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Callahan County, TX oil and gas wells

17,561 wells: 2,827 active, 11,995 plugged, run by 984 operators.

Figures from the Railroad Commission of Texas, updated 2026-10-17.

Top operators in Callahan

OperatorActiveWells here
MERKAZ DRILLING LLC3772
MIDSCO3459
WILSON WELL SERVICE INC3373
CLAUSEN A. G.2859
WYLIE BROS. PROD. & DRGL. CO INC2749
CYBER ENVIRO-TECH INC2433
500X OPERATING LLC2425
MOMENTUM OPERATING CO. INC.22115
M2 SQUARED OPERATING LLC2127
HASKIT KENDALL2032
ADENRYEN LTD. CO.1927
KING ENERGY RESOURCES1925
SIMPLE OPERATING LLC1822
TOM-TOM OPERATING LLC1819
OHLHAUSEN OIL COMPANY1624
CLARK BRUCE A.13155
CDJ OIL CO.1327
3-S PRODUCTION CO.1223
GRAYROCK ENERGY II LLC1148
NOSIVAD OIL INC.839
QUAIL WELL SERVICE INC.749
PETEX717
EASTLAND OPERATING L.L.C.710
WEAVER GLOBAL OPERATING LLC77
SOJOURNER DRILLING CORP622

Wells

Not plugged · All wells · Plugged · Orphaned

WellAPI / IDStatusTypeOperator
(no name) 5 548155Active Oil—
(no name) 545662Permitted Unknown—
(no name) 545690Active Oil—
(no name) 545692Permitted Unknown—
(no name) 10 545697Active Oil—
(no name) 545698Active Oil—
(no name) 545705Permitted Unknown—
(no name) 1 545707Permitted Unknown—
(no name) 6 546971Active Oil—
(no name) 546983Active Oil—
(no name) 8 546984Active Oil—
(no name) 1 546991Active Oil—
(no name) 3 547003Active Oil—
(no name) 4 547005Active Oil—
(no name) 10 547015Active Oil—
(no name) 2 548126Active Oil—
(no name) 7 548122Active Oil—
(no name) 3A 548113Active Gas—
(no name) 3 547195Active Oil—
(no name) 3 547189Active Oil—
(no name) 9 547182Active Oil—
(no name) 12 547176Active Oil—
(no name) 42-059-35713Permitted Unknown—
(no name) 1 547171Active Oil—
(no name) 2 547166Active Oil—
(no name) 7 547165Active Oil—
(no name) 9 547162Active Oil—
(no name) 3 547155Active Oil—
(no name) 6 547151Active Oil—
(no name) 7 547150Active Oil—
(no name) 4 547148Active Oil—
(no name) 10 547147Active Oil—
(no name) 42-059-35830Permitted Unknown—
(no name) 1 545963Active Oil—
(no name) 42-059-34852Permitted Unknown—
(no name) 545921Permitted Unknown—
(no name) 544938Active Oil—
(no name) 544935Active Oil—
(no name) 544930Permitted Unknown—
(no name) 1 544922Permitted Unknown—
(no name) 3 544920Active Oil—
(no name) 544919Active Oil—
(no name) 4 544917Active Oil—
(no name) 544916Active Oil—
(no name) 544914Active Oil—
(no name) 3 544913Active Oil—
(no name) 544897Active Oil—
(no name) 3 544894Permitted Unknown—
(no name) 544886Permitted Unknown—
(no name) 42-059-34646Permitted Unknown—
(no name) 1 544001Permitted Unknown—
(no name) 541981Active Oil—
(no name) 42-059-35264Permitted Unknown—
(no name) 541992Active Oil—
(no name) 541994Active Oil—
(no name) 7 542001Active Oil—
(no name) 3B 542002Permitted Unknown—
(no name) 7 542004Permitted Unknown—
(no name) 3I 542005Permitted Unknown—
(no name) 542010Active Oil—
(no name) 543988Active Oil—
(no name) 7 543987Active Gas—
(no name) 8 542021Permitted Unknown—
(no name) 542922Active Oil—
(no name) 542924Permitted Unknown—
(no name) 2 542938Active Oil & gas—
(no name) 2 542939Active Oil—
(no name) 1 542941Active Oil & gas—
(no name) 5 42-059-83063Active Gas—
(no name) 542957Active Oil—
(no name) 542974Permitted Unknown—
(no name) 542984Permitted Unknown—
(no name) 1 543971Active Oil—
(no name) 542987Active Oil—
(no name) 2 544714Permitted Unknown—
(no name) 42-059-36546Permitted Unknown—
(no name) 544726Active Oil—
(no name) 11 544736Active Oil—
(no name) 42-059-34933Permitted Unknown—
(no name) 42-059-36547Permitted Unknown—
(no name) 1 545730Active Gas—
(no name) 545738Active Oil—
(no name) 545748Active Oil—
(no name) 3 545751Permitted Unknown—
(no name) 545752Active Oil—
(no name) 5 545763Active Oil—
(no name) 545789Active Oil—
(no name) 11 545790Active Oil—
(no name) 42-059-36433Permitted Unknown—
(no name) 17 547145Active Oil—
(no name) 3 547139Active Oil—
(no name) 8 547130Active Oil—
(no name) 2 547129Active Oil—
(no name) 1 547125Active Oil & gas—
(no name) 4 547122Active Oil—
(no name) 8 547119Active Oil—
(no name) 8A 547109Permitted Unknown—
(no name) 4 547106Active Oil—
(no name) 1 547101Active Oil—
(no name) 8 545903Active Gas—

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