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WellCensus
API 25-009-06422OrphanedOil well

Mack #11 1

Oil well in Carbon County, Montana · operated by Ohio Oil

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

Jun 18, 1916

Plug date

Total depth

1,810 ft

As published by the state

Registry record

API #
25-009-06422
Status
Orphaned(state code: USGS DOW 2022 (Orphan))
Type
Oil(Oil)
Field
Elk Basin
County
Carbon
Coordinates
45.00733, -108.87360
State record #
2500906422

Operator

Ohio Oil

Wells operated
3,174
Active
783
States
AL, AR, CO, IL, KY, MI, MS, MT, ND, UT
As filed
Ohio Oil Company

Location & nearby wells

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documentedproducingidlesealed
This entry + 8 nearby

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Nearby wells

WellAPI #StatusTypeOperator
So Elk Basin Unit 5249-029-21761Shut-inOilContango Resources LLC
Elk Basin South Unit 2549-029-06024ActiveGasContango Resources LLC
So Elk Bas C-0067607 5049-029-21597Plugged & abandonedOilMarathon Oil Company
S Unit Nprr Patent 3349-029-06025Shut-inOilContango Resources LLC
S Unit Nprr Patent 2349-029-06027Shut-inOilContango Resources LLC
True Mcmoran W-7243 22-2849-029-20550Plugged & abandonedOilTrue Oil LLC

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