overheard

4 Houston energy execs sound off on future workforce, collaboration, and more at OTC

In a series of fireside chats, Houston energy leaders took the stage at OTC to discuss what their companies are doing in the energy transition space. Photo via LinkedIn

In addition to the massive exhibit floor, networking, and panels, the 2024 Offshore Technology Conference hosts thoughtful fireside chats with energy leaders throughout the ongoing conference taking place in Houston this week.

Four energy leaders from Houston took the stage to discuss what their companies are doing within the energy transition. Take a look at what topics each of the conversations tackled.

Chris Powers, vice president of CCUS at Chevron New Energies, on energy evolution and collaboration

Chris Powers introduced Chevron New Energies, an organization within Chevron that launched in 2021, to the crowd at OTC, describing the entity's focus points as CCUS, hydrogen, offsets and emerging technology, and renewable fuels — specifically things Chevron believes it has the competitive advantage.

One of the things Powers made clear in his fireside chat is that it's not going to be one, two, or even three technologies to significantly move the energy transition along, "it's going to take all the solutions to meet all the growing energy needs," he said.

And, he continued, this current energy transition the world is in isn't exactly new.

"We've been evolving our energy supply since the dawn of man," he said. "Our view is that the world has always been in an energy evolution."

"Hydrocarbons will continue to play a huge role in the years to come, and anyone who has a different view on that I think isn't being pragmatic," he continued.

Chevron has played a role in the clean energy market for decades, Powers said, pointing out Chevron Technology Ventures, which launched in the 1990s.

"No one can do this alone," he said, pointing specifically to the ongoing Bayou Bend joint venture that Chevron is working on with Equinor and TotalEnergies. "We have to bring together the right partners and the right skill sets."

Celine Gerson, group director, Americas, and president at Fugro USA, on the importance of data

Celine Gerson set the scene for Fugro, a geo data and surveying company that diversified its business beginning in 2015 to account for the energy transition. From traditional oil and gas to renewables, "it starts with the geo data," she said during her chat. She said big projects can't map out their construction without it, and then, when it comes to maintaining the equipment, the geo data is equally important.

Another message Gerson wanted to convey is that the skill sets from traditional offshore services translate to renewables. Fugro's employee base has evolved significantly over the past few years, and Gerson said that 50 percent of the workforce was hired over the past five years and 85 percent of the leadership has changed in the past seven.

Agility is what the industry needs, Celine Gerson said, adding that the "industry need to move fast and, in order to move fast, we need to look at things differently.

Attilio Pisoni, CTO of oilfield services and equipment at Baker Hughes, on the future workforce

In addition to the world making changes toward sustainability, the energy industry is seeing a workforce evolution as well, Attilio Pisoni said during his fireside chat, adding that inspiring a workforce is key to retention and encouraging innovation.

"We have a challenge in attracting young people," Pisoni said. "To be successful, you have to have a purpose."

That purpose? Combating climate change. And that, Pisoni said, needs to be able to be quantified. "As a society over all, we need to have a standard of measurement and accuracy in reporting," he said.

To future engineers, Pisoni emphasized the importance of learning outside your specific niche.

"Having seen where the world is now, whatever you study, have a concept and understanding of the system as a whole," he said.

Erik Oswald, vice president of advocacy and policy development at ExxonMobil Low Carbon Solutions, on transferable skills from upstream

When he looks at renewables and new energy, Erik Oswald said he sees a significant similarity for the talent and skill sets required in upstream oil and gas.

"A lot of the same skills are coming into focus" within the energy transition," Oswald said, specifying CCS and upstream.

Even in light of the transferrable workforce, the industry faces needs to grow its workforce in a significant way to keep up with demand — and keeping in mind the younger generations coming onto the scene.

"We're talking about recreating the entire oil and gas industry," Oswald said on preparing the workforce for the future of the energy industry. "We have to do it, it's not an option."

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A View From HETI

A team of Rice University researchers has found a way to convert data center waste into clean power using rooftop solar collectors. Photo courtesy Rice University.

As data centers expand, their energy demands rise as well. Researchers at Rice University have discovered a way to capture low-temperature waste heat from data centers and convert it back into usable power.

The team has introduced a novel solar thermal-boosted organic Rankine cycle (ORC)—a power system that uses a safe working fluid to make electricity from heat. The design incorporates low-cost rooftop flat-plate solar collectors, which warm the data center’s coolant stream before it enters the ORC. The findings, published in Solar Energy, show that the additional “solar bump” helps surpass the technical roadblocks with data center waste, which has typically been too cool to generate power on its own.

The research was supported by the Alliance for Sustainable Energy LLC, the National Renewable Energy Laboratory and the U.S. Department of Energy.

“There’s an invisible river of warm air flowing out of data centers,” Laura Schaefer, the Burton J. and Ann M. McMurtry Chair of Mechanical Engineering at Rice and co-author of the paper, said in a news release. “Our question was: Can we nudge that heat to a slightly higher temperature with sunlight and convert a lot more of it into electricity? The answer is yes, and it’s economically compelling.”

Traditionally, electric heat pumps have been used to raise temperatures before recovery, but the benefits were limited because the pumps consumed significant extra power.

Kashif Liaqat, a graduate student in mechanical engineering at Rice, and Schaefer achieved a "temperature lift” by using solar energy to create thermoeconomic models. They modeled affordable, low-profile rooftop solar collectors that fed into an ORC and tied into a liquid-cooling loop. The collectors were validated against industry tools and tested at some of America’s largest data center hubs in Ashburn, Virginia, and Los Angeles, which provided varying climate challenges.

The system recovered 60 percent to 80 percent more electricity annually from the same waste heat, with a 60 percent boost in Ashburn and an 80 percent boost in Los Angeles, according to Rice. It also achieved over 8 percent higher ORC efficiency during peak hours, and an increase in annual average efficiency. The approach also lowered the cost of electricity from the recovered power by 5.5 percent in Ashburn and by 16.5 percent in Los Angeles.

“What the industry considers a weakness becomes a strength once you add solar,” Liaqat said in a news release. “That’s great news for modern data centers.”

Next up, the team will look to pilot its hybrid system in operational sites and explore thermal storage, which the researchers hope could bank solar heat during the day to assist with energy recovery efforts at night.

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