SAN ARROYO Field Activity and Well Summary

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Total wells

5
SAN ARROYO field

Drill activity

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drill dates not in our copy of this source

The SAN ARROYO oil & gas field in Colorado contains 5 wells on file.

Top operators: EXETER DRILLING CO, GEM OIL COMPANY, and others.

Most recent well: KREIG, operated by LION OIL COMPANY — last updated March 2026.

SAN ARROYO field coverage

Counties the SAN ARROYO 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 — 5 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
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Recent wells

Well Name County Last activity Updates Operator API
KREIG Adams 2026-03-18 LION OIL COMPANY 05-001-05531
KOLETTIS Adams 2026-03-18 WALSH* FRANK H 05-001-05519
KOLETTIS Adams 2026-03-18 GEM OIL COMPANY 05-001-05535
LESLEY Adams 1984-05-08 GOLDEN BEAR ENERGY INC 05-001-08424
MUELLER Adams 1974-09-23 EXETER DRILLING CO 05-001-06897

Top Operators in the SAN ARROYO field by total wells

EXETER DRILLING CO1GEM OIL COMPANY1GOLDEN BEAR ENERGY INC1LION OIL COMPANY1WALSH* FRANK H1

Operators: Exeter Drilling Co, Gem Oil Company, Golden Bear Energy Inc, Lion Oil Company, Walsh* Frank H.

Counties Intersected by the SAN ARROYO field

Adams5
Adams

Other Major Fields in Colorado most active by total wells

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