Sonoro Energy Ltd. engages in the discovery, assessment, development, and... Sonoro Energy Ltd. engages in the discovery, assessment, development, and production of petroleum and natural gas resources across Southeast Asia. The company's portfolio includes a 25% stake in the Selat Panjang Production Sharing Contract, an agreement that encompasses roughly 940 square kilometers within Central Sumatra's Riau province. Established in 2000, the firm adopted its current name, Sonoro Energy Ltd., in July 2010, having previously been known as Sonic Technology Solutions Inc. Its main office is situated in Calgary, Canada.