Greylock Opco
Operator of record for 508 catalogued wells across 2 states. Every well below links to its full registry page.
Filed as: GREYLOCK OPCO LLC · GREYLOCK OPCO, LLC
Wells operated
508
Active
501
Plugged
2
Orphaned
5
Portfolio by state
| State | Wells |
|---|---|
| West Virginia | 401 |
| Pennsylvania | 107 |
Well mix
- Oil wells
- 0
- Gas wells
- 508
- Shut-in
- 0
- Active share
- 99%
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Claim your operator profileNotable wells operated by Greylock Opco
| Well | API # | Status | Type | Location | Operator | Depth |
|---|---|---|---|---|---|---|
| Edward B. Carnahan 2 | 37-063-30006 | Active | Gas | Indiana, PA | Greylock Opco LLC | — |
| Lochmiller 1 | 37-059-23289 | Active | Gas | Greene, PA | Greylock Opco LLC | — |
| Duane Witherow 2 | 37-033-24785 | Active | Gas | Clearfield, PA | Greylock Opco LLC | — |
| M Thompson 5 | 37-033-24803 | Active | Gas | Clearfield, PA | Greylock Opco LLC | — |
| Swistock 4 | 37-033-24748 | Active | Gas | Clearfield, PA | Greylock Opco LLC | — |
| Cathaleene Johnston 2 | 37-033-23986 | Active | Gas | Clearfield, PA | Greylock Opco LLC | — |
| Norris 3 | 37-033-25006 | Active | Gas | Clearfield, PA | Greylock Opco LLC | — |
| E B Wright 6 | 37-063-33122 | Active | Gas | Indiana, PA | Greylock Opco LLC | — |
| Burchianti 3 | 37-059-23269 | Active | Gas | Greene, PA | Greylock Opco LLC | — |
| Iraca 1 | 37-033-24726 | Active | Gas | Clearfield, PA | Greylock Opco LLC | — |
| Stein Unit 3 | 37-033-24839 | Active | Gas | Clearfield, PA | Greylock Opco LLC | — |
| Shannon Land & Mining Co 6 | 37-033-24862 | Active | Gas | Clearfield, PA | Greylock Opco LLC | — |
Deepest first where depth is published; find any well via search.
Frequently asked questions
How many wells does Greylock Opco operate?
Greylock Opco is the operator of record for 508 catalogued oil & gas wells, with the largest concentration in West Virginia (401). Only wells in states WellCensus has ingested are counted.
How many of Greylock Opco's wells are still active?
501 of Greylock Opco's catalogued wells are active; 2 are plugged & abandoned and 5 are flagged as orphaned.
Dataset updated . Operator portfolios are resolved from raw state registry filings (exact-normalized names; subsidiaries stay separate).