---
schema_version: "secwatch.filing_event.v1"
accession: "0000101778-23-000003"
form_type: "8-K"
ticker: null
cik: "0000101778"
company_name: "MARATHON OIL CORP"
filed_at: "2023-01-03T23:59:59+00:00"
generated_at: "2026-06-20T20:40:29.126702+00:00"
event_type: "m_and_a"
sentiment: "positive"
materiality_score: 0.75
calibrated_materiality_score: 0.75
confidence: "high"
source: SEC EDGAR
---

# Marathon Oil closes $3.0B acquisition of Eagle Ford assets from Ensign Natural Resources

## Summary
- Paid $3.0B cash for upstream assets in Live Oak, Bee, Karnes, DeWitt Counties, Texas.
- Acquired assets are 99% operated, 67,000 net boepd (22,000 net bopd oil) maintenance production.
- Funding from cash on hand, revolving credit, and new term credit agreement dated Nov 22, 2022.
- CEO says deal is immediately accretive to key financial metrics and will boost shareholder distributions.
- Maintenance program requires ~1 rig and 35–40 wells per year; no synergy credits included in valuation.

## SEC filing metadata
- accession: 0000101778-23-000003
- form_type: 8-K
- cik: 0000101778
- company_name: MARATHON OIL CORP
- filed_at: 2023-01-03T23:59:59+00:00
- event_type: m_and_a
- sentiment: positive
- materiality_score: 0.75
- calibrated_materiality_score: 0.75
- confidence: high
- sec_items: 2.01, 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/101778/000010177823000003/0000101778-23-000003-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/101778/000010177823000003/mro-20221227.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000101778-23-000003
- JSON: https://secwatch.observer/filing/0000101778-23-000003.json
- Plain text: https://secwatch.observer/filing/0000101778-23-000003.txt

## Key facts
- M&A Transactions
  MARATHON OIL CORP completed an acquisition involving Ensign Operating LLC, Ensign Operating II LLC, Ensign Operating III LLC for $3.0 billion in cash (closed 2022-12-27).
  - Action: acquisition
  - Counterparty: Ensign Operating LLC, Ensign Operating II LLC, Ensign Operating III LLC
  - Consideration: $3.0 billion in cash
  - Closing: 2022-12-27
  source text: which the Purchaser agreed to acquire the Sellers’ upstream oil and gas assets located in Bee, DeWitt, Karnes and Live Oak Counties, Texas and related assets (the “Assets”) for $3.0 billion in cash, subject to customary closing adjustments. On December 27, 2022, the Purchaser completed the transactions contemplated by the Purchase and Sale Agreement (the
  evidence_url: https://www.sec.gov/Archives/edgar/data/101778/000010177823000003/0000101778-23-000003-index.htm

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.