[Williams Companies in Talks for $5.5 Billion Acquisition of Momentum Midstream] According to a report by Jinse Finance on June 29, citing sources familiar with the matter, U.S. pipeline operator Williams Companies is in advanced negotiations to acquire rival natural gas pipeline operator Momentum Midstream for approximately $5.5 billion. The report states that the Tulsa, Oklahoma-based company is finalizing the details of an agreement to acquire Momentum from private equity firm EnCap Flatrock Midstream, adding that the deal could be announced within about a week. This transaction would provide Williams Companies with additional transportation capacity to deliver Haynesville shale gas to export terminals along the U.S. Gulf Coast. The report also notes that no final decision has been made, and EnCap may still choose to retain the company.