sands extraction tar

  • Fighting Tar Sands Expansion - The Understory - Rainforest ...

    Mar 19, 2019 · 2018 showed that stopping the expansion of tar sands infrastructure stops the expansion of extraction. The exodus from the tar sands of the supermajor oil and gas companies continued, with Total selling its Joslyn extraction project to Canadian Natural Resources for C$225 million. 10 The Alberta government moved to create new rail and refining ...

  • Oil sands - Wikipedia

    Oil sands, tar sands, crude bitumen, or more technically bituminous sands, are a type of unconventional petroleum deposit.Oil sands are either loose sands or partially consolidated sandstone containing a naturally occurring mixture of sand, clay, and water, saturated with a dense and extremely viscous form of petroleum technically referred to as bitumen (or colloquially as tar due to its ...

  • Environmental Impacts of Oil Sands Development in Alberta ...

    Mining is used for the bitumen that is closer to the surface (less than 75 metres), and drilling for in situ extraction is used when the bitumen is more than 75 metres deep. 3 Each extraction method presents its own challenges. As the rate and scale of oil sands development increases, concerns about the associated environmental impacts have grown.

  • Tar Sands in the United States: What You Need to Know ...

    Apr 10, 2012 · Tar sands are sedimentary rocks containing a heavy hydrocarbon compound called bitumen. They can be mined and processed to extract the oil-rich bitumen, which is then refined into oil. However, unlike the oil sands deposits in Canada, oil is not currently produced from tar sands on a significant commercial level in the United States.

  • Oil Sands/Tar Sands – Utah Geological Survey

    Oil Sands/Tar Sands. Utah tar sand deposits. Utah's oil sand resource is the largest in the United States. The deposits are located mainly in two areas of Utah: the Uinta Basin of northeastern Utah, and central southeastern Utah. ... bitumen extraction, and upgrading techniques may provide the necessary ingredients for the successful and ...

  • Canada's Tar Sands: The most destructive project on Earth ...Click to view on Bing7:50

    Nov 26, 2013 · Canada's Tar Sands is the third-largest proven crude oil reserve in the world behind Saudi Arabia and Venezuela. In 2011 it was believed the reserve amounted to 170.2 billion barrels of oil, or ...