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- Hello everyone! I'm natural gas, and I'm here to talk to you about one of the best fossil fuels around.
- Today, I'll go over how I'm formed, extracted, and used in the production of electricity.
- First, I start forming when organisms (mostly aquatic) die and fall to the sea floor. They begin to decay as rock layers form over the dead organisms.
- With time and pressure, the dead organism are converted to oil, which, when put under more pressure for a longer period of time, converts to me, Natural Gas.
- NG is then extracted through a process called hydraulic fracturing (or fracking). A well is drilled vertically down, then drilled horizontally into the semi-permeable rock layers. Then, the NG is released through the use of a perforating gun which uses pressurized water to crack the rock.
- After the rock is cracked, fracking fluid is pumped in to push the NG out. It is then collected and shipped at the surface. Flow-back water (used fracking fluid) also comes back out to the surface.
- However, there are some environmental consequences to the extraction of NG. The obvious ones are habitat loss (to clear area for extraction) and GHG production (from machinery).
- But there is also consequences with the flow-back water used for extraction. The water is contaminated, so they must store it in ponds or containers. However, there is a possibility of the water leaking or overflowing from the ponds and contaminating nearby water sources.
- So some companies will pump the water back into the ground, but this can lead to an increase in seismic activity.
- Now, you're probably wondering, what do we do with NG?
- Well, Natural Gas is burned like every other fuel source is to generate electricity. It follows the same process of combustion to generate heat, to heat up water, to produce steam, to spin turbine, to power generator to generate electricity.
- I'm the cleanest fossil fuel, as I produce the least amount of CO2 and produce no particulate matter, unlike coal.
- And although coal may be used more than me, I'm better than it, and here's why:
- Thank you for joining me in learning about who I am and where I come from. See you next time!
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