8/28/2023 0 Comments Hampson russell software manual![]() ![]() A typical approach to AVO modeling, showing AVO synthetics and curves from the in-situ (top) and brine (bottom) cases after fluid replacement modeling.įigure 1 shows two synthetics which have been calculated from the same basic well log data. ![]() But a good starting point is shown in Figure 1. Of course, there are so many approaches to AVO these days that this is a little hard to pin down. The starting point of our analysis is what we can call “Traditional” AVO analysis. This paper describes a step in that direction. When we see an AVO anomaly, we shouldn’t say “AVO shows there is gas here.” We should say: “AVO (and other factors) say there is probably gas here.” In fact, it would be very nice if we could attach a believable numerical value to that probability. Predictions from AVO, as with all geophysical predictions, are really probability statements. Probably the biggest change that has come about is that geophysicists now realize that AVO is just one tool in the tool-box, providing a small but important addition to our knowledge of the prospect or reservoir. In this regard, it has come a long way from the early days when acceptance of the method oscillated wildly between excessive expectations and total rejection. AVO analysis has become a basic and accepted tool for both exploration and production. ![]()
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