KEYSTONE Field Activity and Well Summary

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Total wells

6
KEYSTONE field

Drill activity

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drill dates not in our copy of this source

The KEYSTONE oil & gas field in Colorado contains 6 wells on file.

Top operators: CRAMER* J.L., OKMAR OIL CO, and others.

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

KEYSTONE field coverage

Counties the KEYSTONE 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 — 6 wellsMineral 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 CountyGrand County
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Recent wells

Well Name County Last activity Updates Operator API
DINNSEN Adams 2026-03-18 CRAMER* J.L. 05-001-06027
WYKOFF Adams 2026-03-18 CRAMER* J.L. 05-001-06035
WYKOFF Adams 2026-03-18 ZEXCO LTD 05-001-05655
WYKOFF Adams 2026-03-18 CRAMER* J.L. 05-001-06020
CAUSEY Adams 2026-03-18 OKMAR OIL CO 05-001-06024
WYKOFF Adams 1975-08-05 SOLAR PETROLEUM INC 05-001-07070

Top Operators in the KEYSTONE field by total wells

CRAMER* J.L.3OKMAR OIL CO1SOLAR PETROLEUM INC1ZEXCO LTD1

Operators: Cramer* J.l., Okmar Oil Co, Solar Petroleum Inc, Zexco Ltd.

Counties Intersected by the KEYSTONE field

Adams6
Adams

Other Major Fields in Colorado most active by total wells

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