MRO (Marathon Oil)
- Early 2012: 406,000 acres in the Bakken
- 2011: 391,000 acres in the Bakken
- 375,000 acres in the Bakken (SeekingAlpha, June 27, 2011)
- Operating 6 rigs; up to 7 rigs in 2Q12
- Odysseus: north, Divide County (no longer shows up on presentation)
- Cassandra: east of Williston (no longer shows up on presentation)
- Cazador: just north of the reservation in the Nesson anticline
- Myrmidon: northwest corner of the reservation
- Marfa: MRO's largest area; southwest of the reservation; borders the reservation, Dunn County -- Marfa DOES NOT show up on most recent presentation
- Hector: eastern area of Marfa, just outside of the reservation, Dunn County
- Ajax: continuation of Marfa, southwest of Marfa, Dunn County
- Blacktail: very, very small area west of Ajax (no longer shows up in presentation)
- Paris: west of Marfa, in Williams County, about same size as Ajax
- Diomedes: northwest Williams and eastern Montana (Sheridan County) (new)
- Menelaus: very small prospect in west central McKenzie (new)
- Aeneas: northwest corner of McLean, east of river (new)
- Helen: very small, scattered acres north of Hector (Helen)
- Elk Creek: very small, scattered acres west of Helen (new)
- Analyst's number: 365,000 net acres (December 31, 2010)
- 2011 average boepd: 24,000
- 2010 average boepd: 10,000