MARKS BUTTE Field Activity and Well Summary

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Total wells

6
MARKS BUTTE field

Drill activity

—
drill dates not in our copy of this source

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

Top operators: GRAHAM-MICHAELIS DRILLING CO, JOHNSON* E LYLE, and others.

Most recent well: DONALDSON, operated by GRAHAM-MICHAELIS DRILLING CO — last updated March 2026.

MARKS BUTTE field coverage

Counties the MARKS BUTTE field intersects.

Saguache CountySedgwick — 6 wellsCheyenne 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 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
DONALDSON Sedgwick 2026-03-18 GRAHAM-MICHAELIS DRILLING CO 05-115-05015
FRANSON Sedgwick 2026-03-18 JOHNSON* E LYLE 05-115-05121
STATE Sedgwick 2026-03-18 GRAHAM-MICHAELIS DRILLING CO 05-115-05014
PRICE Sedgwick 2003-08-12 PCR OPERATING LLC 05-115-06056
DONALDSON Sedgwick 1999-01-01 PCR OPERATING LLC 05-115-06038
MADDOX Sedgwick 1972-02-17 JOHNSON* E LYLE 05-115-06008

Top Operators in the MARKS BUTTE field by total wells

GRAHAM-MICHAELIS DRILLING CO2JOHNSON* E LYLE2PCR OPERATING LLC2

Operators: Graham-Michaelis Drilling Co, Johnson* E Lyle, Pcr Operating Llc.

Counties Intersected by the MARKS BUTTE field

Sedgwick6
Sedgwick

Other Major Fields in Colorado most active by total wells

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