Legend Natural Gas IV has signed two definitive purchase agreements to acquire oil and gas-producing assets in the US for a total combined value of about $1bn.

Legend Natural will acquire Barnett Shale properties from Range Resources’ subsidiary for $900m, which includes 390 producing wells and a 210km² area.

The current production capacity of Barnett properties is 113mcfe per day, containing 86% gas.

The firm will also acquire a majority interest in the Samano and Santa Fe Vicksburg fields in Starr and Hidalgo counties from Smith Production for $99.2m.

The properties include 83 operated wells, which currently produce 8.8mcfe per day net, containing 65% gas and a 29km² area.

Riverstone / Carlyle Global Energy and Power Funds, a group of energy-focused private equity funds managed by Riverstone Holdings, will provide equity for the partnerships.