Propped Fracture Dimension Determination based on Parent/Child Well Interactions

A method for determining propped fracture dimensions for a parent well includes hydraulic fracturing a stage of a child well to form a child well fracture, as well as, during the hydraulic fracturing process, measuring, via the parent well, data that are indicative of the formation of a hydraulic connection between the wells via interaction between the wetted front of the child well fracture and the propped region of a corresponding parent well fracture. The method includes measuring TFR (or VFR) data corresponding to the formation of the hydraulic connection between the two wells. The method includes estimating a child well fracture dimension when the hydraulic connection was formed using the TFR data, in combination with a fracture growth profile, and estimating a propped fracture dimension of the parent well fracture based on the estimated dimension of the child well fracture and the distance between the wells at that stage.