4.18. Because of the importance of getting the reserves correct on the Little Yellow Jacket 6-1 your company has decided to shut in the well periodically and estimate average reservoir pressure. The following well has not been returned to prod The after the last shut in while they wait for your latest estimate for remaining reserves. You estimate that the average reservoir pressure at abandonment will be 750 psia. Z will be 0.880 at that pressure. a) What is your estimate of OGIP? b) What is the estimated Recovery Efficiency? c) Based on the material balance, what is your estimate of Gross EUR? 4.18. Because of the importance of getting the reserves correct on the Little Yellow Jacket 6-1 your company has decided to shut in the well periodically and estimate average reservoir pressure. The following well has not been returned to prod The after the last shut in while they wait for your latest estimate for remaining reserves. You estimate that the average reservoir pressure at abandonment will be 750 psia. Z will be 0.880 at that pressure. a) What is your estimate of OGIP? b) What is the estimated Recovery Efficiency? c) Based on the material balance, what is your estimate of Gross EUR