HALLEY, SOUTH (QUEEN SAND) Field Activity and Well Summary

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Total wells

5
HALLEY, SOUTH (QUEEN SAND) field

Last 60 days

2
wells drilled

Prior 60 days

0
to compare against

60-day trend

+2
vs prior 60d

The HALLEY, SOUTH (QUEEN SAND) oil & gas field in Texas contains 5 wells on file.

Top operators: SEGURO OIL AND GAS, LLC, ENDEAVOR ENERGY RESOURCES L.P., and others.

Most recent well: HILL, M. J., ESTATE, ACCOUNT # 5, operated by HILCORP ENERGY COMPANY — last updated July 2026.

HALLEY, SOUTH (QUEEN SAND) field coverage

Counties the HALLEY, SOUTH (QUEEN SAND) 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 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 — 5 wellsFrio 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
< 55+5+5+5+

Recent wells

Well Name County Last activity Updates Operator API
HILL, M. J., ESTATE, ACCOUNT # 5 Winkler 2026-07-10 2 HILCORP ENERGY COMPANY 49531294
SMITH, SEALY, -B- Winkler 2025-10-08 4 SOUTHERN OPERATING, LLC 49504357
MITCHELL, G. P., -B- Winkler 2021-08-13 OAK PRAIRIE OPERATIONS, LLC 49531839
SMITH, SEALY, -B- Winkler 2017-03-10 2 SEGURO OIL AND GAS, LLC 49504358
MITCHELL, G. P., -B- Winkler 2015-08-17 2 ENDEAVOR ENERGY RESOURCES L.P. 49531843

Top Operators in the HALLEY, SOUTH (QUEEN SAND) field by total wells

SEGURO OIL AND GAS, LLC2ENDEAVOR ENERGY RESOURCES L.P.1HILCORP ENERGY COMPANY1OAK PRAIRIE OPERATIONS, LLC1SOUTHERN OPERATING, LLC1

Operators: Seguro Oil And Gas, Llc, Endeavor Energy Resources L.p., Hilcorp Energy Company, Oak Prairie Operations, Llc, Southern Operating, Llc.

Counties Intersected by the HALLEY, SOUTH (QUEEN SAND) field

Winkler5
Winkler

Other Major Fields in Texas most active by total wells

Compare the HALLEY, SOUTH (QUEEN SAND) field against the other busiest oil and gas fields in Texas: