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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) 3 590024Permitted Unknown—
(no name) 2 590023Active Oil—
(no name) 590019Permitted Unknown—
(no name) 14 590016Permitted Unknown—
(no name) 13 590008Active Oil—
(no name) 12 590047Active Oil—
(no name) 16 590028Permitted Unknown—
(no name) 42-059-34433Permitted Unknown—
(no name) 591002Active Oil—
(no name) 2 678190Permitted Unknown—
(no name) 7 543932Permitted Unknown—
(no name) 42-059-33654Permitted Unknown—
(no name) 1 678197Active Oil—
(no name) 11 544446Active Oil—
(no name) 589885Active Oil—
(no name) 6 589887Permitted Unknown—
(no name) 1D 589888Permitted Unknown—
(no name) 1 590102Permitted Unknown—
(no name) 1 589869Permitted Unknown—
(no name) 10 589872Permitted Unknown—
(no name) 13 589875Permitted Unknown—
(no name) 548291Active Oil—
(no name) 5 589879Permitted Unknown—
(no name) 1A 550377Permitted Unknown—
(no name) 2 595469Active Oil—
(no name) 1 678046Permitted Unknown—
(no name) 678019Active Oil—
(no name) 1 678207Permitted Unknown—
(no name) 11 546976Active Oil—
(no name) 2 678228Active Oil—
(no name) 2 678231Permitted Unknown—
(no name) 4 550059Permitted Unknown—
(no name) 1 550077Active Oil—
(no name) 1 543087Permitted Unknown—
(no name) 2 543091Active Oil—
(no name) 4 550044Permitted Unknown—
(no name) 590406Active Oil—
(no name) 678246Permitted Unknown—
(no name) 678361Active Oil—
(no name) 12 678000Active Oil—
(no name) 42-059-33692Permitted Unknown—
(no name) 6A 590212Active Oil—
(no name) 2 590271Active Oil—
(no name) 589685Active Oil & gas—
(no name) 590260Active Oil—
(no name) 2 590261Active Oil—
(no name) 2 677748Permitted Unknown—
(no name) 5 677750Active Oil—
(no name) 5 677752Permitted Unknown—
(no name) 3 677758Active Oil—
(no name) 42-059-36928Permitted Unknown—
(no name) 2 550104Active Oil—
(no name) 1 545910Permitted Unknown—
(no name) 10 545912Active Oil—
(no name) 42-059-36748Permitted Unknown—
(no name) 590341Active Oil & gas—
(no name) 677763Permitted Unknown—
(no name) 677765Active Oil—
(no name) 42-059-37114Permitted Unknown—
(no name) 5 677797Active Oil—
(no name) 3 677815Permitted Unknown—
(no name) 1 677816Permitted Unknown—
(no name) 1 677818Permitted Unknown—
(no name) 677819Active Oil—
(no name) 4 677821Active Oil—
(no name) 677974Permitted Unknown—
(no name) 1 677971Permitted Unknown—
(no name) 11 677967Permitted Unknown—
(no name) 1 677966Permitted Unknown—
(no name) 42-059-33693Permitted Unknown—
(no name) 42-059-33691Permitted Unknown—
(no name) 590429Active Oil—
(no name) 4 590439Permitted Unknown—
(no name) 5 590445Permitted Unknown—
(no name) 1 590301Permitted Unknown—
(no name) 2 677823Active Oil—
(no name) 3 677824Active Oil—
(no name) 10 677830Permitted Unknown—
(no name) 42-059-36955Permitted Unknown—
(no name) 1 677854Active Oil & gas—
(no name) 3 677855Active Oil—
(no name) 11 550121Active Oil—
(no name) 1 550128Permitted Unknown—
(no name) 1 550129Active Oil—
(no name) 547063Permitted Unknown—
(no name) 3 543779Active Oil—
(no name) 543763Active Oil—
(no name) 2B 543760Permitted Unknown—
(no name) 42-059-34465Permitted Unknown—
(no name) 6 543752Permitted Unknown—
(no name) 543380Active Oil—
(no name) 1 543379Active Oil—
(no name) 9 543375Active Oil—
(no name) 543336Active Oil—
(no name) 8 543335Active Oil—
(no name) 6 543319Permitted Unknown—
(no name) 543312Active Oil—
(no name) 543311Active Oil—
(no name) 2 42-059-06730Active Oil—
(no name) 543261Active Oil—

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