Acid stimulations is one of the primary methods for improving productivity of oil, gas, injection and disposal wells. A properly designed and executed acid job can improve cash flow. Oil company and servie company. Author Leonard Kalfayan offers practical guidelines for acid treatment design by stressing a systematic approach to candidate selection, treatment design, as well as execution and evaluation for improvement in profits and productivity. In this concise guide readers can find practical, useful acidizing information and gain a greater understanding and appreciation of its benefits. Contents: Introduction to sandstone acidizing Six steps to successful sandstone acidizing Novel sandstone acidizing methods Sandstone acidizing in horizontal wells Acidizing in geothermal wells Introduction to carbonate acidizing Physics of carbonate acidizing Choosing the proper treatment Matrix acidizing Fracture acidizing Scale removal Oilfield and geothermal scales Methods for scale removal Safety at the job site Quality control Appendices.