Who operates U S G S 401?

U S G S 401 (API 37-019-91086) is operated by Unknown Opr according to the Pennsylvania regulator's registry.

Is U S G S 401 plugged or still active?

U S G S 401 is a documented ORPHANED well — unplugged with no solvent operator of record.

Where is U S G S 401 located?

U S G S 401 is in Butler County, Pennsylvania at 40.86239, -79.75301.

API 37-019-91086OrphanedGas well

U S G S 401

Gas well in Butler County, Pennsylvania · operated by Unknown Opr

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

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Drilling began

Completion

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Plug date

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Total depth

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Registry record

API #: 37-019-91086
Status: Orphaned(state code: DEP Abandoned List)
Type: Gas(GAS)
County: Butler
Coordinates: 40.86239, -79.75301
State record #: 019-91086

Operator

Unknown Opr

Wells operated: 8,201
Active: 12
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
Terry Bowser A Unit 7h	37-005-31248	Other status	Gas	Xto Energy Inc
Terry Bowser A Unit 7h	37-005-31121	Other status	Gas	Xto Energy Inc
Henry H Lerner 10641	37-019-00715	Active	Gas	Sme Well Svc Inc
Terry Bowser A Unit 3h	37-005-31097	Active	Gas	Xto Energy Inc
Biblical Life Institute 1m	37-005-31118	Active	Gas	Mds Energy Dev LLC
Henry W Dahmen Fmly J Hesselgesser 0	37-019-21028	Plugged & abandoned	Gas	Peoples Gas Co LLC

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