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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) 38 42-059-83003Permitted Unknown—
(no name) 545018Active Oil—
(no name) 545017Active Oil—
(no name) 545015Active Oil—
(no name) 545014Active Oil—
(no name) 545012Active Oil—
(no name) 15 545002Active Oil—
(no name) 12 544118Permitted Unknown—
(no name) 1A 544101Permitted Unknown—
(no name) 1 544086Permitted Unknown—
(no name) 1 542344Permitted Unknown—
(no name) 2 542337Active Oil—
(no name) 542320Active Oil—
(no name) 542310Active Oil—
(no name) 542309Active Oil—
(no name) 1 542652Permitted Unknown—
(no name) 542655Active Oil—
(no name) 542657Active Oil—
(no name) 2 542660Permitted Unknown—
(no name) 542665Active Oil—
(no name) 542692Active Oil & gas—
(no name) 42-059-33676Permitted Unknown—
(no name) 2 544428Active Oil—
(no name) 544430Permitted Unknown—
(no name) 3 544433Permitted Unknown—
(no name) 544449Active Oil—
(no name) 42-059-34335Permitted Unknown—
(no name) 1W1 544452Active Oil—
(no name) 544454Active Oil—
(no name) 544456Active Oil—
(no name) 2B 544478Active Oil—
(no name) 544480Active Oil—
(no name) 544481Active Oil—
(no name) 542302Active Oil—
(no name) 545389Permitted Unknown—
(no name) 542300Permitted Unknown—
(no name) 4 545407Permitted Unknown—
(no name) 1 542297Permitted Unknown—
(no name) 11 545416Permitted Unknown—
(no name) 545417Active Oil—
(no name) 1 545446Permitted Unknown—
(no name) 8 545452Active Oil—
(no name) 1 546408Permitted Unknown—
(no name) 3 546412Active Oil—
(no name) 42-059-36897Permitted Unknown—
(no name) 21 546457Active Oil—
(no name) 50 546459Active Oil—
(no name) 1 547675Permitted Unknown—
(no name) 2 547696Active Gas—
(no name) 547701Active Gas—
(no name) 2 547706Active Gas—
(no name) 1 541686Permitted Unknown—
(no name) 1 542704Permitted Unknown—
(no name) 2 542705Permitted Unknown—
(no name) 542707Active Oil & gas—
(no name) 4 542709Active Oil—
(no name) 542726Active Oil & gas—
(no name) 2 542737Active Oil & gas—
(no name) 542740Active Oil—
(no name) 542742Active Oil—
(no name) 100 542750Active Oil—
(no name) 42-059-36690Permitted Unknown—
(no name) 544493Active Oil—
(no name) 544504Permitted Unknown—
(no name) 5 544507Permitted Unknown—
(no name) 8 544509Permitted Unknown—
(no name) 544510Active Oil—
(no name) 544512Active Oil—
(no name) 544515Active Oil—
(no name) 544530Permitted Unknown—
(no name) 1 544540Permitted Unknown—
(no name) 544542Active Oil—
(no name) 12 545454Permitted Unknown—
(no name) 2 545475Active Oil—
(no name) 1 545506Permitted Unknown—
(no name) 3 546723Active Oil—
(no name) 3 546728Active Oil—
(no name) 546732Active Oil—
(no name) 5 546760Active Oil—
(no name) 2 546761Active Oil—
(no name) 1 546771Active Oil—
(no name) 547717Active Gas—
(no name) 1A 547724Permitted Unknown—
(no name) 3 548231Active Oil—
(no name) 10 548229Active Oil—
(no name) 2 548210Active Gas—
(no name) 3 548198Permitted Unknown—
(no name) 1 547259Active Oil—
(no name) 547258Active Oil—
(no name) 13 42-059-20998Active Oil—
(no name) 1 547249Active Oil—
(no name) 10 547243Permitted Unknown—
(no name) 547227Active Gas—
(no name) 8 547211Active Oil—
(no name) 42-059-34333Permitted Unknown—
(no name) 3 542765Active Oil—
(no name) 3 542768Active Oil—
(no name) 2 542775Active Oil—
(no name) 542778Active Oil—
(no name) 7 542786Active Oil—

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