Analysis Of Eagle Ford Shale Play - 2337 Words

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†¦show more content†¦The pressure and temperature regimes are the driving factors that make this formation produce all the stages of hydrocarbons. This is why oil can be found on the shallower, northern portion of the formation and gas is developed as the formation head s south and becomes prevalent at deeper depths [2]. The discovery of the Eagle Ford was made possible by oil companies being able to drill horizonatl wells and being able to implement the method of hydraulic fracturing. Horizontal wells and fracing is not a common practice in the oilfield, but everyone related shale as being an impermeable rock that was used as boundaries for oil and gas reservoirs. No one thought that the shale itself contained hydrocarbons of great abundance. Shale is great cooking pot for hydrocarbons because the impermeable material traps hydrocarbons in and the temperature and pressure cook the organic material until it becomes hydrocarbons that can be produced. With the big presence of hydrocarbons in the shale, being able to frac the rock in a horizonatl position, gave many companies the surface area needed to cover vast amounts of the formation and produce these hydrocarbons. Hydraulic fracturing is a process used in shale rock (especially in the Eagle Ford shale) where the rock is fractured at different stages of the wellbore to increase surface area and permeability throughout the rock. This technique is accomplished by pumpingShow MoreRelatedFracking : A Reliable Energy Solution1386 Words   |  6 Pagesis called shale. Shale is a sedimentary rock that forms when silt and clay-size mineral particles are compacted. We commonly call it mud and it is in a category of sedimentary rock known as mudstone. Shale is fissile and laminated. Laminated means it has many thin layers. Fissile means that the rock easily splits into thin pieces. Shale is found in many colors but those that are very dark or black contain oil and gas. Conventional drillers look for pools of oil and gas above shale rock. â€Å"TheRead MoreOil And Gas Industry : The United States Government Restricted The Export Of Domestically Produced Crude Oil1385 Words   |  6 Pagescurrent trend of independent EP companies shifting their projects towards North America n shale plays would be accelerated, as the economics would become too attractive in comparison to competing for international projects (Grande 2014). A large part of why the domestic supply has rocketed recently is because of the output from shale plays, primarily the Bakken in North Dakota and the Eagle Ford in Texas. Shale fields typically produce lighter oil, which leads into another point. 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