Sentences with phrase «horizontally drilled wells»
The number of earthquakes within central and eastern United States has increased dramatically over the past few years, coinciding with increased hydraulic fracturing of horizontally drilled wells, and the injection of wastewater in deep disposal wells in many locations, including Colorado, Oklahoma, Texas, Arkansas and Ohio.
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To reach the oil, it has had to drill horizontally up to 8 miles out below the seabed, setting one world record after another for the longest wells ever drilled.
Mitchell's approach involves drilling wells straight down, then taking a 90 - degree turn and continuing along horizontally through a layer of oil - soaked rock such as shale.
About the same proportion of wells drilled horizontally will make money as they did when they were drilled vertically.
After creating the typical vertical well, the process curves the drilling path horizontally to reach more gas from a single ground surface point.
This technique can be done by drilling vertically or horizontally into a rock layer, thereby releasing gas by creating new wells or expanding existing channels.