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Managing CO2 emissions
Greenhouse gas emissions from oil sands are about 4-23% higher than the average crude refined in the United States. This is on a “wells-to-wheels” basis, meaning it accounts for emissions produced during crude oil extraction and processing (including fuel consumed in crude production and processing facilities), distribution and combustion (when the fuel is used by the consumer).
From increasing energy efficiency in our operations to fuel technology advancements to educating customers on ways to consume fuel more efficiently, Shell is focused on reducing greenhouse gas emissions (GHGs) at all stages of the energy life cycle – from the mine to the motorist.
Shell continues to invest in technology development and knowledge sharing to identify promising opportunities. This includes leveraging the deep technical expertise within Shell globally, as well as collaborative industry initiatives like Canada’s Oil Sands Innovation Alliance (COSIA), to work on reducing GHGs in oil sands.
Life cycle CO2 emissions from different crudes
In our oil sands operations in Canada we have taken measures to save energy through use of heat integration design and by installing co-generation facilities in both our mining and upgrading operations. These use waste heat and excess steam for power generation, reducing the demand for power from the local grid.
Carbon capture and storage
Shell’s Quest capture carbon and storage project in Canada became fully operational in November 2015, and is designed to capture a million tonnes CO2 per year from the Scotford Upgrader and store it deep underground.
Quest will serve as a model for advancing and deploying more carbon capture and storage (CCS) facilities in other industrial settings. The experience and lessons learned from Quest will be crucial to reducing the time and cost of advancing new CCS projects worldwide.