Diamondback Energy
Corporate brand
UnclaimedIndependent oil and gas exploration and production company focused on the Permian Basin.
Last updated October 14, 2026
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Overview
Diamondback Energy is an independent American oil and gas exploration and production company headquartered in Midland, Texas. Its business is concentrated in the Permian Basin, a major hydrocarbon-producing region spanning West Texas and southeastern New Mexico. The company develops unconventional oil and gas resources, relying primarily on horizontal drilling, hydraulic fracturing, pad development, and infrastructure connected to regional gathering and transportation systems. Diamondback began operations in December 2007 after acquiring approximately 4,174 net acres in the Permian Basin. Rather than building a geographically diversified international portfolio, it developed a focused regional model based on acquiring contiguous or strategically valuable acreage and increasing production through repeatable drilling programs. This concentration gives the company exposure to the Permian Basin's established service, pipeline, processing, and export infrastructure, while also making its performance sensitive to regional constraints, commodity prices, water management, flaring, and environmental regulation. The company became publicly traded in October 2012 through an initial public offering on Nasdaq under the ticker FANG. The ticker refers to a snake's tooth and was associated with a Western diamondback rattlesnake motif in the company's early branding. After the IPO, Diamondback expanded through a series of acquisitions. These included Brigham Resources assets in 2017, Ajax Resources assets and Energen in 2018, Guidon Resources assets and leasehold interests and QEP Resources in 2021, and Endeavor Energy Resources in 2024. In April 2025, the company announced or completed the acquisition of Double Eagle IV for stated consideration of $3 billion in cash and 6.9 million shares of stock, further enlarging its position in the Midland Basin. Diamondback's output consists principally of crude oil, natural gas, and natural gas liquids. The company also owns or controls mineral, leasehold, drilling, gathering, and other infrastructure interests related to its upstream operations. As of December 31, 2024, the company reported estimated proved reserves of 3,557 million barrels of oil equivalent. The reported reserve mix was approximately 49% petroleum, 24% natural gas, and 27% natural gas liquids. The company is positioned as a scaled, relatively low-cost Permian Basin producer rather than a consumer-facing energy brand. Its investment case and operating strategy relate to drilling inventory, production efficiency, capital discipline, free cash flow generation, land quality, infrastructure access, and shareholder returns. Like other shale-focused producers, Diamondback has faced public scrutiny over methane emissions and natural gas flaring, as well as litigation alleging coordinated production restraint and price manipulation. The company remains an active, publicly traded upstream energy company.
History
Diamondback Energy began operations in December 2007 with the acquisition of approximately 4,174 net acres in the Permian Basin. From its beginning, the company followed a concentrated upstream strategy: acquire and develop oil-weighted acreage in one of North America's most productive basins rather than establish a broad international portfolio. Its operating model centered on horizontal drilling and hydraulic fracturing, technologies that enabled producers to develop unconventional reservoirs across large contiguous lease positions. The company entered the public markets in October 2012 through an initial public offering. It issued 12,500,000 shares of common stock at an opening price of $17.50 per share and began trading on Nasdaq under the symbol FANG. The symbol references a snake's tooth, while the company's early visual identity used a Western diamondback rattlesnake. The listing provided access to public equity markets as Diamondback pursued acreage expansion and production growth. A major phase of consolidation began in 2017. In March of that year, Diamondback acquired assets from Brigham Resources for $2.55 billion. In October 2018, it acquired Ajax Resources assets for $1.25 billion, and in November 2018 it acquired Energen. These transactions expanded the company's Permian Basin footprint and increased its inventory of drilling locations. The acquisitions also reinforced the strategy of assembling scale in a basin where shared infrastructure and operational repetition could support development efficiency. Diamondback continued to enlarge its asset base during 2021. In February, it acquired leasehold interests and assets from Guidon Resources for $375 million in cash and 10.68 million shares. In March, it acquired QEP Resources. These transactions added further Permian acreage and production resources during a period when the U.S. shale industry was emphasizing scale, capital discipline, balance-sheet management, and returns to investors. The next major expansion came in September 2024 with the acquisition of Endeavor Energy Resources. Endeavor was a significant private Permian Basin producer, and the transaction strengthened Diamondback's position in the region, particularly within the Midland Basin. In April 2025, Diamondback acquired Double Eagle IV for reported consideration of $3 billion in cash and 6.9 million shares of stock. The transaction continued the company's pattern of using acquisitions to consolidate high-quality Permian acreage and increase operating scale. Diamondback's business remains primarily upstream. It explores for, develops, and produces crude oil, natural gas, and natural gas liquids, with associated interests in leasehold acreage, minerals, wells, and production infrastructure. As of December 31, 2024, the company reported estimated proved reserves of 3,557 million barrels of oil equivalent, comprising approximately 49% petroleum, 24% natural gas, and 27% natural gas liquids. Its regional focus provides operating and infrastructure advantages but also concentrates exposure to Permian Basin transportation capacity, local environmental conditions, flaring rules, service costs, and regional price differentials. The company has attracted environmental and legal scrutiny. In October 2023, it was criticized as a major contributor to increased gas flaring in the Permian Basin. In January 2024, a class action alleged that Diamondback and other producers participated in an illegal scheme to limit shale-oil production and raise gasoline prices; the case was described as part of consolidated multidistrict litigation in New Mexico. These matters illustrate the regulatory, environmental, and antitrust issues facing large U.S. unconventional producers. Despite those controversies, Diamondback remains an active Nasdaq-listed independent exploration and production company focused on the Permian Basin.
- 2025
Double Eagle IV acquisition
[1]The company acquired Double Eagle IV for reported consideration of $3 billion in cash and 6.9 million shares.
