Canadian Oil Sands Trust 2006 Annual Report
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Syncrude Operations

Production of Sweet Blend

Step 1.0 Mining STEP 1.0: MINING
After removing the overburden – the rock, sand and clay material typically found above the oil sands layer – Syncrude’s fleet of trucks and shovels excavate the oil sand. The oil sand is subsequently mixed with water to create a slurry that is pumped to extraction facilities.
STEP 2.0: EXTRACTION STEP 2.0: EXTRACTION
Slurry from the mines is fed into the Primary Separation Vessels. There, bitumen floats to the surface as froth. The bitumen froth is diluted with naphtha and then fed into centrifuges that further separate the liquids and solids.
STEP 2.1: FROTH TREATMENT STEP 2.1: FROTH TREATMENT
In the final step of the extraction process, the naphtha is removed in the Diluent Recovery Units, leaving only pure bitumen.
UTILITIES UTILITIES
Syncrude’s utilities operations produce steam, electricity and air as well as treat the water required to run plant operations. Syncrude is self-reliant in electrical power generation and is a net exporter of electricity to the Alberta power grid.
STEP 3.0: UPGRADING STEP 3.0: UPGRADING
The bitumen is fed into either a Coker or the LC Finer where it is thermally cracked to produce hydrocarbon gases, naphtha and gas oil. The liquid products are conveyed to the hydroprocessing units for final clean-up.
STEP 3.1: SECONDARY UPGRADING STEP 3.1: SECONDARY UPGRADING
Hydrotreating is the final step in converting bitumen to synthetic crude oil. In the hydroprocessing units, hydrogen is used to remove sulphur and nitrogen compounds.
STEP 4.0: BLENDING/STORAGE STEP 4.0: BLENDING/STORAGE
The hydrotreated components are blended together, resulting in a sweet synthetic crude oil. The oil is then transported via pipeline to refineries throughout Canada and the U.S.
   
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