Big Rock Field Activity and Well Summary

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Total wells

53
Big Rock field

Drill activity

—
drill dates not in our copy of this source

The Big Rock oil & gas field in Montana contains 53 wells on file.

Top operators: MOGO Reagan, LLC, Blackfeet Tribe, and others.

Most recent well: Tribal 194 43-M27, operated by MOGO Reagan, LLC — last updated January 1991.

Big Rock field coverage

Counties the Big Rock field intersects.

Musselshell CountyChouteau CountyMeagher CountyRosebud CountySweet Grass CountyLewis and Clark CountyPondera CountyGarfield CountyCarter CountyGallatin CountyLiberty CountySilver Bow CountyCascade CountyFlathead CountyFergus CountyBroadwater CountyBig Horn CountySanders CountyLincoln CountyGranite CountyCuster CountyRichland CountyWibaux CountyGolden Valley CountyCarbon CountyToole CountyBlaine CountyJudith Basin CountyPowell CountyPark CountyRoosevelt CountyFallon CountyMcCone CountyStillwater CountyTeton CountyDawson CountyPowder River CountyGlacier — 53 wellsLake CountyHill CountyTreasure CountyMineral CountyYellowstone CountyJefferson CountyDeer Lodge CountyWheatland CountyRavalli CountyValley CountyPetroleum CountyPhillips CountyMissoula CountySheridan CountyDaniels CountyPrairie CountyMadison CountyBeaverhead County
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Recent wells

Well Name County Last activity Updates Operator API
Tribal 194 43-M27 Glacier 1991-01-03 MOGO Reagan, LLC 25035218350000
Tribal 194 42-F26 Glacier 1990-12-26 MOGO Reagan, LLC 25035218370000
Tribal 44-K28 Glacier 1990-12-23 Union Oil Company Of California 25035218380000
Tribal 194 41-K22 Glacier 1990-12-15 MOGO Reagan, LLC 25035218360000
Tribal 355 (1-2026-1) 9-4 Glacier 1985-12-12 MOGO Reagan, LLC 25035217530000
Tribal 355 11-10 Glacier 1984-11-14 Omimex Canada, Ltd. 25035217140000
Hiers 11-8 Glacier 1984-08-21 MOGO Reagan, LLC 25035213550000
Tribal 22-1 Glacier 1980-04-28 Montalban Oil & Gas Operations, Inc. 25035214620000
Tribal 5-11 Glacier 1978-02-14 Blackfeet Tribe 25035213010000
Tribal 4-5 Glacier 1978-01-28 Blackfeet Tribe 25035213350000

Top Operators in the Big Rock field by total wells

MOGO Reagan, LLC30Blackfeet Tribe15Montalban Oil & Gas Operations, Inc.3Omimex Canada, Ltd.3Damson Oil Corporation1Union Oil Company Of California1

Operators: Mogo Reagan, Llc, Blackfeet Tribe, Montalban Oil & Gas Operations, Inc., Omimex Canada, Ltd., Damson Oil Corporation, Union Oil Company Of California.

Counties Intersected by the Big Rock field

Glacier53
Glacier

Other Major Fields in Montana most active by total wells

Compare the Big Rock field against the other busiest oil and gas fields in Montana: