""In our opinion, this is an underhanded attempt to pick the lock on the back door and get regulatory oversight over fracturing. As I have said earlier, this could easily stop 95 percent of North Dakota drilling for 18 to 24 months and slow it to half or less of current levels after that," said Lynn Helms, Bismarck, director of the N.D. Department of Mineral Resources."
http://www.minotdailynews.com/page/content.detail/id/560290/EPA-wan...
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The article is about regulating components of diesel fuel used in fracking. Can anyone tell me why diesel is used in fracking?
HANG,
The simple answer is: Diesel is not foreign to the formation. Its basically a light oil. Water, even Salt water is foreign in most shales. In some cases, with some shales water would or could cause heaving of the shale and plug the fractures. Diesel and even light crude oil can be used as the carrier of the sand.
The use of diesel was very common until recently, when hydraulic fracturing came under additional scrutiny. It has been replaced, in many cases, by petroleum distillates that are functionally similar to diesel. In think the original restriction was due to the presence of BTEX compounds in diesel.
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