Arnold & Porter

Arnold & Porter represents leading participants across the oil, gas, LNG, and petrochemicals value chain, advising upstream, midstream, and downstream operators; oilfield service companies; private equity sponsors; and other stakeholders on a broad range of complex disputes. The team handles breach of contract claims, pipeline and plant delivery interruptions, personal injury and environmental litigation, EPC and green energy matters, as well as disputes involving refineries, petrochemical facilities, power plants, and offshore drilling. Alongside strong trial capabilities, the group emphasizes proactive risk management and alternative dispute resolution to resolve issues early and minimize exposure. Co-head Ryan Hartman frequently represents companies and executives in lawsuits, arbitrations, and regulatory investigations. Thomas Kruse brings deep experience in complex commercial, contractual, and engineering disputes across the sector. Colin O’Brien adds substantial courtroom and arbitration experience, coupled with strategic pre-litigation counseling for major energy clients.