With the deal, Chevron gets access to one of the biggest oil finds of the decade. Photo via Chevron

Chevron has scored a critical ruling in Paris that has given it the go-ahead for a $53 billion acquisition of Hess and access to one of the biggest oil finds of the decade.

Chevron said Friday that it completed its acquisition of Hess shortly after the ruling from the International Chamber of Commerce in Paris. Exxon had challenged Chevron’s bid for Hess, one of three companies with access to the massive Stabroek Block oil field off the coast of Guyana.

“We disagree with the ICC panel’s interpretation but respect the arbitration and dispute resolution process,” Exxon Mobil said in a statement on Friday.

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.

Oil giants Exxon Mobil, China’s CNOOC, and Hess squared off in a heated competition for highly lucrative oil fields in northern South America.

With Chevron getting the green light on Friday, it is now one of the major players in the Stabroek.

“We are proud of everyone at Hess for building one of the industry’s best growth portfolios including Guyana, the world’s largest oil discovery in the last 10 years, and the Bakken shale, where we are a leading oil and gas producer,” former Hess CEO John Hess said in a statement. “The strategic combination of Chevron and Hess creates a premier energy company positioned for the future.”

Chevron also said that on Thursday the Federal Trade Commission lifted its earlier restriction, clearing the way for John Hess to join its board of directors, subject to board approval.

Chevron announced its deal for Hess in October 2023, less than two weeks after Exxon Mobil said that it would acquire Pioneer Natural Resources for about $60 billion.

Chevron said at the time that the acquisition of Hess would add a major oil field in Guyana as well as shale properties in the Bakken Formation in North Dakota.

“Given the significant value we’ve created in the development of the Guyana resource, we believed we had a clear duty to our investors to consider our preemption rights to protect the value we created through our innovation and hard work at a time when no one knew just how successful this venture would become,” Exxon Mobil said Friday. “We welcome Chevron to the venture and look forward to continued industry-leading performance and value creation in Guyana for all parties involved.”

Chevron's stock rose more than 3% before the market open, while shares of Hess surged more than 7%. Exxon's stock climbed slightly.

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

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

speed bump

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.”

Companies including Houston-based Chevron and Hess and BP, each with a Houston presence, offered bids. Photo via Getty Images

Houston oil companies offer $382M for drilling rights in Gulf of Mexico in last offshore sale before 2025

for sale

Last month, oil companies offered $382 million for drilling rights in the Gulf of Mexico on Wednesday after courts rejected the Biden administration's plans to scale back the sale to protect an endangered whale species.

The auction was the last of several offshore oil and gas lease sales mandated under the 2022 climate law. It comes as President Joe Biden’s Democratic administration tries to navigate between energy companies seeking greater oil and gas production and environmental activists who want to stop new drilling to help combat climate change.

Companies including Houston-based Chevron and Hess and BP, each with a Houston presence, offered bids on more than 300 parcels covering 2,700 square miles (7,000 square kilometers), according to the U.S. Department of Interior's Bureau of Ocean Energy Management.

The dollar amount of the successful bids marked a sharp increase from the previous sale in March 2023, when the Interior Department awarded leases covering about 2,500 square miles (6,500 square kilometers) for $250 million.

The next sale will be conducted in 2025, to the frustration of energy companies and Republicans who say the administration is hampering U.S. oil production.

Wednesday's online auction was originally scheduled for September but got delayed by a court battle after the administration reduced the area available for leases from 73 million acres (30 million hectares) to 67 million acres (27 million hectares) as part of a plan to protect the endangered Rice’s whale.

Chevron, Shell Offshore, the American Petroleum Institute and the state of Louisiana sued to reverse the cut in acreage and block the inclusion of the whale-protecting measures in the lease sale provisions.

A federal judge in southwest Louisiana ordered the sale to go on without the whale protections, which also included regulations governing vessel speed and personnel. Environmental groups appealed, but the New Orleans-based 5th Circuit Court of Appeals last month rejected their arguments against the sale and threw out the plans to scale it back.

The lease sale was required under a compromise with Democratic Sen. Joe Manchin of West Virginia, a supporter of the oil and gas industry who cast the deciding vote in favor of the landmark climate law. The measure was approved with only Democratic votes in Congress. Under the terms negotiated by Manchin, the government must offer at least 60 million acres of offshore oil and gas leases in any one-year period before it can offer offshore wind leases that are part of its strategy to fight climate change.

Only a small portion of parcels that are offered for sale typically receive bids, in areas where companies want to expand their existing drilling activities or where they foresee future development potential.

The administration in September proposed up to three oil and gas lease sales in the Gulf of Mexico over the next five years and none in Alaska waters. That was the minimum number the administration could legally offer if it wants to continue expanding offshore wind development.

Environmental groups criticized the five-year plan as a “missed opportunity” to stop the expansion of oil and gas drilling in the Gulf of Mexico and address climate change.

“New oil and gas operations (in the Gulf) will only bring more health risks to Gulf Coast communities and slow our transition to a clean-energy economy,'' said Earthjustice attorney Brettny Hardy.

The industry, meanwhile, said more sales are needed — and sooner.

“In our forward-thinking industry, securing new lease blocks is vital for exploring and developing resources crucial to the U.S. economy,'' said National Ocean Industries Association President Erik Milito. “The Gulf of Mexico is a prime economic engine and investment area, and this (lease sale) was the last chance for companies to secure leases in the near term.''

Holly Hopkins, API vice president of upstream policy, called Wednesday's sale "a "positive step after multiple delays,'' and noted that it generated the highest dollar value for bids in nearly a decade.

The results demonstrate that the oil and gas industry “is working to meet growing demand and investing in the nation’s long-term energy security,'' Hopkins said. “Just as today’s record U.S. production was supported by investment and policy decisions made years ago, new leasing opportunities are critical for maintaining American energy leadership for decades to come.''

