| Steffen Hill- Lysite 7-1 | 49-013-20708 | Plugged & abandoned | Gas | Fremont, WY | Moncrief W A Jr | 21,585 ft |
| Pine Mountain 35-1 | 49-025-21668 | Plugged & abandoned | Oil | Natrona, WY | Moncrief W A Jr | 21,481 ft |
| Federal W-39420 27-1 | 49-025-21327 | Plugged & abandoned | Gas | Natrona, WY | Moncrief W A Jr | 21,382 ft |
| Tepee Flats 14-1 | 49-025-21538 | Shut-in | Other type | Natrona, WY | Moncrief W A Jr | 20,102 ft |
| Badwater Creek 1 | 49-025-22405 | Plugged & abandoned | Gas | Natrona, WY | Moncrief W A Jr | 20,080 ft |
| Long Butte 72-34772 5 | 49-013-21127 | Active | Gas | Fremont, WY | Moncrief W A Jr | 19,835 ft |
| Steffen Hill W-53766 17-1 | 49-013-20856 | Active | Gas | Fremont, WY | Moncrief W A Jr | 19,775 ft |
| Steffen Hill W-1999 19-1 | 49-013-21049 | Plugged & abandoned | Gas | Fremont, WY | Moncrief W A Jr | 19,640 ft |
| Long Butte Unit 25-1 | 49-013-21337 | Active | Gas | Fremont, WY | Moncrief W A Jr | 19,453 ft |
Deepest first where depth is published. See all 115 wells →
Frequently asked questions
How many wells does Moncrief Wa Jr operate?
Moncrief Wa Jr is the operator of record for 115 catalogued oil & gas wells, with the largest concentration in Wyoming (111). Only wells in states WellCensus has ingested are counted.
How many of Moncrief Wa Jr's wells are still active?
18 of Moncrief Wa Jr's catalogued wells are active; 81 are plugged & abandoned.
In which states does Moncrief Wa Jr operate wells?
Moncrief Wa Jr is the operator of record for wells in Wyoming (111), Arkansas (3) and Alabama (1).
Does Moncrief Wa Jr operate mostly oil or gas wells?
68 of Moncrief Wa Jr's catalogued wells are oil wells and 41 are gas wells; the rest are injection, service or unclassified wells.
What is Moncrief Wa Jr's deepest well?
Among wells with a published depth, Steffin Hill Fee 12-2 in Fremont, WY is the deepest at 23,092 ft.
Where Moncrief Wa Jr'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 Wa Jr — well portfolio”, https://wellcensus.com/operators/moncrief-wa-jr-7900 (data as of October 10, 2026).
Dataset updated . Operator portfolios are resolved from raw state registry filings (exact-normalized names; subsidiaries stay separate).