Bentley’s Seequent buys Eliis for seismic analysis

Bentley’s Seequent business announced this morning that it has acquired Eliis, developer of the PaleoScan seismic interpretation platform. Terms weren’t disclosed.

Seismic interpretation is the step where geoscientists turn a seismic survey (essentially, 3D sound reflections from rock layers) into horizons, faults, and, ultimately, a geology-based view of what’s underground. Traditionally, that’s painstaking work: a geologist picks horizons line by line and fault by fault, taking weeks or months to work through a large survey.

Eliis’ PaleoScan creates a Relative Geological Time (RGT) model. Instead of picking one horizon at a time, PaleoScan computes a geological-time model directly from the seismic data, speeding up interpretation. Eliis has also worked with Chevron’s technologists to layer AI-assisted interpretation tools on top of RGT.

Bentley says hundreds of energy companies already use PaleoScan. Eliis also develops PaleoModel, a joint industry project that carries interpretations downstream into reservoir modeling and simulation.

I think it’s a great fit. Here’s why:

It fills a gap in the portfolio. Seequent historically focused on mining and has grown its capabilities through acquisitions. It started with Leapfrog, its implicit 3D geological modeling software, then added Geosoft’s Oasis montaj geophysics platform (gravity, magnetics, electromagnetics) by acquisition in 2018. What’s been missing is seismic interpretation, which is the dominant subsurface data type in the energy vertical. With Eliis, Seequent now covers geophysical data management, seismic interpretation, and geological modeling. Bentley’s other offerings can connect all of that to the engineering of whatever gets built on, in, or under the ground.

Seismic is moving beyond oil and gas. This, to me, is the most interesting part of the story. Seequent CEO Graham Grant pointed out in the press release that “lower cost seismic data acquisition and AI are expanding the adoption of seismic methods beyond oil and gas” and listed energy, mining, groundwater, brine mineral recovery and carbon storage as areas interested in seismic analysis. On its own, the 100-person Eliis would struggle to reach those mining, geothermal, and civil prospects, but with Seequent, it can leverage a ready-made channel.

Eliis gets a long-term home. I didn’t know about Eliis before today’s announcement, but I learned that Eliis sought and secured a private-equity investment from Arlane (fka Vespa Capital) in 2024. A sale to a strategic buyer that actually uses the technology as part of a larger portfolio is a far better outcome for customers than a sale to another equity buyer.

Seequent and Bentley grow their credibility and offering for energy customers and prospects. Eliis brings working relationships with Chevron, Petrobras, and others, strengthening Seequent’s energy business, where it often competes with deeply entrenched incumbents.

From what I understand, it’s practical AI. There’s so much AI noise in our PLMish/CAEish world right now. Eliis’ is the useful kind: machine learning applied to a specific, well-understood task that consumes a lot of expert hours, built on a structured geological model. Faster interpretation means more surveys get looked at, and that matters when seismic data can be acquired more cheaply and more often.

Finally, the deal strengthens Bentley’s infrastructure digital twin narrative. The subsurface is the biggest unknown on most infrastructure projects, and surprises down there can blow up schedules and budgets. Adding Eliis helps make Bentley’s case that engineering should start with a real understanding of what’s below the surface.

TL;DR. Seequent’s acquisitions follow a consistent, simple logic: assemble the tools needed to understand the subsurface, across industries, and connect them. Eliis adds the missing seismic piece at a time when cheaper acquisition and AI are making seismic relevant to mining, water, critical minerals, and carbon storage. It’s not splashy, but it makes sense and adds more value to Bentley’s overall portfolio.

Terms weren’t announced, but it sounds like the deal has already closed. We should learn more when Bentley announces results on Thursday.