More About Propane Fracking
The use of propane fracking is on the increase in the natural gas exploration industry. This type of procedure came about for several different reasons.
While hydro fracking has been around for 60 years and does an adequate job, the water that was used along with the slurry solution has to be segregated and not released back into the environment until it has been treated. This adds to the expense of using it. It also takes several days to get the well operational again because the slurry solution has to be drained in order to allow the natural gas to be expelled and collected.
The fracking procedure that uses propane reduces the length of time it takes to recover the slurry solution. This is because the propane is pumped in as a gel. Once under pressure, the gel changes state from a liquid to a gas. When the pressure is released, this gas travels out the bore head and is easily collected. This process generally takes less than 24 hours.
The separation of the propane from the natural gas is a process that already has to be done since there is a certain amount of propane present in natural gas. So the additional cost of this separation is minimal.
Because there is no water used in the process, the cost of the processing of the waste water is eliminated. There is also no chance of the propane contaminating any aquifer that the surrounding residents might be using as a source of drinking water. Since the propane is in a gel state, it is safe for handling and non explosive.
These are the simple advantages of using propane fracking over hydro fracking in the natural gas industry.
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This is a very interesting article; however two points are unclear: 1. you wrote “Once under pressure, the gel changes state from a liquid to a gas,” but is it not the opposite: under pressure a gas is converted to a liquid? 2. You wrote “There is also no chance of the propane contaminating any aquifer that the surrounding residents might be using as a source of drinking water.” Why is that?
Thanks!