Who operates Hartley 3-B?

Hartley 3-B (API 12-025-26030) is operated by Crest Oil Co., Inc. according to the Illinois regulator's registry.

Is Hartley 3-B plugged or still active?

Hartley 3-B is a documented ORPHANED well — unplugged with no solvent operator of record.

Where is Hartley 3-B located?

Hartley 3-B is in Clay County, Illinois at 38.70247, -88.31165.

API 12-025-26030OrphanedOil well

Hartley 3-B

Oil well in Clay County, Illinois · operated by Crest 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

Sep 14, 1979

Plug date

—

Total depth

3,645 ft

As published by the state

Registry record

API #: 12-025-26030
Status: Orphaned(state code: USGS DOW 2022 (Orphan))
Type: Oil(OIL)
County: Clay
Coordinates: 38.70247, -88.31165
State record #: 120252603000

Operator

Crest Oil

Wells operated: 150
Active: 23
States: CA, IL, KY, MI, UT
As filed: Crest Oil Co., Inc.

Location & nearby wells

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documentedproducingidlesealed

This entry + 8 nearby

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Nearby wells

Well	API #	Status	Type	Operator
Zimmerman, G 2	12-191-08126	Plugged & abandoned	Oil	Britton, Shelby A. & Sylvia
Michels T R 1A	12-191-05266	Orphaned	Oil	The Pure Oil Company
Zimmerman, Glen 1	12-191-05577	Plugged & abandoned	Oil	Neal, Dr. Irl J.
Wilson, B. M. W-5	12-191-04179	Plugged & abandoned	Injection	Tamarack Petroleum Co.
Rogers, Nannie 3	12-191-05594	Plugged & abandoned	Oil	Partlow & Cochonour
Wilson, B. M. 3	12-191-04157	Plugged & abandoned	Injection	Tamarack Petroleum Co.

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