Who operates Hartman, Elmer 1-A?

Hartman, Elmer 1-A (API 12-023-00692) is operated by C. L. McMahon, Inc. according to the Illinois regulator's registry.

Is Hartman, Elmer 1-A plugged or still active?

Hartman, Elmer 1-A is plugged and abandoned.

Hartman, Elmer 1-A is in Clark County, Illinois at 39.26113, -87.91845.

API 12-023-00692Plugged & abandonedOther type well

Other type well in Clark County, Illinois · operated by Cl Mcmahon

Spud date

—

Drilling began

Completion

Jan 1, 1950

Plug date

—

Total depth

454 ft

As published by the state

API #: 12-023-00692
Status: Plugged & abandoned(state code: Dry and Abandoned, No Shows, Plugged)
Type: Other type(DAP)
County: Clark
Coordinates: 39.26113, -87.91845
State record #: 120230069200

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documentedproducingidlesealed

This entry + 8 nearby

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Well	API #	Status	Type	Operator
Chesser, Bertha 1	12-033-30260	Plugged & abandoned	Other type	Hocking Oil Company, Inc.
Freeland, William J. 2	12-079-00869	Plugged & abandoned	Other type	Carter D V
Smith, Fred 1	12-033-06607	Plugged & abandoned	Other type	Fairfield Oil Company
Grant, O. B. 27	12-033-07221	Plugged & abandoned	Oil	Ohio Oil Co., The
Grant, O. B. P-6	12-033-07018	Plugged & abandoned	Oil	Nomo Petroleum
Grant, O. B. 25	12-033-07219	Plugged & abandoned	Oil	Ohio Oil Co., The

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