The second technological advancement was horizontal drilling. After operators drill the well, they curve it at a 90-degree angle. They then run it horizontally through the thin formation. The horizontal well can run for as long as two miles. Although some companies used horizontal drilling as early as 2004, it didn't become affordable until 2009. That's when Brigham Oil & Gas successfully split a single horizontal leg into 25. The company fracked each leg independently, providing a higher return on the investment.
Something like the example of the left of this image:From a UX perspective, which is better/easy/more-intuitive:The pros and cons for 1.
Shale Oil: Definition, Production, Fracking, Pros, Cons
Fracking is controversial for two reasons. First, it uses a lot of . Before drillers can extract the first drop of oil, of water. They also use hundreds of truckloads of other material. Unless the water is already on site, it must be trucked in. There it is stored in huge tanks before the fracking can begin. The composition of the fracking fluid is proprietary to each company.