speed bump

Chevron's $53B acquisition of Hess Corp. sees hiccup

Chevron has a new speed bump on the road to a big acquisition. Photo via Chevron

Chevron warned Monday that its pending $53 billion acquisition of Hess may be in jeopardy because it will require the approval of Exxon Mobil and a Chinese national oil company, which both hold rights to development of an oil field off the coast of the South American nation Guyana.

The disclosure in a filing with the Securities and Exchange Commission raised investor qualms, depressing shares of both Chevron and Hess. Chevron's stock price fell 3% Tuesday morning before rebounding; Hess stock lost 4% of its value but bounced back slightly.

Chevron's acquisition of Hess would add this major oil field in Guyana as well as shale properties in the Bakken Formation in North Dakota. Guyana is a country of 791,000 people that is poised to become the world’s fourth-largest offshore oil producer, placing it ahead of Qatar, the United States, Mexico and Norway. It has become a major producer in recent years, with oil giants including Exxon Mobil, China’s CNOOC, and Hess squared off in a heated competition for highly lucrative oil fields in northern South America.

Chevron said it's been engaged in discussion with Exxon and CNOOC, aka China National Offshore Oil Co. Both companies hold rights of first refusal for decisions regarding the oil field in question, known as the Stabroek Block. Exxon Mobil operates the Stabroek Block and holds 45% interest. Hess holds 30% interest, and CNOOC holds the remaining 25% interest. Production capacity at the field is expected to reach more than 1.2 million barrels per day by the end of 2027, Exxon said in November.

If those discussions and subsequent arbitration fail to set aside those first refusal rights, Chevron said, “the merger would not close.”

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A View From HETI

Researchers from Rice University say their recent findings could revolutionize power grids, making energy transmission more efficient. Image via Getty Images.

A new study from researchers at Rice University, published in Nature Communications, could lead to future advances in superconductors with the potential to transform energy use.

The study revealed that electrons in strange metals, which exhibit unusual resistance to electricity and behave strangely at low temperatures, become more entangled at a specific tipping point, shedding new light on these materials.

A team led by Rice’s Qimiao Si, the Harry C. and Olga K. Wiess Professor of Physics and Astronomy, used quantum Fisher information (QFI), a concept from quantum metrology, to measure how electron interactions evolve under extreme conditions. The research team also included Rice’s Yuan Fang, Yiming Wang, Mounica Mahankali and Lei Chen along with Haoyu Hu of the Donostia International Physics Center and Silke Paschen of the Vienna University of Technology. Their work showed that the quantum phenomenon of electron entanglement peaks at a quantum critical point, which is the transition between two states of matter.

“Our findings reveal that strange metals exhibit a unique entanglement pattern, which offers a new lens to understand their exotic behavior,” Si said in a news release. “By leveraging quantum information theory, we are uncovering deep quantum correlations that were previously inaccessible.”

The researchers examined a theoretical framework known as the Kondo lattice, which explains how magnetic moments interact with surrounding electrons. At a critical transition point, these interactions intensify to the extent that the quasiparticles—key to understanding electrical behavior—disappear. Using QFI, the team traced this loss of quasiparticles to the growing entanglement of electron spins, which peaks precisely at the quantum critical point.

In terms of future use, the materials share a close connection with high-temperature superconductors, which have the potential to transmit electricity without energy loss, according to the researchers. By unblocking their properties, researchers believe this could revolutionize power grids and make energy transmission more efficient.

The team also found that quantum information tools can be applied to other “exotic materials” and quantum technologies.

“By integrating quantum information science with condensed matter physics, we are pivoting in a new direction in materials research,” Si said in the release.

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