MAY Field Activity and Well Summary

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Total wells

15
MAY field

Drill activity

—
drill dates not in our copy of this source

The MAY oil & gas field in Colorado contains 15 wells on file.

Top operators: UTAH SOUTHERN OIL CO, SHELL OIL COMPANY, and others.

Most recent well: UPRR-MCENDAFFER, operated by UNION OIL COMPANY OF CALIFORNIA — last updated March 2026.

MAY field coverage

Counties the MAY 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 — 15 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
UPRR-MCENDAFFER Weld 2026-03-18 UNION OIL COMPANY OF CALIFORNIA 05-123-05963
MOYER Weld 2026-03-18 EXETER DRILLING CO 05-123-05956
J T MOYER Weld 2026-03-18 SHELL OIL COMPANY 05-123-05969
MCENDAFFER--UPRR Weld 2026-03-18 UTAH SOUTHERN OIL CO 05-123-05954
SCHROEDER 'A' Weld 2026-03-18 BERENERGY CORP 05-123-07084
SCHROEDER Weld 2026-03-18 SHELL OIL COMPANY 05-123-05984
J T MOYER Weld 2026-03-18 UTAH SOUTHERN OIL CO 05-123-05961
SCHROEDER Weld 2026-03-18 SHELL OIL COMPANY 05-123-05977
UPRR-MCENDAFFER Weld 2026-03-18 UTAH SOUTHERN OIL CO 05-123-05955
UPRR MCENDAFFER Weld 2026-03-18 UTAH SOUTHERN OIL CO 05-123-05964

Top Operators in the MAY field by total wells

UTAH SOUTHERN OIL CO5SHELL OIL COMPANY3UNION OIL COMPANY OF CALIFORNIA2BEREN CORPORATION2OKMAR OIL CO1BERENERGY CORP1EXETER DRILLING CO1

Operators: Utah Southern Oil Co, Shell Oil Company, Union Oil Company Of California, Beren Corporation, Okmar Oil Co, Berenergy Corp, Exeter Drilling Co.

Counties Intersected by the MAY field

Weld15
Weld

Other Major Fields in Colorado most active by total wells

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