Who operates M L Cook 1?

M L Cook 1 (API 37-125-90324) is operated by Unknown Opr according to the Pennsylvania regulator's registry.

Is M L Cook 1 plugged or still active?

M L Cook 1 is a documented ORPHANED well — unplugged with no solvent operator of record.

Where is M L Cook 1 located?

M L Cook 1 is in Washington County, Pennsylvania at 40.33171, -80.37005.

API 37-125-90324OrphanedGas well

M L Cook 1

Gas well in Washington 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 #: 37-125-90324
Status: Orphaned(state code: USGS DOW 2022 (Orphan))
Type: Gas(GAS)
County: Washington
Coordinates: 40.33171, -80.37005
State record #: 125-90324

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
Kopko Michael Et Al Unit 1h	37-125-27332	Other status	Gas	Range Resources Appalachia LLC
Kopko Michael Et Al Unit 1h	37-125-27298	Active	Gas	Range Resources Appalachia LLC
Kopko Michael Et Al Unit 2h	37-125-27311	Active	Gas	Range Resources Appalachia LLC
Kopko Michael Et Al Unit 3h	37-125-27186	Active	Gas	Range Resources Appalachia LLC
G. Allison 2	37-125-91261	Plugged & abandoned	Gas	Equitable Gas Co
Kopko Michael Et Al Unit 4h	37-125-27440	Active	Gas	Range Resources Appalachia LLC

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