UNKNOWN Field Activity and Well Summary

Back to Colorado Well Records

Total wells

29
UNKNOWN field

Drill activity

—
drill dates not in our copy of this source

The UNKNOWN oil & gas field in Colorado contains 29 wells on file.

Top operators: HUGHES* WILLIAM E, CONQUEST OIL COMPANY, and others.

Most recent well: HWY 151 34-4-30 MW, operated by ENERGY & CARBON MANAGEMENT COMMISSION — last updated March 2026.

UNKNOWN field coverage

Counties the UNKNOWN field intersects.

Saguache CountySedgwick — 3 wellsCheyenne CountyCuster CountyLa Plata — 1 wellsSan Juan CountyPitkin CountyPark CountyAlamosa CountyProwers CountyMoffat — 4 wellsJefferson 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 — 1 wellsOuray CountyBent CountyArchuleta — 9 wellsRoutt CountyHinsdale CountyWeld — 1 wellsLarimer CountyLake CountyRio Grande CountyGilpin CountyYuma CountyJackson CountyKit Carson — 1 wellsClear Creek CountyLogan CountyWashington — 2 wellsDouglas CountyConejos CountyEl Paso CountyKiowa CountyTeller CountyGunnison CountyBaca CountyElbert CountyMesa — 4 wellsDolores CountyArapahoe — 2 wellsLas Animas CountyGrand County
< 11+2+3+4+

Recent wells

Well Name County Last activity Updates Operator API
HWY 151 34-4-30 MW Archuleta 2026-03-18 ENERGY & CARBON MANAGEMENT COMMISSION 05-007-06270
CHALICE EAST - USX YN Arapahoe 2026-03-18 NOBLE ENERGY INC 05-005-07134
GRAMPS Archuleta 2026-03-18 HUGHES* WILLIAM E 05-007-40016
JUNIPER SPRINGS UNIT Moffat 2026-03-18 AMERADA HESS CORP 05-081-05297
GRAMPS Archuleta 2026-03-18 HUGHES* WILLIAM E 05-007-40017
GOVT SKELLY Moffat 2026-03-18 RAYMOND OIL & GAS CO., INC 05-081-05237
HANCOCK GULCH UNIT WELL Mesa 2026-03-18 CONQUEST OIL COMPANY 05-077-08618
SOUTH SHALE RIDGE Mesa 2026-03-18 CONQUEST OIL COMPANY 05-077-08620
HIAWATHA STATE Moffat 2026-03-18 GADECO LLC 05-081-07316
GRAMPS Archuleta 2026-03-18 HUGHES* WILLIAM E 05-007-40021

Top Operators in the UNKNOWN field by total wells

HUGHES* WILLIAM E7CONQUEST OIL COMPANY4AEON ENERGY CORP3NOBLE ENERGY INC2ENERGY & CARBON MANAGEMENT COMMISSION2GADECO LLC1H2E OPERATIONS LLC1ANSCHUTZ DRILLING CO. INC.1AMERADA HESS CORP1OCEAN OIL COMPANY1

Operators: Hughes* William E, Conquest Oil Company, Aeon Energy Corp, Noble Energy Inc, Energy & Carbon Management Commission, Gadeco Llc, H2e Operations Llc, Anschutz Drilling Co. Inc., Amerada Hess Corp, Ocean Oil Company.

Counties Intersected by the UNKNOWN field

Archuleta9Mesa4Moffat4Sedgwick3Arapahoe2Washington2La Plata1Phillips1Kit Carson1Weld1
Archuleta
Mesa
Moffat
Sedgwick
Arapahoe
Washington
La Plata
Phillips
Kit Carson
Weld

Other Major Fields in Colorado most active by total wells

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