No operator of record is listed for Df 11 (API 31-003-71348) — it is a documented orphaned well with no solvent operator.

Is Df 11 plugged or still active?

Df 11 is a documented ORPHANED well — unplugged with no solvent operator of record.

Where is Df 11 located?

Df 11 is in Allegany County, New York at 42.04739, -78.11721, in the Richburg field.

API 31-003-71348OrphanedOil well

Df 11

Oil well in Allegany County, New York

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

—

Drilling began

Completion

—

Plug date

—

Total depth

0 ft

As published by the state

Registry record

API #: 31-003-71348
Status: Orphaned(state code: USGS DOW 2022 (Unknown Located))
Type: Oil(OD)
Field: Richburg
County: Allegany
Coordinates: 42.04739, -78.11721
State record #: 31003713480000

Operator

No operator of record — this is a documented orphaned well.

Location & nearby wells

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documentedproducingidlesealed

This entry + 8 nearby

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Nearby wells

Well	API #	Status	Type	Operator
Bixby B20	37-105-20910	Active	Gas	Maxson Gas Corp
Stilson 44	37-105-20887	Active	Gas	Maxson Gas Corp
Turkey Path 4	37-105-00525	Active	Gas	Maxson Gas Corp
Bixby B21	37-105-20911	Active	Gas	Maxson Gas Corp
A A Mulkias 1038	37-105-00163	Plugged & abandoned	Gas	Pa Dep Ofc Oil & Gas Mgmt
Stilson 43	37-105-20886	Active	Gas	Maxson Gas Corp

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