Prior to the commencement of FUPRE dry gas reservoir production with a gas gravity of 0.69 and a reservoir temperature of 120 ͦ F. It was observed that the initial reservoir pressure was not...

Prior to the commencement of FUPRE dry gas reservoir production with a gas gravity of 0.69 and a reservoir temperature of 120 ͦ F. It was observed that the initial reservoir pressure was not determined and the field has 6 years of production history as shown in the table below.

Determine the following:

I. Initial reservoir pressure

II. Initial gas in place

III. What will be the average reservoir pressure at the completion of a contract calling for 25MMcuft/day for 6 years in addition to the 9451MMscf produced to the sixth year?