DOLLEY Field Activity and Well Summary

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Total wells

9
DOLLEY field

Drill activity

—
drill dates not in our copy of this source

The DOLLEY oil & gas field in Colorado contains 9 wells on file.

Top operators: DIVERSIFIED OPERATING CORPORATION, LOMITA OPERATING COMPANY, and others.

Most recent well: BEHRING, operated by FINA OIL & CHEMICAL CO — last updated March 2026.

DOLLEY field coverage

Counties the DOLLEY 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 — 9 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
BEHRING Weld 2026-03-18 FINA OIL & CHEMICAL CO 05-123-15050
RIEKE Weld 2026-03-18 LOMITA OPERATING COMPANY 05-123-15633
FOSTER Weld 2026-03-18 LOMITA OPERATING COMPANY 05-123-15053
FURROW Weld 2026-03-18 DIVERSIFIED OPERATING CORPORATION 05-123-22617
BABB Weld 2010-09-19 DIVERSIFIED OPERATING CORPORATION 05-123-31834
FURROW Weld 2005-04-13 DIVERSIFIED OPERATING CORPORATION 05-123-22618
ESTHER Weld 2004-08-01 PETRO-CANADA RESOURCES (USA) INC 05-123-22241
CARLSON Weld 1999-01-01 SMITH ENERGY CORP 05-123-15054
RICHMOND Weld 1999-01-01 SMITH ENERGY CORP 05-123-15082

Top Operators in the DOLLEY field by total wells

DIVERSIFIED OPERATING CORPORATION3LOMITA OPERATING COMPANY2SMITH ENERGY CORP2FINA OIL & CHEMICAL CO1PETRO-CANADA RESOURCES (USA) INC1

Operators: Diversified Operating Corporation, Lomita Operating Company, Smith Energy Corp, Fina Oil & Chemical Co, Petro-Canada Resources (Usa) Inc.

Counties Intersected by the DOLLEY field

Weld9
Weld

Other Major Fields in Colorado most active by total wells

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