Given that the weight of dry sample of limestone in air is $20\mathrm{.}0g,$ weight of pycnometer filled with mercury at $20C$ is $350\mathrm{.}0g$ and weight of pycnometer filled with mercury and sample at $20C$ is $)=(13\mathrm{.}546\frac{g}{c}c.$ Determine the sample bulk volume and porosity.

Calculate the initial oil$-$in$-$place $(N)$ in res. $bbl$ and $STB$ and initial gas in place, $G$ in $f{t}^3$ and