Who operates Richardson 21?

Richardson 21 (API 37-083-21034) is operated by Lilly Lynn M according to the Pennsylvania regulator's registry.

Is Richardson 21 plugged or still active?

Richardson 21 is a documented ORPHANED well — unplugged with no solvent operator of record.

Where is Richardson 21 located?

Richardson 21 is in McKean County, Pennsylvania at 41.87647, -78.89420.

API 37-083-21034OrphanedOil well

Richardson 21

Oil well in McKean County, Pennsylvania · operated by Lilly Lynn M

Documented orphaned well. This well appears in the federal/state orphaned-well inventory — unplugged, with no solvent operator of record. See the orphan-well census for state and county totals and the $4.7B federal plugging program.

Spud date

Aug 3, 1957

Drilling began

Completion

—

Plug date

—

Total depth

—

Registry record

API #: 37-083-21034
Status: Orphaned(state code: DEP Abandoned List)
Type: Oil(OIL)
County: McKean
Coordinates: 41.87647, -78.89420
State record #: 083-21034

Operator

Lilly Lynn M

Wells operated: 5
Active: 0
States: PA

Location & nearby wells

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documentedproducingidlesealed

This entry + 8 nearby

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Nearby wells

Well	API #	Status	Type	Operator
Anf 153 60	37-123-49176	Active	Oil	Wilmoth Interests Inc
Anf153 58	37-123-49175	Active	Oil	Wilmoth Interests Inc
Serial 1350p 1350p	37-083-04450	Active	Injection	Natl Fuel Gas Supply Corp
Anf 153 13	37-123-48275	Active	Oil	Wilmoth Interests Inc
Anf 153 3	37-123-48150	Active	Oil	Wilmoth Interests Inc
Warrant 3121 12	37-083-48163	Active	Oil	Pennhills Resources LLC

Dataset updated July 2026 . Source: Pennsylvania oil & gas regulator registry + the USGS documented-orphaned-wells inventory.