Analysis Of Eagle Ford Shale Play

2337 Words Oct 27th, 2014 10 Pages
Eagle Ford Shale Play

Introduction

Since the beginning of the oilfield in the United States, Texas has been one of the leading states in this industry. In 1866, Lyne T. Barret drilled the first producing oil well at Melrose in Nacogdoches County [7]. From here, more wells were brought in, but the big Texas oil revolution began at a well-called Lucas No. 1. It was here, In Spindle top, Beaumont, where Capt. Anthony F. Lucas drilled the well that would produce 94 percent of the state’s production at the time and produce more than 17 million barrels of oil [7]. Now, 114 years later, Texas has given up another oil field play that will revolutionize the industry. This play is named Eagle Ford Shale. Figure 1 shows where the shale outcrops near the Dallas Ft. Worth metroplex area. PetroHawk drilled the first well in 2008 in La Salle County. The well produced 7.6 million cubic feet of gas per day [7]. This well was a horizontal well with 10 different fracked stages in the shale. The Eagle Ford shale is a shale play that is unlike the conventional shale plays found across the globe. It produces oil, condensate, and dry gas across its different reservoirs. The Texas Railroad Commission marks it as shale containing a much higher carbonate shale percentage then other shale plays. It contains up to 70 percent of shale-carbonate in some parts of its formations. Shale that contains such a high percentage of carbonate makes them very brittle and great candidates for hydraulic…

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