CHIEFTAIN Field Activity and Well Summary

Back to Colorado Well Records

Total wells

64
CHIEFTAIN field

Drill activity

—
drill dates not in our copy of this source

The CHIEFTAIN oil & gas field in Colorado contains 64 wells on file.

Top operators: PDC ENERGY INC, PAINTED PEGASUS PETROLEUM LLC, and others.

Most recent well: ANTELOPE FARMS, operated by ROCKY MOUNTAIN PROD CO — last updated March 2026.

CHIEFTAIN field coverage

Counties the CHIEFTAIN 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 — 64 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
< 6464+64+64+64+

Recent wells

Well Name County Last activity Updates Operator API
ANTELOPE FARMS Adams 2026-03-18 ROCKY MOUNTAIN PROD CO 05-001-08758
WAILES Adams 2026-03-18 PDC ENERGY INC 05-001-09580
DAVIS Adams 2026-03-18 SANDLIN OIL CORP 05-001-08003
WAILES Adams 2026-03-18 OXOCO INC 05-001-07325
WAILES Adams 2026-03-18 PDC ENERGY INC 05-001-09581
UPV Adams 2026-03-18 SNYDER OIL CORP 05-001-09266
STATE AE Adams 2005-05-27 SANDLIN OIL CORP 05-001-09537
CHRIS WAILES Adams 1999-01-01 FRITZLER RESOURCES INC 05-001-06879
CHAMPLIN 67 AMOCO C Adams 1999-01-01 PDC ENERGY INC 05-001-06991
VETTER Adams 1999-01-01 PDC ENERGY INC 05-001-06624

Top Operators in the CHIEFTAIN field by total wells

PDC ENERGY INC14PAINTED PEGASUS PETROLEUM LLC8SANDLIN OIL CORP7PETROSHARE CORPORATION5FRITZLER RESOURCES INC4QUALLS OPERATING* R C4RENEGADE OIL & GAS COMPANY LLC4SNYDER OIL CORP3CHAMPLIN PETROLEUM COMPANY2FOUNDATION ENERGY MANAGEMENT LLC2

Operators: Pdc Energy Inc, Painted Pegasus Petroleum Llc, Sandlin Oil Corp, Petroshare Corporation, Fritzler Resources Inc, Qualls Operating* R C, Renegade Oil & Gas Company Llc, Snyder Oil Corp, Champlin Petroleum Company, Foundation Energy Management Llc.

Counties Intersected by the CHIEFTAIN field

Adams64
Adams

Other Major Fields in Colorado most active by total wells

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