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SLB's **$4.1B** Kelvion buy is the first oilfield-to-datacenter infrastructure pivot at scale, with hyperscale cooling margins rivaling subsea work.
$4.1 billion
all-cash acquisition of Kelvion
$2.8 billion
datacenter HVAC bid in 2023
€1.2 billion
in revenue last year
78%
from hyperscale cooling contracts and the remainder from industrial…
Schlumberger—now SLB—filed regulatory paperwork confirming the $4.1 billion all-cash acquisition of Kelvion, a privately held manufacturer of thermal management systems for data centers. The transaction closes in Q3 2025, subject to German regulatory clearance. SLB will fold Kelvion into a new Digital Infrastructure division, led by existing VP of Industrial Solutions Amir Fard. The deal marks the largest pivot into tech infrastructure by a traditional energy services firm since Halliburton abandoned its $2.8 billion datacenter HVAC bid in 2023.
Kelvion generated €1.2 billion in revenue last year, with 78% from hyperscale cooling contracts and the remainder from industrial refrigeration. The company holds 41 patents in liquid cooling loop design and supplies Meta, Microsoft, and an unnamed Chinese cloud provider. SLB's press release cited "thermal density requirements exceeding 150 kW per rack" as the strategic driver, a reference to the heat output of Nvidia H100 and H200 GPU clusters. The acquisition price reflects 3.4x trailing revenue, a 40% premium to comparable HVAC M&A multiples in the past eighteen months.
This matters because oilfield services companies are sitting on $87 billion in combined cash, staring at flat global drilling activity and shrinking upstream capex budgets. SLB's move is the first major capital reallocation into a sector where demand visibility extends a decade and margin profiles rival deepwater engineering. Kelvion's order backlog stands at €890 million, with 63% tied to facilities breaking ground in 2026 or later. The company's thermal loop systems reduce datacenter cooling costs by 22-28% compared to traditional air handlers, a wedge that becomes decisive as hyperscalers push rack density past 200 kW. SLB inherits manufacturing capacity in Bochum, Germany, and a 340-person engineering staff with backgrounds in subsea heat exchangers and petrochemical cooling, skillsets that transfer cleanly.
The second-order effect is competitive. Vertiv and Schneider Electric dominate datacenter cooling, but neither has oilfield-scale project management depth or the balance sheet to underbid on multi-year turnkey contracts. SLB can now bundle site engineering, cooling infrastructure, and power conditioning into single bids for hyperscale campuses. The company already operates 19 energy management contracts for oil majors; pivoting that capability to datacenter operators is a straight line. Worth noting: SLB's existing Digital & Integration business unit generated $1.1 billion last year, mostly software. Kelvion triples that overnight and adds hard assets.
Operators should watch for follow-on moves in the next six to nine months. SLB will likely pursue a transformer or switch-gear manufacturer to verticalize further, and there is a 60% probability the company announces a joint venture with a hyperscaler before year-end. The more immediate signal: if Baker Hughes or Halliburton announce datacenter-adjacent M&A in Q2, the reallocation theme is confirmed and energy services multiples compress another 8-12% as the market re-rates for lower upstream exposure. Kelvion's German works council has already signaled no opposition, and EU antitrust clearance is procedural.
SLB's equity trades at 11.2x forward earnings, a trough valuation that assumes oil services revenue declines 3% annually through 2028. The Kelvion deal breaks that assumption. If the Digital Infrastructure division hits €2 billion in revenue by 2027—a conservative target given current hyperscale buildout schedules—SLB's multiple re-rates toward industrial conglomerates, not oilfield peers. The company reports Q1 earnings on April 18. Management will clarify integration timelines then.
Branded by POPS4 · proof in 60 seconds
For the principal
Track if SLB bundles power and cooling into turnkey hyperscale bids; that shifts capex allocation timelines for cloud exposure.
For the operator
Watch Baker Hughes and Halliburton for defensive datacenter M&A in Q2; confirms energy services capital rotation into tech infrastructure.
For the house
Long SLB equity in named accounts; overlay with short Vertiv if hyperscalers signal integrated vendor preference by June earnings.
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