Controlling steam distribution

摘要: An enhanced oil recovery technique includes the predetermination of a desired steam distribution within flood pattern, which preferably is proportional to volumes in place various sectors an area subsurface formation. These are associated with producing wells pattern. Initial then determined. Subsequently, one or more has its production rate modified so that final formation will closely approximate predetermined preferred distribution. A for stimulating from given well steps initially notching and initiating small unpropped fracture adjacent well, perforating over entire depth formation, subsequently creating larger propped at same location after it been determined natural flow toward particular not as great desired.