SHAFTER LAKE (SAN ANDRES) Field Activity and Well Summary

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Total wells

231
SHAFTER LAKE (SAN ANDRES) field

Drill activity

—
drill dates not in our copy of this source

The SHAFTER LAKE (SAN ANDRES) oil & gas field in Texas contains 231 wells on file.

Top operators: RING ENERGY, INC., APACHE CORPORATION, and others.

Most recent well: DEEP ROCK 23, operated by ICA ENERGY OPERATING, L.L.C. — last updated January 2026.

SHAFTER LAKE (SAN ANDRES) field coverage

Counties the SHAFTER LAKE (SAN ANDRES) 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 — 231 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
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Recent wells

Well Name County Last activity Updates Operator API
DEEP ROCK 23 Andrews 2026-01-07 4 ICA ENERGY OPERATING, L.L.C. 00348819
UNIVERSITY BLOCK 14 CONS. Andrews 2025-08-19 2 RING ENERGY, INC. 00348075
DEEP ROCK ET AL -A- Andrews 2025-07-23 2 HIGHMARK ENERGY OPERATING, LLC 00332893
UNIVERSITY BLOCK 14 CONS. Andrews 2025-05-16 2 RING ENERGY, INC. 00348074
UNIVERSITY 14SR Andrews 2025-04-09 2 RING ENERGY, INC. 00348048
UNIVERSITY BLOCK 14 CONS. Andrews 2025-04-07 2 RING ENERGY, INC. 00348073
SAVAGE Andrews 2025-03-03 2 RING ENERGY, INC. 00348924
SAVAGE Andrews 2025-02-28 2 RING ENERGY, INC. 00348926
SAVAGE Andrews 2025-02-28 2 RING ENERGY, INC. 00348925
SHAFTER LAKE /SAN ANDRES/ UNIT Andrews 2025-01-23 2 APACHE CORPORATION 00302064

Top Operators in the SHAFTER LAKE (SAN ANDRES) field by total wells

RING ENERGY, INC.93APACHE CORPORATION50TREY RESOURCES INC.46PACESETTER ENERGY, LLC15ICA ENERGY OPERATING, L.L.C.9BLACKBEARD OPERATING, LLC5THREE RIVERS OPERATING CO LLC3YUCCA ENERGY, INC.2CUSTER & WRIGHT OPERATING, INC.2OXY USA WTP LP2

Operators: Ring Energy, Inc., Apache Corporation, Trey Resources Inc., Pacesetter Energy, Llc, Ica Energy Operating, L.l.c., Blackbeard Operating, Llc, Three Rivers Operating Co Llc, Yucca Energy, Inc., Custer & Wright Operating, Inc., Oxy Usa Wtp Lp.

Counties Intersected by the SHAFTER LAKE (SAN ANDRES) field

Andrews231
Andrews

Other Major Fields in Texas most active by total wells

Compare the SHAFTER LAKE (SAN ANDRES) field against the other busiest oil and gas fields in Texas: