Gibson, Dunn & Crutcher is representing Dallas-based InfraREIT in its pending $1.3 billion acquisition by Oncor Electric Delivery Co., which turned to Vinson & Elkins.

Hunton Andrews Kurth represents InfraREIT’s conflicts committee in the transaction, while Sempra Energy, Oncor’s majority equity owner, is using White & Case. Baker Botts represents another utility company involved in the transaction, Sharyland Utilities of Dallas.