RAGO Field Activity and Well Summary

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Total wells

19
RAGO field

Drill activity

—
drill dates not in our copy of this source

The RAGO oil & gas field in Colorado contains 19 wells on file.

Top operators: HOSS* ROBERT L, AMERADA PETROLEUM CORPORATION, and others.

Most recent well: BLAKE, operated by CRAMER* J.L. — last updated March 2026.

RAGO field coverage

Counties the RAGO 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 CountyDelta 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 — 19 wellsDouglas CountyConejos CountyEl Paso CountyKiowa CountyTeller CountyGunnison CountyBaca CountyElbert CountyMesa CountyDolores CountyArapahoe CountyLas Animas CountyGrand County
< 1919+19+19+19+

Recent wells

Well Name County Last activity Updates Operator API
BLAKE Washington 2026-03-18 CRAMER* J.L. 05-121-06590
ALEXANDER Washington 2026-03-18 HOSS* ROBERT L 05-121-06642
ZOLLARS Washington 2026-03-18 AMERADA PETROLEUM CORPORATION 05-121-06621
STARLIN, FLOYD Washington 2026-03-18 HOSS* ROBERT L 05-121-06665
ZOLLARS Washington 2026-03-18 ROCKY MOUNTAIN STANDARD, INC 05-121-06589
PERL BARNHOUSE Washington 2026-03-18 BANDER & COUCH 05-121-06582
ALEXANDER Washington 2026-03-18 HOSS* ROBERT L 05-121-06613
F VENRICK HEIRS Washington 2026-03-18 AMERADA PETROLEUM CORPORATION 05-121-06716
ALEXANDER Washington 2026-03-18 VAUGHEY & VAUGHEY 05-121-06597
W B ALEXANDER Washington 2026-03-18 VAUGHEY & VAUGHEY 05-121-06645

Top Operators in the RAGO field by total wells

HOSS* ROBERT L3AMERADA PETROLEUM CORPORATION2VAUGHEY & VAUGHEY2HIBBERT* ESTATE OF R E2CRAMER* J.L.1IMPETRO RESOURCES LLC1LYNX EXPLORATION CO1MONTERREY PETROLEUM CORP1ROCKY MOUNTAIN STANDARD, INC1ALLISON BROS DRILLING CO INC1

Operators: Hoss* Robert L, Amerada Petroleum Corporation, Vaughey & Vaughey, Hibbert* Estate Of R E, Cramer* J.l., Impetro Resources Llc, Lynx Exploration Co, Monterrey Petroleum Corp, Rocky Mountain Standard, Inc, Allison Bros Drilling Co Inc.

Counties Intersected by the RAGO field

Washington19
Washington

Other Major Fields in Colorado most active by total wells

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