- 2024
Endeavor Energy Resources acquisition
[1]Diamondback expanded its Midland Basin position through the acquisition of Endeavor Energy Resources.
- 2021
Guidon Resources and QEP Resources transactions
[1]Diamondback acquired Guidon leasehold interests and assets and completed the acquisition of QEP Resources.
- 2018
Ajax Resources and Energen expansion
[1]The company acquired Ajax Resources assets for $1.25 billion and later acquired Energen.
- 2017
Brigham Resources asset acquisition
[1]Diamondback acquired Permian Basin assets from Brigham Resources for $2.55 billion.
- 2012
Initial public offering
[1]The company completed an IPO, issuing 12,500,000 shares and listing on Nasdaq under the ticker FANG.
- 2007
Operations begin in the Permian Basin
[1]Diamondback began operations after acquiring approximately 4,174 net acres in the Permian Basin.
Products and positioning
Focused, scaled, and relatively low-cost Permian Basin oil and gas producer.
Upstream hydrocarbon production
Crude oil
Crude oil is Diamondback's principal produced hydrocarbon and a central part of its Permian Basin business. The company develops oil-bearing unconventional reservoirs using horizontal wells, hydraulic fracturing, multi-well pads, and related field infrastructure. Its reserve base was petroleum-weighted as of the end of 2024.
Upstream hydrocarbon production
Natural gas liquids
Natural gas is produced alongside oil from Diamondback's Permian Basin wells. Gas is gathered, processed, transported, sold, or otherwise managed through regional infrastructure. Gas handling and flaring are operational and regulatory issues for the company and for other producers in the basin. Natural gas liquids are recovered from associated gas produced by the company's wells. They form part of Diamondback's reported reserve and production mix and are marketed through energy infrastructure serving the Permian Basin.
Oil and gas assets
Permian Basin leasehold and mineral interests
Diamondback's core asset base consists of leasehold acreage, mineral interests, producing wells, undeveloped drilling locations, and associated infrastructure in the Permian Basin. The company has expanded this portfolio through organic drilling and acquisitions including Brigham Resources, Ajax Resources, Energen, Guidon Resources, QEP Resources, Endeavor Energy Resources, and Double Eagle IV.
Controversies
2024
Alleged shale-oil price-fixing scheme
A class action filed in January 2024 accused Diamondback and seven other U.S. oil and gas producers of coordinating to constrain shale-oil production, allegedly increasing gasoline prices relative to a competitive market. The case was described as part of consolidated multidistrict litigation in New Mexico.
2023
Permian Basin gas-flaring criticism
Diamondback was accused of being a major contributor to increased gas flaring in the Permian Basin. The issue concerns the burning of natural gas that cannot be immediately marketed or transported and has environmental and regulatory implications.
Brand decisions
2025
Acquire Double Eagle IVM&ABackground
Diamondback continued using acquisitions to consolidate Permian Basin acreage and production resources.
Action taken
It acquired Double Eagle IV for $3 billion in cash and 6.9 million shares of stock.
Aftermath
The transaction further expanded the company's Permian Basin asset portfolio.
Transaction consideration. $3 billion in cash plus 6.9 million shares (April 2025)
2024
Acquire Endeavor Energy ResourcesM&ABackground
Diamondback pursued a major expansion of its Permian Basin position.
Action taken
The company acquired Endeavor Energy Resources.
Aftermath
The transaction strengthened Diamondback's position in the Midland Basin and increased its operating scale.
2021
Expand through Guidon Resources and QEP ResourcesM&ABackground
The company pursued additional Permian Basin leasehold interests and producing assets.
Action taken
Diamondback acquired Guidon Resources interests and assets for $375 million in cash plus 10.68 million shares, and acquired QEP Resources.
Aftermath
The deals added acreage, production resources, and further regional scale.
Guidon transaction cash consideration. $375 million in cash plus 10.68 million shares (February 2021)
2018
Acquire Ajax Resources assets and EnergenM&ABackground
Diamondback continued consolidating Permian Basin assets through both asset purchases and corporate acquisitions.
Action taken
It acquired Ajax Resources assets for $1.25 billion and acquired Energen later in the year.
Aftermath
The transactions broadened the company's Permian Basin resource base and operating scale.
2017
Acquire Brigham Resources assetsM&ABackground
Diamondback sought to expand its Permian Basin acreage and drilling inventory.
Action taken
The company acquired assets from Brigham Resources for $2.55 billion.
Aftermath
The transaction increased Diamondback's scale in its core operating basin.
Transaction value. $2.55 billion (March 2017)
Recent events
Reported
Oasis Petroleum completes acquisition of Williston Basin assets[3]
Oasis Petroleum announced that it completed its previously announced strategic acquisition of Williston Basin assets from Diamondback Energy. The cash payment at closing was $511.3 million, net of the deposit and purchase-price adjustments.
Reported
Diamondback raises 2021 production guidance[4]
Diamondback Energy raised its 2021 production guidance, targeting oil production of 218,000–222,000 barrels per day, compared with its previous target of 178,000–185,000 barrels per day.
- Unconfirmed
Reported
Diamondback Energy cuts its 2020 drilling budget[5]
Diamondback Energy cut $1.2 billion from its 2020 capital budget, saying it planned to spend between $1.5 billion and $1.9 billion on drilling and completing new wells, with further cuts possible if oil prices continued to fall.
Reported
Diamondback immediately reduces drilling activity[6]
Diamondback Energy said it immediately reduced drilling activity and would operate fewer rigs in response to oil-price weakness; it also said it would cut completion crews from nine to six.
Sources6 sources
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