Biggest Oil and Gas Sector Deals Since Start of the Century

Mergers and acquisitions in the shale industry have drawn increased antitrust scrutiny, with the U.S. Federal Trade Commission reviewing several multi-billion dollar deals, including Chevron, Exxon Mobil, Diamondback Energy, Occidental Petroleum and Expand Energy, formerly known as Chesapeake Energy.


Get the Latest US Focused Energy News Delivered to You! It’s FREE:


Here are the major deals in the global oil and gas sector since the 2000s:

2001

Chevron buys Texaco in a $39.5 billion deal and emerges as one of the largest energy firms in the world.

2002

Shareholders of Conoco and Phillips Petroleum, and the Federal Trade Commission approve an $18 billion merger between the companies and created the third-largest U.S. oil firm ConocoPhillips.

2005

Chevron agrees to buy California rival Unocal for about $16.4 billion after fighting off Italian oil group Eni, China’s CNOOC and other rumored suitors.

2006

ConocoPhillips acquires Burlington Resources in a $35.6 billion deal and gains access to lucrative positions in North American gas-rich basins.

2007

Norway’s Statoil buys the oil and gas assets of Norsk Hydro for $30 billion to create a new energy firm, Equinor.

2010

Exxon Mobil acquires XTO Energy for about $30 billion in stock to bolster its position as a leading U.S. natural gas producer.

2012

Russia’s state oil company Rosneft buys TNK-BP from UK-based BP in a $55 billion deal.

Kinder Morgan finalizes a $21 billion deal to buy El Paso Corp, combining the two largest natural gas pipeline operators.

2014

Kinder Morgan buys all of its publicly traded units (Kinder Morgan Energy Partners LP, Kinder Morgan Inc with Kinder Morgan Management and El Paso Pipeline Partners) in a $70 billion deal.

2015

Shell, which was then known as Royal Dutch Shell acquires British rival BG Group in a $70 billion deal.

2018

Marathon Petroleum takes over rival Andeavor for $23 billion.

2019

Occidental Petroleum acquires Anadarko Petroleum in a $38 billion deal.

2020

ConocoPhillips buys Concho Resources for $9.7 billion in 2020’s top shale deal.

Saudi Aramco completes its purchase of a 70% stake in petrochemicals company Saudi Basic Industries for $69.1 billion.

PipeChina takes over oil and gas pipelines, and storage facilities from PetroChina and Sinopec in a deal valued at $55.9 billion.

2021

Norway’s Aker BP buys Sweden’s Lundin Energy in a $13.9 billion cash and stock deal to form Norway’s second largest listed oil firm.

BHP Group agrees to sell its petroleum business to Woodside Petroleum in a $28 billion merger to create an oil and gas producer with growth assets in Australia and the Americas now known as Woodside Energy.

2023

Magellan Midstream Partners’ unitholders vote in favor of its sale to larger rival ONEOK for $18.8 billion, creating one of the largest U.S. energy pipeline companies.

Exxon Mobil agrees to buy Pioneer Natural Resources in an all-stock deal valued at $59.5 billion that would make it the biggest producer in the largest U.S. oilfield and secure a decade of low-cost production.

Chevron agrees to buy smaller rival Hess Corp in a $53 billion all-stock deal, putting the company head-to-head against rival Exxon Mobil in two of the world’s fastest growing oil basins – shale and Guyana.

Occidental Petroleum agrees to buy privately held CrownRock in a cash-and-stock deal valued at $12 billion, its biggest since the debt-laden acquisition of Anadarko Petroleum in 2019.

2024

Diamondback Energy signs an agreement to acquire privately held rival Endeavor Energy Partners in a $26 billion cash-and-stock deal to boost its presence in the prolific Permian basin.

(Reporting by Seher Dareen, Sourasis Bose, Roshia Sabu, Pooja Menon and V

Share This:


More News Articles

 

  • Related Posts

    Phillips 66 Faces $900 Million Loss as Iran Crisis Lifts Oil Prices

    Energy prices soared after the U.S.-Israeli war on Iran began in late February. Iran’s effective closure of the Strait of Hormuz, a chokepoint for roughly a fifth of global oil…

    US Crude Exports Test Limits as Shipping Constraints Mount

    By The war in Iran has sent demand for US oil from overseas toward record levels, bolstering President Donald Trump’s push for “American energy dominance.” But as shipments surge, exports…

    Have You Seen?

    INOXAP commissions first ultra-high purity liquid oxygen facility in India

    • April 7, 2026
    INOXAP commissions first ultra-high purity liquid oxygen facility in India

    LNG ships halted at strait deadline nears

    • April 7, 2026
    LNG ships halted at strait deadline nears

    U.S. Oil Premiums Hit Record High as World Scrambles for Crude

    • April 7, 2026
    U.S. Oil Premiums Hit Record High as World Scrambles for Crude

    Qatar’s LNG Exports Still Frozen as Two Tankers U-Turn at Hormuz

    • April 7, 2026
    Qatar’s LNG Exports Still Frozen as Two Tankers U-Turn at Hormuz

    India Back to Buying Venezuelan Crude

    • April 7, 2026
    India Back to Buying Venezuelan Crude

    Carbon Capture Edges Forward Despite Cost Challenge

    • April 7, 2026
    Carbon Capture Edges Forward Despite Cost Challenge

    Investors Press Amazon, Microsoft and Google on Water, Power Use in US Data Centers

    • April 7, 2026
    Investors Press Amazon, Microsoft and Google on Water, Power Use in US Data Centers

    US Crude Exports Test Limits as Shipping Constraints Mount

    • April 7, 2026
    US Crude Exports Test Limits as Shipping Constraints Mount

    Phillips 66 Faces $900 Million Loss as Iran Crisis Lifts Oil Prices

    • April 7, 2026
    Phillips 66 Faces $900 Million Loss as Iran Crisis Lifts Oil Prices

    Energy Shock Prompts Analysts to Cut India’s GDP Growth Forecasts

    • April 7, 2026
    Energy Shock Prompts Analysts to Cut India’s GDP Growth Forecasts