BLOCK 12 Field Activity and Well Summary

Back to Texas Well Records

Total wells

17
BLOCK 12 field

Last 60 days

0
wells drilled

Prior 60 days

1
to compare against

60-day trend

-1
vs prior 60d

The BLOCK 12 oil & gas field in Texas contains 17 wells on file.

Top operators: SANDRIDGE EXPL. AND PROD., LLC, BULLDOG OPERATING COMPANY, and others.

Most recent well: STATE OF TEXAS -V-, operated by OLSEN ENERGY INC. — last updated March 2026.

BLOCK 12 field coverage

Counties the BLOCK 12 field intersects.

Menard CountyHale CountyArmstrong CountyCalhoun CountyClay CountyOrange CountyGonzales CountyFannin CountyKerr CountyRefugio CountyJim Hogg CountyDimmit CountyNolan CountyBrazos CountyJefferson CountyBell CountyBandera CountyHidalgo CountySchleicher CountyGrayson CountyCrosby CountyDelta CountyZavala CountyRockwall CountyEastland CountyDeWitt CountyAngelina CountyMcLennan CountyLamar CountyLeon CountyStonewall CountyMcMullen CountySutton CountyFort Bend CountyParker CountyKinney CountyFayette CountyBriscoe CountyHarrison CountyReagan CountyColeman CountyOchiltree CountyCrane CountyWashington CountyLynn CountyMills CountyOldham CountySabine CountyHopkins CountyHouston CountyBexar CountyUpton CountyErath CountyRandall CountyRusk CountyCoryell CountyComal CountyAransas CountyJack CountyHemphill CountyShackelford CountySan Jacinto CountyKendall CountyWharton CountyFloyd CountyKarnes CountyKaufman CountyDuval CountyJohnson CountyFranklin CountyEdwards CountyWaller CountyMaverick CountyKleberg CountyGaines CountyMartin CountyBowie CountyAndrews — 17 wellsPotter CountyGarza CountyCaldwell CountyParmer CountyTitus CountyTerry CountyFoard CountyReal CountyCarson CountyKnox CountyHays CountyMedina CountyMotley CountyWichita CountyMidland CountyVictoria CountyTyler CountyFalls CountyPresidio CountyWillacy CountyLubbock CountyHenderson CountyWalker CountyGalveston CountyHarris CountyDawson CountyPecos CountyNacogdoches CountyGuadalupe CountyTarrant CountyJackson CountySwisher CountySterling CountyWinkler CountyFrio CountyLipscomb CountyCollingsworth CountyColorado CountyWise CountyGlasscock CountyShelby CountyComanche CountyBurnet CountyGray CountyHudspeth CountyCass CountyEllis CountyCooke CountyWilliamson CountyCochran CountyVan Zandt CountyDonley CountyJones CountyGrimes CountyIrion CountyNavarro CountyBrooks CountyDallam CountyHunt CountyMitchell CountyWood CountyChildress CountyJeff Davis CountyMontague CountyBrown CountyHaskell CountyFisher CountyConcho CountyCoke CountyPolk CountyCottle CountyYoung CountyLee CountyCherokee CountyHall CountyHood CountyArcher CountyBaylor CountySan Augustine CountyMadison CountyMilam CountyReeves CountyNueces CountyCamp CountyFreestone CountyRunnels CountyTerrell CountyDeaf Smith CountyMarion CountyLiberty CountyJasper CountyHansford CountyChambers CountyHardin CountyCollin CountyBrazoria CountyThrockmorton CountyBastrop CountyScurry CountyEctor CountyLimestone CountyDenton CountyRed River CountyMatagorda CountyHardeman CountyPalo Pinto CountyLive Oak CountySherman CountyUvalde CountyBailey CountyCulberson CountyAtascosa CountyWilson CountyStarr CountyDallas CountyKimble CountyMcCulloch CountyCrockett CountyHill CountyKent CountyEl Paso CountyLoving CountyDickens CountyLa Salle CountyLamb CountyAustin CountyHutchinson CountyVal Verde CountySmith CountyRobertson CountyGillespie CountyKing CountyTom Green CountyYoakum CountySomervell CountyKenedy CountyBorden CountySan Saba CountyBurleson CountyBee CountyTrinity CountyCastro CountyBrewster CountyGregg CountyWard CountyWilbarger CountyHamilton CountyStephens CountyLavaca CountyBosque CountyGoliad CountyRoberts CountyCallahan CountyRains CountyMorris CountyLampasas CountyUpshur CountyWheeler CountySan Patricio CountyMoore CountyWebb CountyBlanco CountyNewton CountyHockley CountyPanola CountyAnderson CountyCameron CountyMontgomery CountyLlano CountyMason CountyTaylor CountyHartley CountyJim Wells CountyZapata CountyTravis CountyHoward County
< 1717+17+17+17+

Recent wells

Well Name County Last activity Updates Operator API
STATE OF TEXAS -V- Andrews 2026-03-25 OLSEN ENERGY INC. 00341044
UNIVERSITY 12-25 Andrews 2022-08-01 3 not found 00343416
UNIVERSITY 12-36 Andrews 2020-12-03 5 WHITE ROCK OIL & GAS, LLC 00342727
UNIVERSITY 12-36 Andrews 2020-12-03 5 WHITE ROCK OIL & GAS, LLC 00340830
UNIVERSITY 12-10 Andrews 2020-08-31 4 WHITE ROCK OIL & GAS, LLC 00343799
UNIVERSITY 12-22 Andrews 2020-05-03 2 WHITE ROCK OIL & GAS, LLC 00341308
UNIVERSITY 27 Andrews 2020-03-31 4 CHOLLA PETROLEUM, INC. 00341837
UNIVERSITY 12-F Andrews 2017-08-09 3 SHERIDAN PRODUCTION COMPANY, LLC 00306572
QUANTUM SWD Andrews 2015-10-14 3 ELK RIVER RESOURCES, LLC 00344872
SAGE Andrews 2014-02-04 BULLDOG OPERATING COMPANY 00344260

Top Operators in the BLOCK 12 field by total wells

SANDRIDGE EXPL. AND PROD., LLC6BULLDOG OPERATING COMPANY5WHITE ROCK OIL & GAS, LLC4DEVON ENERGY PRODUCTION CO, L.P.3OLSEN ENERGY INC.1SAMSON LONE STAR, LLC1SHERIDAN PRODUCTION COMPANY, LLC1ELK RIVER RESOURCES, LLC1BROWNING OIL COMPANY, INC.1CHOLLA PETROLEUM, INC.1

Operators: Sandridge Expl. And Prod., Llc, Bulldog Operating Company, White Rock Oil & Gas, Llc, Devon Energy Production Co, L.p., Olsen Energy Inc., Samson Lone Star, Llc, Sheridan Production Company, Llc, Elk River Resources, Llc, Browning Oil Company, Inc., Cholla Petroleum, Inc..

Counties Intersected by the BLOCK 12 field

Andrews17
Andrews

Other Major Fields in Texas most active by total wells

Compare the BLOCK 12 field against the other busiest oil and gas fields in Texas: