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Company

Operator

Ensign Natural Resources LLC

Acquired in November 2022 by Marathon Oil Corp. The snapshot below reflects historical activity.

About

Exploration & Production

  • WebsiteVisit →
  • AddressHouston Texas
  • Phone(281) 800-3400
  • Acquired byMarathon Oil Corp

Acquisition chain

Forward & backward M&A lineage

  1. Coterra Energy Feb 2026 View deal →
  2. Devon Energy Corp Aug 2018 View deal →
  3. Carrizo Oil & Gas Inc. Aug 2010 View deal →
  4. Reliance Industries Limited Nov 2021 View deal →
  5. Ensign Natural Resources LLC (this company)
  6. Marathon Oil Corp Nov 2022 View deal →
  7. ConocoPhillips May 2024 View deal →
  8. Flywheel Energy LLC Aug 2025 View deal →
  9. Northern Oil and Gas, Inc. Apr 2019 View deal →

See full transactions & chain →

Drilling activity

Recent rig presence by basin

Recent activity

No recent coverage on file

Newer coverage typically lives under Marathon Oil Corp.

View Marathon Oil Corp →See the transactionView historical activity

Deals

Marathon Acquires Eagle Ford Asset From Ensign For $3 Billion Nov 2022

Marathon Oil said it it acquiring the Eagle Ford Asset from Warbug & Kayne-Anderson-backed Ensign Natural Resources. As one might remember…

Ensign Acquires Eagle Ford Assets from Reliance Nov 2021

PE-backed Ensign Natural Resources announced the purchase of assets in the Eagle Ford Shale from Reliance Eagleford Upstream Holding LP…

Private Equity-Backed E&P Acquires 6,000 Acres in Eagle Ford Core Aug 2020

Ensign Natural Resources LLC has purchased Eagle Ford Shale / Edwards acreage in South Texas from Newpek LLC. The purchase price was not…

PE-Backed Ensign Acquires Eagle Ford Asset from Pioneer in $475MM Deal May 2019

PE-backed Ensign Natural Resources LLC has acquired Eagle Ford acreage in South Texas from Pioneer Natural Resources USA, Inc. The purchase…

All transactions →

Permits

WYE RANCH 02 unKnown at this time Jun 17, 2026
ALEXANDER 01 EAGLEVILLE (EAGLE FORD-2) Feb 2, 2026
ALEXANDER 01 SUGARKANE ( EAGLE FORD ) Feb 2, 2026
ALEXANDER 01 SUGARKANE ( EAGLE FORD ) Feb 2, 2026
ALEXANDER 01 SUGARKANE ( EAGLE FORD ) Feb 2, 2026
MENSIK 01 EAGLEVILLE (EAGLE FORD-2) Jan 20, 2026

All permits →

Assets

No asset records

Operations transferred to Marathon Oil Corp. Live acreage and lease records sit under the successor.

View Marathon Oil Corp →See the transactionView historical activity

Capital raised

Warbug, Kayne Anderson Forms Engisn Natural Resources Aug 2, 2017 · Equity Commitment
All raises

Regions of activity

No regional activity indexed yet

When Marathon Oil Corp files permits or discloses acreage tied to this entity, the regions show up here.

View Marathon Oil Corp →See the transactionView historical activity
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