GRAND VALLEY Field Activity and Well Summary

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Total wells

6,168
GRAND VALLEY field

Drill activity

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drill dates not in our copy of this source

The GRAND VALLEY oil & gas field in Colorado contains 6,168 wells on file.

Top operators: TEP ROCKY MOUNTAIN LLC, CAERUS PICEANCE LLC, and others.

Most recent well: CHEVRON-MARATHON, operated by PDC ENERGY INC — last updated March 2026.

GRAND VALLEY field coverage

Counties the GRAND VALLEY 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 — 5,974 wellsRio Blanco — 90 wellsMorgan 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 — 104 wellsDolores CountyArapahoe CountyLas Animas CountyGrand County
< 9090+104+104+5,974+

Recent wells

Well Name County Last activity Updates Operator API
CHEVRON-MARATHON Garfield 2026-03-18 PDC ENERGY INC 05-045-14185
BERRY Garfield 2026-03-18 BERRY PETROLEUM COMPANY LLC 05-045-14641
Long Ridge Garfield 2026-03-18 BERRY PETROLEUM COMPANY LLC 05-045-13102
GRANLEE OM Garfield 2026-03-18 BERRY PETROLEUM COMPANY LLC 05-045-13255
PUCKETT Garfield 2026-03-18 PDC ENERGY INC 05-045-12587
BERRY Garfield 2026-03-18 BERRY PETROLEUM COMPANY LLC 05-045-14639
GRANLEE Garfield 2026-03-18 BERRY PETROLEUM COMPANY LLC 05-045-12885
CHEVRON Garfield 2026-03-18 BERRY PETROLEUM COMPANY LLC 05-045-12906
ENCANA Garfield 2026-03-18 ENCANA OIL & GAS (USA) INC 05-045-12362
N. PARACHUTE Garfield 2026-03-18 ENCANA OIL & GAS (USA) INC 05-045-14998

Top Operators in the GRAND VALLEY field by total wells

TEP ROCKY MOUNTAIN LLC1,665CAERUS PICEANCE LLC1,466QB ENERGY OPERATING LLC1,438LARAMIE ENERGY LLC582BERRY PETROLEUM COMPANY LLC357ENCANA OIL & GAS (USA) INC253OXY USA WTP LP187PDC ENERGY INC173NOBLE ENERGY INC12BARRETT RESOURCES CORP11

Operators: Tep Rocky Mountain Llc, Caerus Piceance Llc, Qb Energy Operating Llc, Laramie Energy Llc, Berry Petroleum Company Llc, Encana Oil & Gas (Usa) Inc, Oxy Usa Wtp Lp, Pdc Energy Inc, Noble Energy Inc, Barrett Resources Corp.

Counties Intersected by the GRAND VALLEY field

Garfield5,974Mesa104Rio Blanco90
Garfield
Mesa
Rio Blanco

Other Major Fields in Colorado most active by total wells

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