Private company

Chord Energy Corporation

Logo: oasispetroleum.com3

US Energy Company

Chord Energy Corporation is a company engaged in hydrocarbon exploration and hydraulic fracturing in the Williston Basin in North Dakota and Montana. It is organized in Delaware and headquartered in Houston, Texas, with an office in Williston, North Dakota. The company was formerly known as Oasis Petroleum.2 Wikipedia text CC BY-SA 4.0

Last updated Oct 21, 2026.

Overview

2007Founded1

Chord Energy Corporation is a company engaged in hydrocarbon exploration and hydraulic fracturing in the Williston Basin in North Dakota and Montana. It is organized in Delaware and headquartered in Houston, Texas, with an office in Williston, North Dakota. The company was formerly known as Oasis Petroleum.2

Corporate structure

Chord Energy Corporation is part of a group headed by Chord Energy Corporation. 22 entities, 2 countries on record. Switch between the flow chart and the network, and select any entity to see its details.

  • Chord Energy Corporation Denver
    • Chord Energy Corporation
    • Chord Energy Holdings LLC Subsidiary · Delaware, United States
    • Chord Energy Marketing LLC Subsidiary · Delaware, United States
    • Enerplus Corporation Subsidiary · Alberta, Canada
    • Enerplus Resources (USA) Corporation Subsidiary · Delaware, United States
    • Enerplus Resources U.S. Inc. Subsidiary · Delaware, United States
    • Enerplus Williston I LLC Subsidiary · Delaware, United States
    • Enerplus Williston II LLC Subsidiary · Delaware, United States
    • Fusion Minerals LLC Subsidiary · Delaware, United States
    • Oasis Investment Holdings LLC Subsidiary · Delaware, United States
    • Oasis Petroleum North America LLC Subsidiary · Delaware, United States
    • Oasis Petroleum Permian LLC Subsidiary · Delaware, United States
    • Oasis SASR Holdings LLC Subsidiary · Delaware, United States
    • Spark Acquisition ULC Subsidiary · Alberta, Canada
    • Spark Canadian Holdings Inc. Subsidiary · Delaware, United States
    • Tangent Midstream Services LLC Subsidiary · Delaware, United States
    • Tangent Well Services LLC Subsidiary · Delaware, United States
    • Whiting Holdings LLC Subsidiary · Delaware, United States
    • Whiting ND Sakakawea LLC Subsidiary · Delaware, United States
    • Whiting Oil and Gas Corporation Subsidiary · Delaware, United States
    • Whiting Programs, Inc. Subsidiary · Delaware, United States

Built from subsidiaries listed in Exhibit 21 of annual reports filed with the SEC; major holders from Schedules 13D and 13G. Each entity in the chart links to its source.

The story

In February 2007, Oasis Petroleum was founded by Thomas B. Nusz and Taylor L. Reid and was financed by EnCap Investments. In June 2007, the company acquired 175,000 net acres and 1 thousand barrels of oil equivalent (6,100 GJ) per day of production in Williston, North Dakota for $83 million.

In 2008–2009, the company acquired an additional 131,000 net acres and 1.1 thousand barrels of oil equivalent (6,700 GJ) per day of production nearby for $54 million.

In 2010, the company became a public company via an initial public offering which raised over $400 million.

In 2013, the company acquired 161,000 net acres in the Williston Basin for $1.5 billion.

In 2016, the company acquired 55,000 net acres and 226 gross operated drilling locations in the Williston Basin from SM Energy for $785 million.

In 2017, the company completed the corporate spin-off of its midstream operations. The same year, Oasis Petroleum acquired 20,300 net acres in the Delaware Basin for $946 million. It sold these assets in 2021.

In September 2020, the company filed for Chapter 11 bankruptcy; it emerged from bankruptcy in November 2020.

In July 2022, the company merged with Whiting Petroleum and was renamed Chord Energy.

Read the full text

In May 2024, the company acquired Enerplus for $3.7 billion in cash and stock.

From Wikipedia’s article on Chord Energy, shared under CC BY-SA 4.0.4

Products and brands

  • petroleum

Listed on Wikidata.1

Timeline

  1. 2007Founded Founded1

Sources

The numbers on this page point here. Each one links to the record it came from.

  1. 1
  2. 2
  3. 3
  4. 4