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Indiana oil and gas wells

78,369 wells on record: 8,058 active, 65,749 plugged, 500 flagged orphaned. Source: Indiana Department of Natural Resources, Division of Oil and Gas, data as of 2026-10-17.

Top 50 operators by active wells

OperatorActiveAll wells
Pioneer Oil Co., Inc.409860
CDG Operations, LLC311349
Tussey Oil Properties LLC239250
Citizens Energy Group239239
Moore Engineering & Prod. Co., Inc.225418
Brothers Oil and Iron, LLC222234
Campbell Energy LLC196276
Citation Oil & Gas Corp.184255
Indian Black Water, Inc.180210
S & S Oil and Gas LLC178206
Riverside Petroleum Indiana LLC178204
Travis Thompson Oil Corporation174192
Texas Gas Transmission, LLC154175
In. Gas Co. dba Vectren Energy Delivery Of In. Inc153235
Northern Indiana Public Service Company133492
Nichols Operating, LLC133243
Southern Indiana Gas & Electric Co.129173
Spartan Energy LLC129137
L & N Oil Company LLC117149
BreitBurn Operating LP105267
Winn Oil, LLC101106
Dee Drilling Co.89212
Liberty Oil Exploration LLC89100
Revitalize Resources Operating Inc8495
Southern Triangle Oil Co.82183
Union Oil Investments, LLC8092
Centaur Petroleum Corp.7583
Jack W. Racer72127
Pulse Energy Systems, L.L.C.70127
Warren American Oil Company, LLC6785
OVO, Inc.6782
P.O. & G. Operating LLC6688
WB Energy Partners LLC6667
Becker Oil, Inc.64132
Brandt B. Powell6366
West Drilling Company6299
Quantum Exploration LLC5780
Robinson Engineering55307
Siskiyou Energy, LLC53102
Brookston Resources, Inc.52133
Blackjack Oil Corp.5262
Hoosier Energy REC, Inc5260
Indiana Oil Company, Inc5170
MAP Oil Company, Inc.50120
L. C. Neely Drilling, Inc.5089
Crown Well Service, Inc.4569
Robinson Energy Resources LLC4546
High Ground Operating LLC4447
Michael Maddle4244
J. D. Scott, Jr.4048

Wells by county