PURGATOIRE RIVER Field Activity and Well Summary

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Total wells

3,636
PURGATOIRE RIVER field

Drill activity

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drill dates not in our copy of this source

The PURGATOIRE RIVER oil & gas field in Colorado contains 3,636 wells on file.

Top operators: EVERGREEN NATURAL RESOURCES LLC, OGRIS OPERATING LLC, and others.

Most recent well: SINCLAIR, operated by PIONEER NATURAL RESOURCES USA INC — last updated March 2026.

PURGATOIRE RIVER field coverage

Counties the PURGATOIRE RIVER field intersects.

Saguache CountySedgwick CountyCheyenne CountyCuster CountyLa Plata CountySan Juan CountyPitkin CountyPark CountyAlamosa CountyProwers CountyMoffat CountyJefferson CountySummit CountyPueblo CountyBoulder CountyDenver CountyMontrose CountyEagle CountySan Miguel CountyCostilla CountyBroomfield CountyChaffee CountyCrowley CountyFremont CountyHuerfano — 92 wellsDelta CountyGarfield CountyRio Blanco CountyMorgan CountyLincoln CountyMontezuma CountyAdams CountyMineral CountyOtero CountyPhillips CountyOuray CountyBent CountyArchuleta CountyRoutt CountyHinsdale CountyWeld CountyLarimer CountyLake CountyRio Grande CountyGilpin CountyYuma CountyJackson CountyKit Carson CountyClear Creek CountyLogan CountyWashington CountyDouglas CountyConejos CountyEl Paso CountyKiowa CountyTeller CountyGunnison CountyBaca CountyElbert CountyMesa CountyDolores CountyArapahoe CountyLas Animas — 3,544 wellsGrand County
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Recent wells

Well Name County Last activity Updates Operator API
SINCLAIR Las Animas 2026-03-18 PIONEER NATURAL RESOURCES USA INC 05-071-09762
BROOKS Las Animas 2026-03-18 PIONEER NATURAL RESOURCES USA INC 05-071-09891
HOLE IN THE WALL Las Animas 2026-03-18 PIONEER NATURAL RESOURCES USA INC 05-071-09588
PHIPPS FEDERAL Las Animas 2026-03-18 PIONEER NATURAL RESOURCES USA INC 05-071-09621
NEW ELK Las Animas 2026-03-18 XTO ENERGY INC 05-071-09786
EMMAS DREAM Las Animas 2026-03-18 PIONEER NATURAL RESOURCES USA INC 05-071-09870
GOOSE NECK FEDERAL Las Animas 2026-03-18 PIONEER NATURAL RESOURCES USA INC 05-071-09467
APACHE CANYON Las Animas 2026-03-18 XTO ENERGY INC 05-071-09504
ALBERTSON Las Animas 2026-03-18 PIONEER NATURAL RESOURCES USA INC 05-071-08185
Chacon Las Animas 2026-03-18 PIONEER NATURAL RESOURCES USA INC 05-071-09365

Top Operators in the PURGATOIRE RIVER field by total wells

EVERGREEN NATURAL RESOURCES LLC2,492OGRIS OPERATING LLC531PIONEER NATURAL RESOURCES USA INC231WAPITI OPERATING LLC136PETROGLYPH OPERATING CO INC ADBA PETROGLYPH ENERGY55XTO ENERGY INC52RED RIVER RANCH HOLDINGS LLC51EVERGREEN OPERATING CORPORATION30TEP ROCKY MOUNTAIN LLC13CEDAR RIDGE LLC13

Operators: Evergreen Natural Resources Llc, Ogris Operating Llc, Pioneer Natural Resources Usa Inc, Wapiti Operating Llc, Petroglyph Operating Co Inc Adba Petroglyph Energy, Xto Energy Inc, Red River Ranch Holdings Llc, Evergreen Operating Corporation, Tep Rocky Mountain Llc, Cedar Ridge Llc.

Counties Intersected by the PURGATOIRE RIVER field

Las Animas3,544Huerfano92
Las Animas
Huerfano

Other Major Fields in Colorado most active by total wells

Compare the PURGATOIRE RIVER field against the other busiest oil and gas fields in Colorado: