37. If the material below the sandstone of problem 26 is a shale with E-31.2 x 1

Question

37. If the material below the sandstone of problem 26 is a shale with E-31.2 x 10 N/m2, Poisson's Ratio 0.3, and a density of 2650 kg/m2, what is the reflection coefficient of the interface between the shale and sandstone?? a. 0.078 b. -0.225 c. -0.311 d. 0.179 e. None of the above 8. What is the most common well type used to produce natural gas from the Barnett Shale at DFW Airport? a. Vertical wells b. Disposal wells C. Individual horizontal wells d. Multiple horizontal wells from a single drilling pad e. None of the above 39. Why is fracking necessary to produce natural gas from the Barnett Shale in the DFW area? a. Fracturing breaks the Barnett Shale seal providing access to sandstone reservoir b. Fracturing reduces the permeability of the Barnett Shale c. Fracturing increases the permeability of the Barnett Shale d. Fracturing permits the natural gas to be absorbed in the fracking fluids e. None of the above 40. What is the source rock in the East Texas Oil Field? a. b. c. d. e. Barnett Shale Morrison Formation Eagle Ford Shale Woodbine Sandstone None of the above 1. Which of the following describes processes that formed Guadalupe Peak in West Texas? a. Formed by deposition of sediments rich in calcite b. Tectonic activity has been minimal in the area during the past 20 my c. The limestone was precipitated from sea water by marine organisms d. None of the above

Explanation / Answer

37. sorry sir it is related to 26 problem which is not shown here

38d

39c

40c

41c

41

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