HARLECH Field Activity and Well Summary

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Total wells

33
HARLECH field

Drill activity

—
drill dates not in our copy of this source

The HARLECH oil & gas field in Colorado contains 33 wells on file.

Top operators: NOBLE ENERGY INC, PDC ENERGY INC, and others.

Most recent well: EHRLICH-FA, operated by ST JAMES ENERGY OPERATING INC — last updated March 2026.

HARLECH field coverage

Counties the HARLECH 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 — 33 wellsLarimer 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
EHRLICH-FA Weld 2026-03-18 ST JAMES ENERGY OPERATING INC 05-123-12302
COCKROFT USX A Weld 2026-03-18 NOBLE ENERGY INC 05-123-29651
HEIDENREICH Weld 2026-03-18 SIMMONS ENERGY CORP 05-123-07155
COCKROFT Weld 2026-03-18 NOBLE ENERGY INC 05-123-23042
COCKROFT Weld 2026-03-18 BAYSWATER EXPLORATION & PRODUCTION LLC 05-123-29710
COCKROFT USX A Weld 2026-03-18 NOBLE ENERGY INC 05-123-29789
OWL CREEK Weld 2026-03-18 ST JAMES ENERGY OPERATING INC 05-123-11816
AURORA DAIRY Weld 2026-03-18 BAYSWATER EXPLORATION & PRODUCTION LLC 05-123-29043
HENDERSON-FA Weld 2026-03-18 ST JAMES ENERGY OPERATING INC 05-123-12303
OWL CREEK Weld 2026-03-18 ST JAMES ENERGY OPERATING INC 05-123-11815

Top Operators in the HARLECH field by total wells

NOBLE ENERGY INC12PDC ENERGY INC9BAYSWATER EXPLORATION & PRODUCTION LLC6ST JAMES ENERGY OPERATING INC4PETRO-CANADA RESOURCES (USA) INC1SIMMONS ENERGY CORP1

Operators: Noble Energy Inc, Pdc Energy Inc, Bayswater Exploration & Production Llc, St James Energy Operating Inc, Petro-Canada Resources (Usa) Inc, Simmons Energy Corp.

Counties Intersected by the HARLECH field

Weld33
Weld

Other Major Fields in Colorado most active by total wells

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