Grynberg Jack J
Operator of record for 54 catalogued wells across 4 states. Every well below links to its full registry page.
Filed as: GRYNBERG JACK J · Grynberg, Jack J · Grynberg, Jack J.
At a glance
Grynberg Jack J is the operator of record for 54 catalogued U.S. oil & gas wells in 4 states. 1 (2%) are active, 49 (91%) plugged & abandoned. Its largest concentration is in Wyoming, with 40 wells (74% of its portfolio).
Wells operated
54
Active
1
Plugged
49
Orphaned
0
Portfolio by state
| State | Wells |
|---|---|
| Wyoming | 40 |
| Montana | 5 |
| Utah | 5 |
| Illinois | 4 |
Well mix
- Oil wells
- 26
- Gas wells
- 19
- Shut-in
- 1
- Active share
- 2%
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Claim your operator profileWhere does Grynberg Jack J operate?
Grynberg Jack J's catalogued wells are spread across 4 states: Wyoming (40), Montana (5), Utah (5) and Illinois (4). Its 40 Wyoming wells are 0.0% 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 Grynberg Jack J’s wells are active, plugged or orphaned?
2% of Grynberg Jack J's catalogued wells are active, 27 percentage points below the national share of 29%. 91% are plugged & abandoned, against 47% nationally. 1 wells (2%) are shut-in — unplugged but idle. None of the wells filed under this name is flagged as orphaned.
What kinds of wells does Grynberg Jack J operate?
By product class, 26 (48%) are oil wells and 19 (35%) gas wells; nationally the shares are 43% and 17%. The deepest of its wells with a published depth is USA-Beaver Mesa 1-7 in Sweetwater, WY at 13,676 ft. The wells listed below sit in Sweetwater (WY), Fremont (WY), Converse (WY), Washakie (WY), Weston (WY) and Richland (MT). 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 Grynberg Jack J
| Well | API # / state ID | Status | Type | Location | Operator | Depth |
|---|---|---|---|---|---|---|
| USA-Beaver Mesa 1-7 | 49-037-20416 | Plugged & abandoned | Gas | Sweetwater, WY | Grynberg Jack J | 13,676 ft |
| State 42x-16 | 49-037-20599 | Plugged & abandoned | Gas | Sweetwater, WY | Grynberg Jack J | 12,895 ft |
| Federal 13-7 | 49-013-20466 | Plugged & abandoned | Oil | Fremont, WY | Grynberg Jack J | 12,578 ft |
| St 64-9693 11x-16 | 49-009-20637 | Plugged & abandoned | Oil | Converse, WY | Grynberg Jack J | 10,830 ft |
| Lost Soldier Federal 1-34 | 49-013-23098 | Plugged & abandoned | Oil | Fremont, WY | Grynberg Jack J | 10,770 ft |
| Yaz Federal 1-15 | 49-043-21097 | Plugged & abandoned | Gas | Washakie, WY | Grynberg Jack J | 10,600 ft |
| Yaz Federal 3-28 | 49-043-21105 | Plugged & abandoned | Gas | Washakie, WY | Grynberg Jack J | 10,600 ft |
| Yaz Federal 2-15 | 49-043-21104 | Plugged & abandoned | Gas | Washakie, WY | Grynberg Jack J | 10,546 ft |
| Govt 1 | 49-045-09174 | Plugged & abandoned | Oil | Weston, WY | Grynberg Jack J | 10,094 ft |
| Sawyer 1 | 25-083-05088 | Plugged & abandoned | Other type | Richland, MT | Grynberg, Jack J. | 9,540 ft |
| Fee 1-25 | 49-009-20478 | Plugged & abandoned | Oil | Converse, WY | Grynberg Jack J | 8,712 ft |
| State 1 | 49-037-20004 | Plugged & abandoned | Gas | Sweetwater, WY | Grynberg Jack J | 8,610 ft |
Deepest first where depth is published. See all 54 wells →
Frequently asked questions
How many wells does Grynberg Jack J operate?
Grynberg Jack J is the operator of record for 54 catalogued oil & gas wells, with the largest concentration in Wyoming (40). Only wells in states WellCensus has ingested are counted.
How many of Grynberg Jack J's wells are still active?
1 of Grynberg Jack J's catalogued wells are active; 49 are plugged & abandoned.
In which states does Grynberg Jack J operate wells?
Grynberg Jack J is the operator of record for wells in Wyoming (40), Montana (5), Utah (5) and Illinois (4).
Does Grynberg Jack J operate mostly oil or gas wells?
26 of Grynberg Jack J's catalogued wells are oil wells and 19 are gas wells; the rest are injection, service or unclassified wells.
What is Grynberg Jack J's deepest well?
Among wells with a published depth, USA-Beaver Mesa 1-7 in Sweetwater, WY is the deepest at 13,676 ft.
Where Grynberg Jack 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, “Grynberg Jack J — well portfolio”, https://wellcensus.com/operators/grynberg-jack-j-4674 (data as of October 10, 2026).
Dataset updated . Operator portfolios are resolved from raw state registry filings (exact-normalized names; subsidiaries stay separate).