MCCALLUM Field Activity and Well Summary

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Total wells

215
MCCALLUM field

Drill activity

—
drill dates not in our copy of this source

The MCCALLUM oil & gas field in Colorado contains 215 wells on file.

Top operators: KP KAUFFMAN COMPANY INC, NIELSON & ASSOCIATES, INC, and others.

Most recent well: NORTH PARK COAL CO, operated by COLORADO OIL & REFINING — last updated March 2026.

MCCALLUM field coverage

Counties the MCCALLUM 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 — 215 wellsKit 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
NORTH PARK COAL CO Jackson 2026-03-18 COLORADO OIL & REFINING 05-057-05056
MCCALLUM UNIT Jackson 2026-03-18 CONTINENTAL OIL COMPANY 05-057-05070
MCCALLUM UNIT Jackson 2026-03-18 NIELSON & ASSOCIATES, INC 05-057-05097
MCCALLUM Jackson 2026-03-18 NIELSON & ASSOCIATES, INC 05-057-06418
MCCALLUM UNIT Jackson 2026-03-18 CONOCO PHILLIPS COMPANY 05-057-60006
MCCALLUM UNIT Jackson 2026-03-18 CONTINENTAL OIL COMPANY 05-057-05072
MCCALLUM UNIT Jackson 2026-03-18 CONOCO INC 05-057-05066
MCCALLUM UNIT Jackson 2026-03-18 CONOCO PHILLIPS COMPANY 05-057-06345
MCCALLUM UNIT Jackson 2026-03-18 BONANZA CREEK ENERGY OPERATING COMPANY LLC 05-057-06456
MCCALLUM Jackson 2026-03-18 NIELSON & ASSOCIATES, INC 05-057-06421

Top Operators in the MCCALLUM field by total wells

KP KAUFFMAN COMPANY INC101NIELSON & ASSOCIATES, INC37BONANZA CREEK ENERGY OPERATING COMPANY LLC23CONOCO INC22CONTINENTAL OIL COMPANY19CONOCO PHILLIPS COMPANY9ROEMER OIL COMPANY1COLORADO OIL & REFINING1HELMERICH & PAYNE INC1MIDWEST OIL CORP1

Operators: Kp Kauffman Company Inc, Nielson & Associates, Inc, Bonanza Creek Energy Operating Company Llc, Conoco Inc, Continental Oil Company, Conoco Phillips Company, Roemer Oil Company, Colorado Oil & Refining, Helmerich & Payne Inc, Midwest Oil Corp.

Counties Intersected by the MCCALLUM field

Jackson215
Jackson

Other Major Fields in Colorado most active by total wells

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