Greylock Production
Operator of record for 2,454 catalogued wells across 2 states. Every well below links to its full registry page.
Filed as: GREYLOCK PRODUCTION LLC · Greylock Production, LLC
At a glance
Greylock Production is the operator of record for 2,454 catalogued U.S. oil & gas wells in 2 states. 1,467 (60%) are active, 207 (8%) plugged & abandoned. Its largest concentration is in Utah, with 1,474 wells (60% of its portfolio).
Wells operated
2,454
Active
1,467
Plugged
207
Orphaned
0
Portfolio by state
| State | Wells |
|---|---|
| Utah | 1,474 |
| Wyoming | 980 |
Well mix
- Oil wells
- 245
- Gas wells
- 2,090
- Shut-in
- 702
- Active share
- 60%
Is this your company?
Claim Greylock Production to keep this portfolio accurate — verified operators can correct well statuses and add plugging documentation.
Claim your operator profileWhere does Greylock Production operate?
Greylock Production's catalogued wells are spread across 2 states: Utah (1,474) and Wyoming (980). Its 1,474 Utah wells are 4% of the 40,139 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 Greylock Production’s wells are active, plugged or orphaned?
60% of Greylock Production's catalogued wells are active, 31 percentage points above the national share of 29%. 8% are plugged & abandoned, against 47% nationally. 702 wells (29%) are shut-in — unplugged but idle. None of the wells filed under this name is flagged as orphaned.
What kinds of wells does Greylock Production operate?
By product class, 245 (10%) are oil wells and 2,090 (85%) gas wells; nationally the shares are 43% and 17%. The deepest of its wells with a published depth is Emigrant Springs 24-15h in Lincoln, WY at 14,894 ft. The wells listed below sit in Lincoln (WY) and Sublette (WY). 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 Greylock Production
| Well | API # / state ID | Status | Type | Location | Operator | Depth |
|---|---|---|---|---|---|---|
| Emigrant Springs 24-15h | 49-023-21718 | Shut-in | Gas | Lincoln, WY | Greylock Production LLC | 14,894 ft |
| Green River Bend 295-07h | 49-023-22352 | Shut-in | Gas | Lincoln, WY | Greylock Production LLC | 12,050 ft |
| Green River Bend 292-12h | 49-023-22344 | Shut-in | Gas | Lincoln, WY | Greylock Production LLC | 12,040 ft |
| Green River Bend 307-36h | 49-035-26875 | Shut-in | Gas | Sublette, WY | Greylock Production LLC | 12,035 ft |
| Stead Canyon 39-10h | 49-023-22333 | Active | Gas | Lincoln, WY | Greylock Production LLC | 11,902 ft |
| Green River Bend U 293-36 H | 49-035-26360 | Active | Gas | Sublette, WY | Greylock Production LLC | 11,740 ft |
| Green River Bend Un 272-36h | 49-035-25466 | Shut-in | Gas | Sublette, WY | Greylock Production LLC | 11,716 ft |
| East Labarge Unit 102-32h | 49-035-24059 | Shut-in | Gas | Sublette, WY | Greylock Production LLC | 11,630 ft |
| Green River Bend U 296-11h | 49-023-22328 | Active | Gas | Lincoln, WY | Greylock Production LLC | 11,587 ft |
| Green River Bend Un 274-12h | 49-023-22227 | Active | Gas | Lincoln, WY | Greylock Production LLC | 11,544 ft |
| Green River Bend 269-18h | 49-023-22363 | Active | Gas | Lincoln, WY | Greylock Production LLC | 11,493 ft |
| Green River Bend Ut 271-30h | 49-035-25445 | Shut-in | Gas | Sublette, WY | Greylock Production LLC | 11,400 ft |
Deepest first where depth is published. See all 2,454 wells →
Frequently asked questions
How many wells does Greylock Production operate?
Greylock Production is the operator of record for 2,454 catalogued oil & gas wells, with the largest concentration in Utah (1,474). Only wells in states WellCensus has ingested are counted.
How many of Greylock Production's wells are still active?
1,467 of Greylock Production's catalogued wells are active; 207 are plugged & abandoned.
In which states does Greylock Production operate wells?
Greylock Production is the operator of record for wells in Utah (1,474) and Wyoming (980).
Does Greylock Production operate mostly oil or gas wells?
245 of Greylock Production's catalogued wells are oil wells and 2,090 are gas wells; the rest are injection, service or unclassified wells.
What is Greylock Production's deepest well?
Among wells with a published depth, Emigrant Springs 24-15h in Lincoln, WY is the deepest at 14,894 ft.
Where Greylock Production'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, “Greylock Production — well portfolio”, https://wellcensus.com/operators/greylock-production-6715 (data as of October 10, 2026).
Dataset updated . Operator portfolios are resolved from raw state registry filings (exact-normalized names; subsidiaries stay separate).