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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) 547444Permitted Unknown—
(no name) 3 548617Active Oil—
(no name) 1 548619Active Oil—
(no name) 2 548631Active Oil—
(no name) 2 547353Active Oil—
(no name) 7 548636Active Oil—
(no name) 2 548637Active Oil—
(no name) 4 548650Permitted Unknown—
(no name) 2 548653Active Oil—
(no name) 2 548656Active Oil—
(no name) 6 548661Active Oil—
(no name) 1 548664Permitted Unknown—
(no name) 1 547343Permitted Unknown—
(no name) 42-059-36926Permitted Unknown—
(no name) 547337Permitted Unknown—
(no name) 547335Permitted Unknown—
(no name) 3B 547332Permitted Unknown—
(no name) 4 547331Permitted Unknown—
(no name) 1A 547329Active Oil—
(no name) 2 547328Active Oil—
(no name) 1B 547326Permitted Unknown—
(no name) 547319Permitted Unknown—
(no name) 10 547318Permitted Unknown—
(no name) 547316Active Oil—
(no name) 1 546141Permitted Unknown—
(no name) 5 546117Permitted Unknown—
(no name) 3 545114Permitted Unknown—
(no name) 545112Active Oil—
(no name) 2 545111Permitted Unknown—
(no name) 3 545109Active Oil—
(no name) 1 545100Active Oil—
(no name) 2 545098Permitted Unknown—
(no name) 1 545096Active Oil—
(no name) 7A 545095Active Oil—
(no name) 2 545066Active Oil—
(no name) 545065Active Oil—
(no name) 5 545058Active Oil—
(no name) 42-059-34363Permitted Unknown—
(no name) 11 544169Permitted Unknown—
(no name) 3 542481Permitted Unknown—
(no name) 5 42-059-82995Permitted Unknown—
(no name) 544160Active Oil & gas—
(no name) 28 542495Permitted Unknown—
(no name) 29 542497Permitted Unknown—
(no name) 542521Active Oil—
(no name) 542524Active Oil—
(no name) 2A 542531Permitted Unknown—
(no name) 15 544153Permitted Unknown—
(no name) 5 544259Active Oil—
(no name) 42-059-36065Permitted Unknown—
(no name) 1 544274Permitted Unknown—
(no name) 544280Active Oil—
(no name) 544298Active Oil—
(no name) 544304Active Oil—
(no name) 545190Active Oil—
(no name) 9 545193Permitted Unknown—
(no name) 1C 545197Permitted Unknown—
(no name) 545202Active Oil—
(no name) 545203Active Oil—
(no name) 545205Active Oil—
(no name) 22 545209Permitted Unknown—
(no name) 545211Active Oil—
(no name) 545225Active Oil—
(no name) 545227Active Oil—
(no name) 545229Active Gas—
(no name) 11 544150Active Oil—
(no name) 6 546223Active Oil—
(no name) 13 544146Permitted Unknown—
(no name) 10 544143Active Oil—
(no name) 45 544138Active Oil—
(no name) 1 546264Permitted Unknown—
(no name) 42-059-36778Permitted Unknown—
(no name) 547510Active Gas—
(no name) 1 548753Permitted Unknown—
(no name) 42-059-36794Permitted Unknown—
(no name) 3 548766Active Oil—
(no name) 1 548776Active Oil—
(no name) 542382Active Oil—
(no name) 542380Active Oil—
(no name) 42-059-36948Permitted Unknown—
(no name) 542553Active Oil—
(no name) 4 542554Active Oil—
(no name) 2 542568Active Oil—
(no name) 5 542569Permitted Unknown—
(no name) 542571Active Oil—
(no name) 3 542597Active Oil—
(no name) 544327Permitted Unknown—
(no name) 49 544350Active Oil—
(no name) 544351Active Oil—
(no name) 7 544355Active Oil—
(no name) 544356Active Oil—
(no name) 544358Active Oil—
(no name) 544360Permitted Unknown—
(no name) 544361Active Oil—
(no name) 544363Active Oil—
(no name) 544364Active Oil—
(no name) 544366Active Oil—
(no name) 2 545232Active Oil—
(no name) 545233Active Oil—
(no name) 545236Active Oil—

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