Northern Alberta, Canada is the placement of a really large, wealthy oil sand field. The Athabasca oil sands are named for the Athabasca River, where the oil sands are easily seen from the river banks. One third of the world’s oil sands are found right here in Alberta, Canada and in Venezuela. The Athabasca oil sands discipline is exclusive in that the oil sands are situated very close to the floor and may be easily floor mined. This makes it a lot cheaper to mine, and makes Athabasca the main supplier of oil sands on the earth.
Oil sands are a strong type of oil often known as tar sands. They are made up of clay and sands that are covered in bitumen oil. Bitumen oil is so thick that it should be heated so as to make it stream. Therefore, oil sands are very thick and sticky. Oil sands include some water. This makes them sticky in the summer time and as strong as rock in the winter, when the water is frozen.
Strip mining is the simplest and most typical technique to mine for oil sands. To strip mine, we simply must dig a big pit. Then we are able to drive in big trucks and bulldozers to get the oil sands out of the bottom. We get the oil sands on to the trucks and then mix them with water. This helps break up the clumps and turn the oil sands right into a extra liquid substance referred to as slurry. Turning the oil sands into slurry makes it possible to transport by pipelines to a plant. At the plant, the oil is separated from the sand and the oil is distributed to a refinery for processing. Right here, the oil may be changed into artificial oil and other petroleum products.
When deeper sections of the oil sands fields are encountered, then strip mining is not actually an option. We need to go deeper to get to the oil sands. You’ll be able to see where this could create a problem, considering that the oil sands are very sticky and might be solid or near stable. To fight this problem, we are able to pump water into the bottom. Mixing the oil sands with the water turns it into slurry underground. Liquefied This makes it a lot simpler to extract by merely pumping it out. One other form of extraction is to pump oxygen into the reserve. The oxygen is ready on fireplace, in a managed style, and the bitumen is melted down to a liquid state. Then, the oil sands may be pumped out.
In some instances, we determine areas where oil sands are present by the tar pits that they will form on the surface. Tar pits are formed when the pitch and tar rise as much as the surface and separate from the sand. These pitch tar pits are well known for nearly completely preserving prehistoric animals that obtained trapped in them. The most well known tar pit is the La Brea tar pit in California. One other well-known tar pit is in Trinidad. This tar pit is the dimensions of a lake and may be up to two hundred and fifty ft deep. It’s believed to be located immediately over a fault line within the earth.
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