Shale Play Oil Production Keeps Growing as Companies Keep Looking Named after the town Eagle Ford in Texas, the Eagle Ford Shale lies through Texas from the Mexican border to East Texas. The shale play is around 50 miles in width and 400 miles in length and is a geological formation that has been gaining importance. The Cretaceous shale play has a higher than usual carbonate shale, up to 70% in the south. This high percentage of carbonate makes it easier for hydraulic fracturing as the brittleness is also higher. It produces more oil and natural gas than is traditionally found in shale plays.
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