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Message: <blockquote data-quote="dean nelson" data-source="post: 198848" data-attributes="member: 1305"><p>Fracking it pretty straightforward you send the missile down there to perf the casing every few yards which causes small cracks to form in the immediate formation around the charge. Then you start slamming water down hole and with the fact that fluids can't be compressed you're left with one of two options either the rock will start breaking or you're going to launch the well string back out the hole... seen both happen and the later gets a wee bit spooky (never had a full blow out but did manage to lift 4 miles of pipe 10 ft into the air all while listing the sound of the main boss over the radios screaming at the top of his lungs for everyone to run)!. Then pump your send and water into the blender then mix them together with your chemicals to make a goo slime sort of substance that keeps the sand from settling out and pump her down hole. Once done the chemicals quickly breakdown and flow back out the hole and the sand is left behind to keep the formation from clamping back shut once the pressure comes off. Needless to say that an insanely simplified version of it and it has all sorts of variations and I'm sure they do it completely different now than when we were doing it back in the mid 2000's. But back then we were basically making it up as we went along so we did all sorts of crazy things from going as far as having two full Frac teams on one well trying to complete the fract in less than 3 hours to what at least last time I checked was the normal way now which is multiple-day multiple-stage fracks. If I remember right there are five layers in the bakken with the three in the middle being what they refer to as the middle play. Think it's something like a 110 feet from the top of the top layer to the bottom of the lower play with three forks just below that.</p></blockquote><p></p>

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