A tilted gas sand encountered at 4,500 ft is known to have a pore pressure of...
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A tilted gas sand encountered at 4,500 ft is known to have a pore pressure of 2,700 psig. A well is to be drilled near the top of the structure, which is expected to penetrate the sand at 3,500 ft. The gas is known to have a density of 1.0 lbm/gal at reservoir conditions. Compare the mud density required to drill the second well safely with that of the first. Answer: p2=14.5+ Ibm/gal; pi =11.5+ lbm/gal. A tilted gas sand encountered at 4,500 ft is known to have a pore pressure of 2,700 psig. A well is to be drilled near the top of the structure, which is expected to penetrate the sand at 3,500 ft. The gas is known to have a density of 1.0 lbm/gal at reservoir conditions. Compare the mud density required to drill the second well safely with that of the first. Answer: p2=14.5+ Ibm/gal; pi =11.5+ lbm/gal.
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The sand height is 4500 ft The pore pressure of the sand is 2700 psig The penetration o... View the full answer
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