Clifford Chance and Linklaters have the lead roles on Singaporean oil and gas company Pavilion Energy Pte. Ltd.’s proposed $1.3 billion acquisition of a minority stake in three offshore natural gas blocks in Tanzania from London-based Ophir Energy Plc.

Pavilion, which is wholly owned by Singaporean sovereign wealth fund Temasek Holdings (Private) Ltd., is buying a 20 percent interest in Blocks 1, 3, and 4 in order to expand its sourcing for liquefied natural gas, according to a company statement. Ophir currently holds a 40 percent interest in those blocks.