Figure 15. Future potential by sequence stratigraphic package, onshore Gulf of Mexico, Lower coastal province, Texas (n=32 plays).  Inset shows cumulative production by sequence set or systems tract type. Data from Kosters et al. (1989) and Seni et al. (1994) but interpretation by the authors as to systems tract/sequence set . Modified from Snedden et al. (1996b). TCFG=Trillion cubic feet of gas.