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Marathon Oil Company Wells and Activity Summary

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Total wells

45
Marathon Oil Company

Most recent drilling

Jul 1989
~36 years ago

First on record

1969
records span 20 years

Activity status

Historic
no recent drilling
Production News & deals Company family Coverage map Recent wells Counties Fields

Annual production via Marathon Oil Corp corporate filings

201120194,098,2652023

Recent M&A activity 8 deals on file involving Marathon Oil Corp

Announced Type Headline Value
May 2024 Corporate ConocoPhillips to Acquire Marathon In a Deal Worth $22 Billion
0 net acres
$22.0B
Nov 2022 Asset Marathon Acquires Eagle Ford Asset From Ensign For $3 Billion
130,000 net acres
$3.0B
Nov 2019 Property Marathon Oil Bolts On in the Eagle Ford; Acquires Lavaca County Acreage
18,000 net acres
$185M
Feb 2019 Property Marathon Oil to Sell Off UK Assets to RockRose for $140 Million
0 net acres
$140M
Mar 2018 Property Marathon Sells Off Libyan Assets for $450MM
0 net acres
$450M
Mar 2017 Property Marathon Oil Bolt-on Delaware Acreage For $700 MIllion
21,000 net acres
$700M
Mar 2017 Property CNRL Acquires Oil Sands Property From Marathon and Shell For $12.7 Billion
0 net acres
$12.7B
Mar 2017 Property Marathon Inks $1.1B Deal for 70,000 Delaware Basin Acres
70,000 net acres
$1.1B

Industry news recent coverage mentioning Marathon Oil Corp

  • Why $90 Oil Isn’t Bringing Back the Rigs
    Apr 16, 2026
    Higher oil prices are not translating cleanly into a drilling response across U.S. shale, and company disclosures are starting to show why. The issue is not simply capital discipline. It is structural. A meaningful… Read full article on ShaleExperts →
  • These Three Companies Will Increase Drilling & Completion Over The Next 3 Year
    Apr 15, 2026
    In the span of fifteen months, three Japanese energy companies committed more than $10.3 billion to U.S. natural gas production assets — a buying spree that has transferred roughly 27% of Haynesville Shale output… Read full article on ShaleExperts →
  • Q1 A&D Transactions Jump to $30B , While Deal Flow Was Down 40%
    Apr 15, 2026
    The first quarter of 2026 has officially defined the "Barbell Era" of American oil and gas. While the total number of deals plummeted by 46% YoY (dropping to just 7 major transactions), the total deal value skyrocketed… Read full article on ShaleExperts →
  • Western Canada Upstream M&A: Q1 2026 Transaction Report
    Apr 11, 2026
    Western Canadian M&A activity in Q1 2026 was characterized by a 87% decrease in total deal value compared to Q1 2025, totaling $0.8 billion C$ . However, transaction volume remained resilient with a 150% increase in… Read full article on ShaleExperts →
  • Wright to U.S. Oil Industry: The Price Signal Is Telling You to Drill
    Mar 23, 2026
    Energy Secretary Chris Wright stood in front of the largest gathering of oil executives in the world this morning and delivered a message that was equal parts market economics and wartime urgency: the price spike is… Read full article on ShaleExperts →

⚑ Same company across states: Marathon Oil Corp

NYSE:MRO Oil & Gas Upstream

Curated alternate names for Marathon Oil Corp (from ShaleExperts company records):

  • MARATHON OIL, MARATHON OIL CO, MARATHON OIL CO., MARATHON OIL COMPANY, MARATHON OIL EF LLC, MARATHON OIL PERMIAN LLC

Marathon Oil Company has 45 wells on file in Utah.

Active in 10 counties — concentrated in SAN JUAN, RICH, and UINTAH.

Most recent well: Tennis Fed 28-2 in the HORSESHOE BEND field (UINTAH county) — last updated June 2026.

Marathon Oil Company county coverage

Counties where Marathon Oil Company has wells. Click any county for its local activity.

RICH — 7 wellsCache CountyDUCHESNE — 2 wellsDavis CountyBox Elder CountyMillard CountyMorgan CountyWeber CountyKane CountySalt Lake CountySEVIER — 2 wellsGARFIELD — 1 wellsWashington CountyPiute CountySummit CountyEmery CountyDAGGETT — 2 wellsBeaver CountyUINTAH — 4 wellsUTAH — 1 wellsWAYNE — 2 wellsJuab CountyCARBON — 1 wellsIron CountySanpete CountySAN JUAN — 22 wellsWasatch CountyGrand CountyTooele County
< 11+2+2+7+

Recent wells

Well Name County Last activity Updates API
Tennis Fed 28-2 UINTAH 2026-06-29 4304731884
Cave Canyon 1-33 SAN JUAN 2026-06-29 4303731198
Tank Canyon 2-9 SAN JUAN 2026-06-29 4303731199
Tin Cup Mesa 1-24 (Bauer) SAN JUAN 2026-06-29 4303730731
Alkali Point 1-7 SAN JUAN 2026-06-29 4303731197
Otter Creek 1-28 RICH 2026-06-29 4303330025
Horse Ridge 1-35 DUCHESNE 2026-06-29 4301330597
Tin Cup Mesa 1-26 SAN JUAN 2026-06-29 4303730754
Horse Ridge 1-3 DUCHESNE 2026-06-29 4301330598
Baseball State 1 UINTAH 2026-06-29 4304731887

Counties Worked by total wells in Utah

SAN JUAN22RICH7UINTAH4WAYNE2DAGGETT2DUCHESNE2SEVIER2CARBON1GARFIELD1UTAH1

Counties: SAN JUAN, RICH, UINTAH, WAYNE, DAGGETT, DUCHESNE, SEVIER, CARBON, GARFIELD, UTAH.

Top Oil & Gas Fields worked by Marathon Oil Company by total wells

WILDCAT 24UNDESIGNATED12HORSESHOE BEND2LOVE1ALKALI POINT1RAT HOLE CANYON1TIN CUP MESA1MEXICAN HAT1BRADFORD CYN1CAVE CANYON1

Fields: Wildcat , Undesignated, Horseshoe Bend, Love, Alkali Point, Rat Hole Canyon, Tin Cup Mesa, Mexican Hat, Bradford Cyn, Cave Canyon.

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