September 10, 2025
Willkie represented EnCap Flatrock Midstream in the formation of and equity commitment in Aspen Midstream II.
Aspen Midstream II will pursue midstream infrastructure opportunities across North America, primarily targeting natural gas transmission and last-mile solutions to support unprecedented gas demand growth.
Headquartered in Dallas, Aspen Midstream is an independent energy company launched in 2017 to fill strategic voids in the midstream sector. Aspen Midstream creates value for producers by offering a full-service portfolio of midstream solutions. Capabilities include natural gas gathering, processing, compression, treating and transmission; NGL transmission; condensate stabilization; crude oil gathering and terminaling. Aspen is backed by EnCap Flatrock Midstream.
EnCap Flatrock Midstream provides value-added growth capital to proven management teams focused on midstream infrastructure opportunities across North America. The firm was formed in 2008 by a partnership between EnCap Investments L.P. and Flatrock Energy Advisors, LLC. Based in San Antonio with offices in Houston, the firm manages investment commitments of over $9 billion from a broad group of prestigious institutional investors. EnCap Flatrock Midstream is currently making commitments to new management teams from its latest flagship fund, EFM V.
The Willkie team was led by partners Sarah McLean and Robert Jacobson and associate Erin Kaufman.
Aspen Midstream II will pursue midstream infrastructure opportunities across North America, primarily targeting natural gas transmission and last-mile solutions to support unprecedented gas demand growth.
Headquartered in Dallas, Aspen Midstream is an independent energy company launched in 2017 to fill strategic voids in the midstream sector. Aspen Midstream creates value for producers by offering a full-service portfolio of midstream solutions. Capabilities include natural gas gathering, processing, compression, treating and transmission; NGL transmission; condensate stabilization; crude oil gathering and terminaling. Aspen is backed by EnCap Flatrock Midstream.
EnCap Flatrock Midstream provides value-added growth capital to proven management teams focused on midstream infrastructure opportunities across North America. The firm was formed in 2008 by a partnership between EnCap Investments L.P. and Flatrock Energy Advisors, LLC. Based in San Antonio with offices in Houston, the firm manages investment commitments of over $9 billion from a broad group of prestigious institutional investors. EnCap Flatrock Midstream is currently making commitments to new management teams from its latest flagship fund, EFM V.
The Willkie team was led by partners Sarah McLean and Robert Jacobson and associate Erin Kaufman.
