Black Stone Minerals has announced plans to acquire mineral and royalty assets from Noble Energy for $340 million.

Five firms landed a piece of the work on Black Stone Minerals‘ $340 million acquisition of mineral and royalty assets from Noble Energy and related transactions.

Porter Hedges represented Houston-based Black Stone Minerals in the acquisition, which was announced Nov. 27, and Vinson & Elkins represented the company in connection with a private placement to help fund the acquisition. Gibson, Dunn & Crutcher represented an affiliate of The Carlyle Group, which invested $300 million in Black Stone convertible preferred units through the private placement. Andrews Kurth Kenyon represented the lead placement agents, Bank of America Merrill Lynch and Barclays. Thompson & Knight advised Pivotal Petroleum Partners of Dallas on a farmout transaction with Black Stone announced at the same time as the acquisition.

Noble turned to V&E for the acquisition.

On Nov. 27,  Black Stone announced a definitive agreement to acquire the mineral and royalty assets, which are located in part in the greater Permian Basin, from subsidiaries of Noble, also based in Houston. To raise most of the $340 million purchase price, Black Stone issued $300 million in Series B Cumulative Convertible Preferred Units to an affiliate of The Carlyle Group.

On Nov. 21, Black Stone entered into a farmout agreement with Pivotal Petroleum Partners, a portfolio company of Tailwater Capital, that covers most of the partnership’s remaining working interests in the Shelby Trough area of East Texas.

At Porter Hedges, partner James Thompson of Houston led the deal team for Black Stone, with assistance from Houston partners Corey Brown and Jim Reardon and associates Scott Muehlberger and Maggie Phipps.

V&E partners Brenda Lenahan and Mike Rosenwasser, both of New York, represented Black Stone on the private placement.

The Gibson Dunn deal team for The Carlyle Group was led by corporate partner Gerald Spedale of Houston, with assistance from senior associate Harrison Tucker of Houston and associate Danny Nordstrom of Denver. Others involved included finance partner Shalla Prichard, oil and gas partner Mike Darden and tax partner James Chenoweth, all of Houston.

At Andrews Kurth, the team, all in Houston, that represented the lead placement agents included partner Michael O’Leary, Thomas Ford, Allison Mantor and Matt Grunert, and associates Taylor Landry, Mike Hoffman, Erin Juvenal, Amanda Thienpont, Oliver Fankhauser and Jocelyn Tau.

Pivotal Petroleum’s deal team from Thompson & Knight was led by partner Robert Dougherty III of Dallas and also included partners J. Holt Foster, Kurt Summers and Brandon Bloom, all of Dallas, and associates Kelli Sims of Houston and Tony Johnston, Emily Semands, Christina Collins Sanders and Kathleen Gerber, all of Dallas.