Abstract
Abstract Using a computer solution of the equilibrium fracture height model, fracture height growth out of the treated zone is simulated by comparison of the closure stress of the upper and lower boundaries with the closure stress of the pay zone. Results from this model are compared to actual achieved fracture height measured from after-frac surveys on a diverse group of oil and gas wells. Pressure data are analyzed on a selected number of wells to demonstrate the effect of varying pore pressure on the model. Utilizing this data, correlations between log-derived rock stress and fracture height growth are developed which will allow accurate prediction of total fracture height and containment pressures.
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