The administration's clean-energy ambitions have been hampered by recent project cancellations including two large wind projects shelved last month off the New Jersey coast and the earlier cancellation of three projects that would have sent power to New England.

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6 must-attend Houston energy events in December 2025

Event Guide

Editor's note: The year is coming to a close, but there are still exciting energy events to attend in Houston this month. Mark your calendar now for pitch days, seminars, networking, and Reuters Energy LIVE 2025.

Dec. 4 — Resiliency & Adaptation Sector Pitch Day

Join innovators, industry leaders, investors, and policymakers as they explore breakthrough climate and energy technologies at Greentown Labs' latest installment of its Sector Pitch Day series, focused on resiliency and adaptation. Hear from Adrian Trömel, Chief Innovation Officer at Rice University; Eric Willman, Executive Director of the Rice WaTER Institute; pitches from 10 Greentown startups; and more.

This event is Thursday, Dec. 4, from 1-3:30 p.m. at the Ion. The Ion Holiday Block Party follows. Register here.

Dec. 8 — Pumps & Pipes Annual Event 2025

The annual gathering brings together cross-industry leaders in aerospace, energy and medicine for engaging discussions and networking opportunities. Connor Grennan, Chief AI Architect at the NYU Stern School of Business, will present this year's keynote address, "Practical Strategies to Increase Productivity." Other sessions will feature leaders from Cena Research Institute, NASA Ames Research Center, ExxonMobil, Southwest Airlines, and more.

This event is Monday, Dec. 8, from 8 a.m.-5 p.m., at TMC Helix Park. Register here.

Dec. 9 — Energy in Action Seminar

The Energy Transition Institute hosts a monthly Energy in Action Seminar focused on the digitization of the global energy transition. This month's topic is "Exploring AI’s Impact on the Fuels & Petrochemicals Industry," featuring speaker Leo Chiang, Senior Director of Corporate Technology at The Lubrizol Corporation. The event includes a one-hour talk followed by an hour of networking.

This event is Dec. 9 from 4-6 pm at the University of Houston.

Dec. 9-10 — Energy LIVE 2025

Energy LIVE is Reuters Events' flagship conference and expo that brings the full energy ecosystem together under one roof in Houston to solve the industry's most urgent commercial and operational challenges. The event will feature 3,000-plus senior executives across three strategic stages, a showcase of 75-plus exhibitors, and six strategic content pillars.

This event is Dec. 9-10 at NRG Park. Register here.

Dec. 11-12 — Fundamentals of The Texas ERCOT Electric Power Market

This two-day seminar provides a comprehensive overview of the structure, function, and current status of the Texas ERCOT ISO. Attendees will gain an understanding of the dynamic Texas wholesale and retail competitive markets, and learn how these markets interface with ERCOT ISO energy auctions and ISO operations. This two-day event will also address the rapidly expanding new market opportunities in Texas renewables, distributed generation, demand response, and demand side management, and more.

This event is Dec. 11-12 at the Courtyard Marriott Houston near the Galleria. Register here.

Dec. 9-11 — AST Conference & Trade Show

The 18th Annual National Aboveground Storage Tank (AST) Conference & Trade Show is the premier event for professionals in storage tank and terminal operations. Join industry leaders and experts for a three-day conference providing regulatory updates, technical insights, hands-on learning, and networking opportunities.

This event is Dec. 9-12 at The Woodlands Waterway Marriott. Register here.

Houston scientists develop 'recharge-to-recycle' reactor for lithium-ion batteries

reduce, recharge, recycle

Engineers at Rice University have developed a cleaner, innovative process to turn end-of-life lithium-ion battery waste into new lithium feedstock.

The findings, recently published in the journal Joule, demonstrate how the team’s new “recharge-to-recycle” reactor recharges the battery’s waste cathode materials to coax out lithium ions into water. The team was then able to form high-purity lithium hydroxide, which was clean enough to feed directly back into battery manufacturing.

The study has major implications for the electric vehicle sector, which significantly contributes to the waste stream from end-of-life battery packs. Additionally, lithium tends to be expensive to mine and refine, and current recycling methods are energy- and chemical-intensive.

“Directly producing high-purity lithium hydroxide shortens the path back into new batteries,” Haotian Wang, associate professor of chemical and biomolecular engineering, co-corresponding author of the study and co-founder of Solidec, said in a news release. “That means fewer processing steps, lower waste and a more resilient supply chain.”

Sibani Lisa Biswal, chair of Rice’s Department of Chemical and Biomolecular Engineering and the William M. McCardell Professor in Chemical Engineering, also served as co-corresponding author on the study.

“We asked a basic question: If charging a battery pulls lithium out of a cathode, why not use that same reaction to recycle?” Biswal added in the release. “By pairing that chemistry with a compact electrochemical reactor, we can separate lithium cleanly and produce the exact salt manufacturers want.”

The new process also showed scalability, according to Rice. The engineers scaled the device to 20 square centimeters, then ran a 1,000-hour stability test and processed 57 grams of industrial black mass supplied by industry partner Houston-based TotalEnergies. The results produced lithium hydroxide that was more than 99 percent pure. It also maintained an average lithium recovery rate of nearly 90 percent over the 1,000-hour test, showing its durability. The process also worked across multiple battery chemistries, including lithium iron phosphate, lithium manganese oxide and nickel-manganese-cobalt variants.

Looking ahead, the team plans to scale the process and consider ways it can sustain high efficiency for greater lithium hydroxide concentrations.

“We’ve made lithium extraction cleaner and simpler,” Biswal added in the release. “Now we see the next bottleneck clearly. Tackle concentration, and you unlock even better sustainability.