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Data Center InfrastructureIndustry Shift· 3 min read· in Energy

SLB Acquires Kelvion for $4.1 Billion, Pivoting Major Energy Services Firm into Data Center Power Market

Oilfield services giant SLB has agreed to purchase German thermal management firm Kelvion for $3.4 billion in cash, marking a massive strategic pivot to supply cooling infrastructure for AI data centers.

By Layla Zaher

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The tension between Silicon Valley's artificial intelligence ambitions and the physical limits of power and cooling is forcing a massive realignment in heavy industry. Tech giants are building data centers at a scale that outstrips traditional HVAC capabilities, creating a vacuum that energy sector heavyweights are rushing to fill.

On Monday, oilfield services giant SLB—formerly Schlumberger—answered that demand, announcing a definitive agreement to acquire German thermal management manufacturer Kelvion. The transaction marks a definitive pivot for the Houston-based energy services firm, signaling its intent to become a foundational infrastructure provider for the global AI buildout.[1][3]

Under the terms of the agreement, SLB will pay approximately $3.4 billion in cash and assume roughly $700 million of Kelvion's debt, bringing the total transaction value to $4.1 billion. The acquisition buys out majority owner Apollo Global Management and minority stakeholder Triton, transferring a century-old industrial cooling specialist into SLB's rapidly expanding digital infrastructure portfolio.[1][2]

Kelvion specializes in the heavy-duty thermal management and heat exchange technologies needed to cool high-density AI processors.

Kelvion sits at the intersection of heavy industrial engineering and high-tech thermal management. The Bochum-based company manufactures advanced heat exchangers and liquid cooling systems, technologies that have become critical as next-generation AI processors generate heat densities that traditional air cooling can no longer manage.[1][3]

The financial projections underscore why an energy services company is making a multi-billion-dollar bet on server racks. Kelvion is expected to generate between $2.3 billion and $2.4 billion in revenue in 2026. Data center cooling is already its largest and fastest-growing segment, projected to account for up to $1.3 billion of that total this year alone.[1][2]

For SLB, the acquisition is a strategic acceleration away from pure-play oil and gas extraction. By bringing Kelvion in-house, SLB aims to transition from a modular construction partner into an original equipment manufacturer of integrated thermal systems, capitalizing on what executives describe as the most significant infrastructure investment cycle in a generation.[2][3]

SLB expects the combined data center business to generate up to $5 billion in revenue by 2028.

The integration strategy focuses on embedding Kelvion's liquid cooling technology directly into SLB's modular data center designs from the ground up, rather than treating thermal management as an aftermarket addition. SLB executives noted that this approach more than doubles the company's revenue opportunity per gigawatt of delivered data center capacity.[1][3]

The combined entity is targeting aggressive growth, with SLB projecting its data center solutions business will generate between $4.5 billion and $5 billion in revenue by 2028. The transaction, subject to regulatory approvals, is expected to close in the first quarter of 2027, cementing a new era where the lines between energy services and digital infrastructure are permanently blurred.[1]

Viewpoints in depth

Energy Services Providers

Traditional oilfield giants view the AI infrastructure boom as a critical diversification opportunity.

For companies like SLB, the massive power and cooling requirements of modern data centers represent a natural pivot for their heavy engineering expertise. By acquiring established thermal management firms, energy services providers can reduce their exposure to the cyclical volatility of oil and gas markets while capturing a larger share of the capital flowing into AI infrastructure. The move signals a broader industry recognition that the next great resource boom is in digital processing rather than hydrocarbon extraction.

Tech Infrastructure Analysts

Industry experts emphasize that traditional air cooling is no longer sufficient for next-generation AI processors.

As server rack densities increase to accommodate advanced AI workloads, data center operators are being forced to adopt direct-to-chip liquid cooling and heavy-duty heat exchangers. Analysts note that integrating these thermal management systems directly into the modular construction phase—rather than retrofitting them later—creates a more efficient architecture. By bringing Kelvion in-house, SLB aims to control the entire thermal supply chain, positioning itself as an original equipment manufacturer rather than just a construction partner.

Key points

  • SLB will acquire German thermal management firm Kelvion for $3.4 billion in cash and assume $700 million in debt.
  • The acquisition marks a major pivot for the oilfield services giant into the rapidly growing AI data center infrastructure market.
  • Kelvion is projected to generate up to $2.4 billion in revenue in 2026, driven primarily by its data center cooling segment.
  • SLB plans to integrate Kelvion's liquid cooling technology directly into its modular data center designs to handle high-density AI workloads.
Energy Services Providers 45%Tech Infrastructure Analysts 35%Financial Markets 20%
Energy Services Providers
Argues that traditional oilfield companies must diversify into data center infrastructure to capitalize on the AI boom and reduce reliance on cyclical fossil fuel markets.
Tech Infrastructure Analysts
Focuses on the technical necessity of liquid cooling for high-density AI workloads and the value of integrated modular construction.
Financial Markets
Evaluates the acquisition based on revenue synergies, EBITDA multiples, and the execution risk of integrating a massive thermal management firm.

Perspectives this story doesn't cover

  • Environmental groups concerned about the massive energy and water footprint of these data centers
  • Traditional oil and gas clients wondering if SLB is losing focus on its core extraction business

Sources

Source coverage

3 outlets

3 viewpoints surfaced

Energy Services Providers 45%Tech Infrastructure Analysts 35%Financial Markets 20%
  1. [1]RigzoneEnergy Services Providers

    SLB Expands Data Center Role with $3B Kelvion Deal

    Read on Rigzone →
  2. [2]Energy DigitalEnergy Services Providers

    SLB Buys Kelvion For US$3.4bn in Data Centre Cooling Push

    Read on Energy Digital →
  3. [3]Business WireTech Infrastructure Analysts

    SLB to Acquire Kelvion, Expanding its Role Across Data Center Infrastructure

    Read on Business Wire →
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