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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) 2 546658Permitted Unknown—
(no name) 1 546665Active Oil—
(no name) 7 543409Active Oil—
(no name) 4 546472Permitted Unknown—
(no name) 42-059-36555Permitted Unknown—
(no name) 57 546477Active Oil—
(no name) 2 546479Permitted Unknown—
(no name) 1 546682Active Oil—
(no name) 546685Active Gas—
(no name) 1 546689Active Oil—
(no name) 1 546700Permitted Unknown—
(no name) 11 546705Active Oil—
(no name) 543383Active Oil—
(no name) 12 546506Active Oil—
(no name) 42-059-36898Permitted Unknown—
(no name) 22 546513Active Oil—
(no name) 10 546514Active Oil—
(no name) 1 546254Permitted Unknown—
(no name) 1 541875Permitted Unknown—
(no name) 2 546830Active Oil—
(no name) 547424Active Oil—
(no name) 5 547437Active Oil—
(no name) 1 547432Active Oil—
(no name) 547434Active Oil—
(no name) 15 546826Active Oil—
(no name) 4 546827Active Oil—
(no name) 4 548658Active Oil—
(no name) 42-059-35506Permitted Unknown—
(no name) 42-059-34602Permitted Unknown—
(no name) 542267Active Oil—
(no name) 2B 542264Active Oil—
(no name) 1 542259Permitted Unknown—
(no name) 4 548711Active Oil—
(no name) 42-059-37138Permitted Unknown—
(no name) 42-059-37167Permitted Unknown—
(no name) 42-059-37166Permitted Unknown—
(no name) 42-059-37180Permitted Unknown—
(no name) 42-059-37137Permitted Unknown—
(no name) 2 634158Active Oil—
(no name) 42-059-36820Permitted Unknown—
(no name) 42-059-36830Permitted Unknown—
(no name) 634169Active Oil—
(no name) 5 635275Active Oil—
(no name) 6 635276Active Oil—
(no name) 4 635285Active Oil—
(no name) 3 635287Active Oil—
(no name) 1 635294Active Oil—
(no name) 3 635297Active Oil—
(no name) 5 635299Active Oil—
(no name) 1 635302Permitted Unknown—
(no name) 42-059-35252Permitted Unknown—
(no name) 3 635307Active Oil—
(no name) 4 635310Active Oil—
(no name) 2 635313Active Oil—
(no name) 2 635315Active Oil—
(no name) 42-059-35732Permitted Unknown—
(no name) 4 634170Active Oil—
(no name) 634172Permitted Unknown—
(no name) 634174Active Oil—
(no name) 3 634185Permitted Unknown—
(no name) 634187Active Oil—
(no name) 1 634189Active Oil—
(no name) 634192Active Oil—
(no name) 9 634194Permitted Unknown—
(no name) 1 636266Active Oil—
(no name) 2 636260Permitted Unknown—
(no name) 4 635318Active Oil—
(no name) 1 635320Active Oil—
(no name) 2 635321Active Oil—
(no name) 635324Active Oil—
(no name) 3 635339Permitted Unknown—
(no name) 3 635342Active Oil—
(no name) 12 635344Active Oil—
(no name) 1C 635347Active Oil—
(no name) 1B 635352Active Oil—
(no name) 5 636257Permitted Unknown—
(no name) 4 634197Active Oil—
(no name) 1 634199Active Oil—
(no name) 42-059-36528Permitted Unknown—
(no name) 1 634203Active Oil—
(no name) 1 634205Active Oil—
(no name) 5 634206Active Oil—
(no name) 1 634223Active Oil—
(no name) 2 634225Permitted Unknown—
(no name) 634228Active Oil—
(no name) 634230Active Oil—
(no name) 2 634233Active Oil—
(no name) 1 637754Permitted Unknown—
(no name) 42-059-35752Permitted Unknown—
(no name) 4 636252Permitted Unknown—
(no name) 42-059-35965Permitted Unknown—
(no name) 1 634240Active Oil—
(no name) 634241Active Oil—
(no name) 5 634246Permitted Unknown—
(no name) 3 634250Active Oil—
(no name) 2 634253Active Oil—
(no name) 1 634256Active Oil—
(no name) 1 634258Active Oil—
(no name) 634264Active Oil—
(no name) 8 634267Active Oil—

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