LARK Field Activity and Well Summary

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Total wells

7
LARK field

Drill activity

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drill dates not in our copy of this source

The LARK oil & gas field in Colorado contains 7 wells on file.

Top operators: NORTHWESTERN MINING & PETRO CO, BREW* R D, and others.

Most recent well: HEGARTY, operated by WHOMBLE BROTHERS — last updated March 2026.

LARK field coverage

Counties the LARK 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 — 7 wellsLincoln 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
HEGARTY Morgan 2026-03-18 WHOMBLE BROTHERS 05-087-05292
HEGARTY-LYBARGER Morgan 2026-03-18 NORTHWESTERN MINING & PETRO CO 05-087-05262
CARL Morgan 2026-03-18 BREW* R D 05-087-05265
JAMES HEGARTY Morgan 2026-03-18 MEGRA OIL COMPANY 05-087-05291
HEGARTY G Morgan 2026-03-18 HERNDON DRILLING CO 05-087-05276
ROSENER-JOHNSON Morgan 2026-03-18 NORTHWESTERN MINING & PETRO CO 05-087-05290
THOMAS Morgan 1982-07-06 WINSLOW RESOURCES INC 05-087-07600

Top Operators in the LARK field by total wells

NORTHWESTERN MINING & PETRO CO2BREW* R D1HERNDON DRILLING CO1MEGRA OIL COMPANY1WHOMBLE BROTHERS1WINSLOW RESOURCES INC1

Operators: Northwestern Mining & Petro Co, Brew* R D, Herndon Drilling Co, Megra Oil Company, Whomble Brothers, Winslow Resources Inc.

Counties Intersected by the LARK field

Morgan7
Morgan

Other Major Fields in Colorado most active by total wells

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