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San Marcos Exploration Company: wells in Illinois

San Marcos Exploration Company has 3 wells on record with the Illinois State Geological Survey, ranking #5,031 among Illinois operators by wells on record. All of them are in Jasper County. Illinois's records don't say which wells are producing; 3 of these are recorded as plugged. Of the 3 wells for this operator with a type on record, 67% are oil wells and 33% dry holes.

Where they operate

CountyActiveWells
Jasper03

Wells

Not plugged · All wells · Plugged · Orphaned · Disposal (SWD) and injection

WellAPI / IDStatusType
No wells match.

San Marcos Exploration Company in Illinois: questions

How many wells does San Marcos Exploration Company operate in Illinois?

3 wells are on record; 3 are plugged.

Where does San Marcos Exploration Company operate in Illinois?

Only in Jasper County.

Operator names are shown as each state records them. Data as of 2026-10-17.