The Canadian company will pay for an initial $70 million in well costs as well as its share of additional expenses for S-M-1166, where the Oz player is drilling its operated Bilby-1 well.
Last October the two partners agreed to a 35% farm in for blocks of S-M-1101, S-M-1102, SM-1037 and S-M-1165 with an option for the fifth.
Pacific Rubiales had already contributed a combined $110 million to earlier drilling of the first two wildcats, including the find at Kangaroo-1 and less-promising Emu-1.
"Karoon
