RANGER Field Activity and Well Summary

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Total wells

18
RANGER field

Drill activity

—
drill dates not in our copy of this source

The RANGER oil & gas field in Colorado contains 18 wells on file.

Top operators: ALLISON DRILLING COMPANY INC, INVESTMENT EQUIPMENT LLC, and others.

Most recent well: SCHMALE, operated by ALLISON DRILLING COMPANY INC — last updated March 2026.

RANGER field coverage

Counties the RANGER 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 — 1 wellsMorgan 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 — 17 wellsDouglas CountyConejos CountyEl Paso CountyKiowa CountyTeller CountyGunnison CountyBaca CountyElbert CountyMesa CountyDolores CountyArapahoe CountyLas Animas CountyGrand County
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Recent wells

Well Name County Last activity Updates Operator API
SCHMALE Washington 2026-03-18 ALLISON DRILLING COMPANY INC 05-121-05408
WENTWORTH T DAVIS Washington 2026-03-18 UNION TEXAS PETROLEUM 05-121-05444
DAVIS W T Washington 2026-03-18 VISUAL OPTICS INC 05-121-05404
SCHMALE Washington 2026-03-18 ALLISON DRILLING COMPANY INC 05-121-05446
SCHMALE Washington 2026-03-18 ALLISON DRILLING COMPANY INC 05-121-05346
JOHN E R RUHAAK Washington 2026-03-18 STUARCO OIL CO INC 05-121-05475
WENTWORTH T DAVIS Washington 2026-03-18 UNION TEXAS PETROLEUM 05-121-05349
OSIRIS Washington 2026-03-18 WARD & SON* ALFRED 05-121-10615
ROY E VAUGHN ET AL Washington 2026-03-18 STUARCO OIL CO INC 05-121-05374
SCHMALE Washington 2026-03-18 ALLISON DRILLING COMPANY INC 05-121-05371

Top Operators in the RANGER field by total wells

ALLISON DRILLING COMPANY INC4INVESTMENT EQUIPMENT LLC3STUARCO OIL CO INC2EAGLE OPERATING INC2UNION TEXAS PETROLEUM2OHMART JR* WALTER A1WESCO OPERATING INC1VISUAL OPTICS INC1WARD & SON* ALFRED1OLD OPERATORS - STATUS UNKNOWN1

Operators: Allison Drilling Company Inc, Investment Equipment Llc, Stuarco Oil Co Inc, Eagle Operating Inc, Union Texas Petroleum, Ohmart Jr* Walter A, Wesco Operating Inc, Visual Optics Inc, Ward & Son* Alfred, Old Operators - Status Unknown.

Counties Intersected by the RANGER field

Washington17Rio Blanco1
Washington
Rio Blanco

Other Major Fields in Colorado most active by total wells

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