MENDOTA, NW. (GRANITE WASH) Field Activity and Well Summary

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Total wells

196
MENDOTA, NW. (GRANITE WASH) field

Drill activity

—
drill dates not in our copy of this source

The MENDOTA, NW. (GRANITE WASH) oil & gas field in Texas contains 196 wells on file.

Top operators: UNIT PETROLEUM COMPANY, MEWBOURNE OIL COMPANY, and others.

Most recent well: VOLLMERT -B-, operated by UNIT PETROLEUM COMPANY — last updated October 2025.

MENDOTA, NW. (GRANITE WASH) field coverage

Counties the MENDOTA, NW. (GRANITE WASH) 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 — 70 wellsShackelford 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 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 — 126 wellsCallahan 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
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Recent wells

Well Name County Last activity Updates Operator API
VOLLMERT -B- Roberts 2025-10-29 2 UNIT PETROLEUM COMPANY 39380255
VOLLMERT B Roberts 2025-10-17 2 UNIT PETROLEUM COMPANY 39332259
WATERFIELD B Roberts 2025-10-15 3 UNIT PETROLEUM COMPANY 39331808
PARSELL-PAYNE 161/162 A Roberts 2023-08-09 2 MEWBOURNE OIL COMPANY 39332761
MAHLER -A- Roberts 2023-07-28 2 BLACKBEARD OPERATING, LLC 39330882
LONG-CHAMBERS 173/174 A Roberts 2022-11-28 2 MEWBOURNE OIL COMPANY 39332751
WATERFIELD 112 Roberts 2022-11-17 3 UNIT PETROLEUM COMPANY 39332449
VOLLMERT, J. C. Roberts 2021-10-27 2 UNIT PETROLEUM COMPANY 39331941
FIELDS SWD Roberts 2020-07-15 3 OVERFLOW ENERGY, LLC 39332446
CHAMBERS, FRANK M. Roberts 2019-06-12 BP AMERICA PRODUCTION COMPANY 39330749

Top Operators in the MENDOTA, NW. (GRANITE WASH) field by total wells

UNIT PETROLEUM COMPANY84MEWBOURNE OIL COMPANY62BP AMERICA PRODUCTION COMPANY26JONES ENERGY, LTD.5CIMAREX ENERGY CO.4CHESAPEAKE OPERATING, INC.3DEVON ENERGY PRODUCTION CO, L.P.3SAMSON LONE STAR, LLC3CIMAREX ENERGY CO. OF COLORADO2LE NORMAN OPERATING LLC2

Operators: Unit Petroleum Company, Mewbourne Oil Company, Bp America Production Company, Jones Energy, Ltd., Cimarex Energy Co., Chesapeake Operating, Inc., Devon Energy Production Co, L.p., Samson Lone Star, Llc, Cimarex Energy Co. Of Colorado, Le Norman Operating Llc.

Counties Intersected by the MENDOTA, NW. (GRANITE WASH) field

Roberts126Hemphill70
Roberts
Hemphill

Other Major Fields in Texas most active by total wells

Compare the MENDOTA, NW. (GRANITE WASH) field against the other busiest oil and gas fields in Texas: