PAD Forecast Segment
Production Decline Analysis table contains the information of an entire forecast. Such as what entity is analyzed, it can be a well, wellbore, completion, reservoir, or production zone, and depends on the use case. What scenario of this forecast belonging to, the method used.
The forecast itself may be made up of one or more segments. Generally, a segment covers a portion of the decline forecast based on a single set of decline curve parameters, such as initial rate, decline rate. Where the forecast shifts abruptly due to planned changes in operating condition, a second decline segment is used.
Figure 1. PAD Forecast Segment
(The image is from PPDM)