Through the responsible development of oil sands, Canada continues to play an increasingly important role in meeting the world's growing energy needs. It is a naturally occurring heavy oil sand (called asphalt) mixture of water and sand. Producers use or in-situ mining methods for the recovery of bitumen extraction, depending on the depth of reserves. To harvest site, the manufacturer injecting steam into an underground reservoir containing bitumen. Steam heating the asphalt and to reduce its strength, and to flow to generate. About 80% of Canada's oil sands reserves can be mined using in situ techniques. The remaining 20% of the shallow enough to be recovered by mining operations
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