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Jefferson County, IL oil and gas wells

4,655 wells: 0 active, 3,266 plugged, run by 875 operators.

Figures from the Illinois State Geological Survey, updated 2026-10-17.

Top operators in Jefferson

OperatorActiveWells here
Gulf Refining Company0143
Magnolia Petroleum Company0127
Superior Oil Company0105
Herley, David F.096
Strickland, Frank L.089
Oelze, Elmer Jr.075
National Associated Petroleum Co.073
Texaco, Inc.068
Dunnill, John F.067
Texas Company, The066
Humble Oil & Refining Company064
C. E. Brehm Drilling & Prod.060
The Texas Company060
Sherman, Ernest054
Carter Oil Co.051
Minor, Burrell G.051
Dare, Leo048
Gentles, Albert048
Self, Eddie M.046
Redwine, Nash044
Farrar Oil Co., Inc.043
Wilbanks Exploration, Inc.043
Wood Energy, Inc.042
Brehm, C. E. Drilling & Producing041
Prior, John041

Wells

Not plugged · All wells · Plugged · Orphaned

WellAPI / IDStatusTypeOperator
(no name) 2 12-081-01854Plugged Other🔒 Sign in free
(no name) 1 12-081-01855Plugged Other🔒 Sign in free
(no name) 3 12-081-01856Plugged Other🔒 Sign in free
(no name) 1784 12-081-02541Status not reported Other🔒 Sign in free
(no name) 12-081-02542Status not reported Other🔒 Sign in free
(no name) 1786 12-081-02543Status not reported Other🔒 Sign in free
(no name) 1787 12-081-02544Status not reported Other🔒 Sign in free
(no name) 12-081-02545Status not reported Other🔒 Sign in free
(no name) 12-081-02546Status not reported Other🔒 Sign in free
(no name) 11 12-081-02547Status not reported Other🔒 Sign in free
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