SEISMIC DATA USED TO PREDICT FORMATION PRESSURES

Nathan Stein Sans Co. Boston A new set of equations helps estimate formation fluid pressures and minimum fracture pressures in liquid-filled, overpressured, soft rock areas before any wells are drilled in the area. The calculation method uses reflection seismic data to make the estimates which should be helpful for the initial design of mud weight and casing programs. These equations are suited for soft rock areas containing layers of shale and friable sands, such as those in the Gulf Coast or

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