ESCI 401 Lecture Notes - Lecture 33: Shale Gas, Petroleum Reservoir, Continental Shelf
4 Dec 2017
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Examples: oil, gas, coal, oil shales, tar sands, hydrocarbons -- compound consisting entirely of hydrogen and carbon, examples: i, petroleum: Polyester, fleece i. ii: crude oil variety of heavy liquid hydrocarbon, natural gas gaseous hydrocarbon compound that"s most compound, oil and natural gas are formed in marine environments commonly methane. The breaking apart of pangea helped created shallow seas and sedimentation in sedimentary basins: sedimentary basins are often on continental margins. Than oil and 40% less: reserves = proven, resources = suspected, natural gas burns more cleanly, and emits 30% less co 2 , shale gas = fine-grained sediments with organic matter than coal i. ii. Hazards: cracking the rocks in order to extract the gas, groundwater pollution, waste water disposal a. Induced seismicity: fracking = hydraulic fracturing, formation of coal. Continued burial and heating i. e. : bog or peat marsh.
