Introduction. A. Reservoir and Well Considerations. B. Rock Mechanics. C. Fracturing Fluids and Proppants. D. Fracture Calibration Treatments. E. Design and Modeling of Propped Fractures. F. Evaluation of Treatments and Postfracture Performance. G. Design of Matrix Treatments. H. Diversion and Treatment Evaluation. I. Design and Performance of Acid Fractures. J. Stimulation of Horizontal Wells. P. Practical Considerations for Fracture Treatment Design. Nomenclature.