Question: . A well is being drilled at 13,000 ft using an 12.5 lbm/gal mud when a permeable formation with a pressure of 8,000 psig is

. A well is being drilled at 13,000 ft using an 12.5 lbm/gal mud when a permeable formation with a pressure of 8,000 psig is cut by the bit. a) If fluid circulation is stopped, what hydrostatic pressure will be exerted by the mud against the permeable formation? b) Will the well flow if the blowout preventers are left open? Why?

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