Heritage Oil Corporation has signed a production-sharing agreement (PSA) covering almost the entire Rukwa Rift Basin in western Tanzania. London Stock Exchange listed Heritage, which is operator with 100%, said the 18,920km2 block shared geological similarities with Uganda’s Albert Basin,where it enjoyed early exploration success, and it hoped to capitalise on its expertise there. The work programme will start shortly with the acquisition of 600km of new 2D seismic data, while 2,300km of 2D seismic from the 1980s will be reprocessed The PSA is divided into the 10,175km2 Rukwa North Basin and 8,745km2 Rukwa South Basin. Two wells were drilled on the acreage in the mid-1980s.