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COOK RANCH Field Activity and Well Summary

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Total wells

198
COOK RANCH field

Last 60 days

2
wells drilled

Prior 60 days

4
to compare against

60-day trend

-2
vs prior 60d

The COOK RANCH oil & gas field in Texas contains 198 wells on file.

Top operators: STASNEY WELL SERVICE, LLC, DH OPERATING, INC., and others.

Most recent well: COOK RANCH 60S, operated by STASNEY WELL SERVICE, LLC — last updated July 2026.

COOK RANCH field coverage

Counties the COOK RANCH 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 — 198 wellsSan Jacinto CountyKendall CountyWharton CountyFloyd CountyKarnes CountyKaufman CountyDuval CountyJohnson CountyFranklin CountyEdwards CountyWaller CountyMaverick CountyKleberg CountyGaines CountyMartin CountyBowie CountyAndrews CountyPotter 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
< 198198+198+198+198+

Recent wells

Well Name County Last activity Updates Operator API
COOK RANCH 60S Shackelford 2026-07-24 STASNEY WELL SERVICE, LLC 41739491
STASNEY RANCH 62 Shackelford 2026-07-17 4 STASNEY WELL SERVICE, LLC 41739673
STASNEY RANCH 62/63 Shackelford 2026-05-14 3 STASNEY WELL SERVICE, LLC 41739788
STASNEY 61 Shackelford 2026-05-01 2 STASNEY WELL SERVICE, LLC 41739820
STASNEY 61 Shackelford 2026-05-01 4 STASNEY WELL SERVICE, LLC 41739813
STASNEY RANCH 62/63 Shackelford 2026-03-13 2 STASNEY WELL SERVICE, LLC 41739819
COOK 62/83 Shackelford 2025-11-14 2 STASNEY WELL SERVICE, LLC 41701613
STASNEY 61 Shackelford 2025-10-15 4 STASNEY WELL SERVICE, LLC 41739817
STASNEY 61 Shackelford 2025-10-06 2 STASNEY WELL SERVICE, LLC 41739811
NAIL, J.H. 119 Shackelford 2025-09-24 2 TOLLETT OIL 41732656

Top Operators in the COOK RANCH field by total wells

STASNEY WELL SERVICE, LLC174DH OPERATING, INC.8STASNEY, H. R. & SONS, LTD.8SYNERGY OPERATING CO., LLC7TOLLETT OIL2

Operators: Stasney Well Service, Llc, Dh Operating, Inc., Stasney, H. R. & Sons, Ltd., Synergy Operating Co., Llc, Tollett Oil.

Counties Intersected by the COOK RANCH field

Shackelford198
Shackelford

Other Major Fields in Texas most active by total wells

Compare the COOK RANCH field against the other busiest oil and gas fields in Texas:

  • Spraberry (Trend Area) · 33,764 wells
  • Spraberry (Trend Area) · 10,182 wells
  • Eagleville (Eagle Ford-1) · 10,035 wells
  • Phantom (Wolfcamp) · 9,160 wells
  • Newark, East (Barnett Shale) · 8,401 wells
  • Eagleville (Eagle Ford-2) · 7,289 wells
  • Briscoe Ranch (Eagleford) · 6,865 wells
  • Wasson · 3,113 wells
  • Fuhrman-Mascho · 2,519 wells
  • Carthage (Haynesville Shale) · 2,284 wells

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