ARAPAHOE Field Activity and Well Summary

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Total wells

200
ARAPAHOE field

Drill activity

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drill dates not in our copy of this source

The ARAPAHOE oil & gas field in Colorado contains 200 wells on file.

Top operators: MULL DRILLING COMPANY INC, CITATION OIL & GAS CORP, and others.

Most recent well: COOK 32-35, operated by ANADARKO E&P ONSHORE LLC — last updated March 2026.

ARAPAHOE field coverage

Counties the ARAPAHOE field intersects.

Saguache CountySedgwick CountyCheyenne — 200 wellsCuster 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
< 200200+200+200+200+

Recent wells

Well Name County Last activity Updates Operator API
COOK 32-35 Cheyenne 2026-03-18 ANADARKO E&P ONSHORE LLC 05-017-06722
SIMPSON 22E-19 Cheyenne 2026-03-18 ANADARKO E&P ONSHORE LLC 05-017-06727
FUNK Cheyenne 2026-03-18 MEDALLION PETROLEUM INC 05-017-06666
DAVIS-BAUGHMAN Cheyenne 2026-03-18 MEDALLION PETROLEUM INC 05-017-06731
ALIG Cheyenne 2026-03-18 MEDALLION PETROLEUM INC 05-017-06833
ARAPAHOE UNIT Cheyenne 2026-03-18 ANADARKO E&P ONSHORE LLC 05-017-07455
ALIG Cheyenne 2026-03-18 MEDALLION PETROLEUM INC 05-017-06836
ALIG Cheyenne 2026-03-18 MEDALLION PETROLEUM INC 05-017-06835
ALIG Cheyenne 2026-03-18 MEDALLION PETROLEUM INC 05-017-06834
KNOLL Cheyenne 2026-03-18 MEDALLION PETROLEUM INC 05-017-06667

Top Operators in the ARAPAHOE field by total wells

MULL DRILLING COMPANY INC62CITATION OIL & GAS CORP54ANADARKO E&P ONSHORE LLC45MEDALLION PETROLEUM INC10TXO PRODUCTION CORP7LOEB LLC* HERMAN L6HALDE OIL INC5MARATHON OIL COMPANY3TEXAS OIL & GAS CORP2WIEPKING-FULLERTON ENERGY LLC1

Operators: Mull Drilling Company Inc, Citation Oil & Gas Corp, Anadarko E&p Onshore Llc, Medallion Petroleum Inc, Txo Production Corp, Loeb Llc* Herman L, Halde Oil Inc, Marathon Oil Company, Texas Oil & Gas Corp, Wiepking-Fullerton Energy Llc.

Counties Intersected by the ARAPAHOE field

Cheyenne200
Cheyenne

Other Major Fields in Colorado most active by total wells

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