$$For$$the$$following$$gas$$reservoir$$offshore$$Louisiana$,?23$esti$-$mate$$the$$original$$gas$$in$$place$$and$$formation$$compressibilityusing$$the$$material$-$balance$$method$$for$$geopressured$$reser$-$voirs.$$In$$addition$,$use$$the$$material$-$balance$$method$$present$-$ed$$for$$a$$normally$$pressured$$gas$$reservoir$,$and$$compare$$theinitial$$gas$$estimates$$from$$both$$cquations$.$The$$plotting$$func$-$tions$$are$$tabulated$$in$$Table$10\mathrm{.}24.$