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Please show formulas and steps for A,B,C,D, and E. Thank you! 4-18. Because of the importance of getting the reserves correct on the Little Yellow

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Please show formulas and steps for A,B,C,D, and E. Thank you!

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 table contains the measurements. The well has not been returned to production 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. Gp, Mcf P, psia Z 0 4016 0.850 3995 0.848 3851 0.835 37,352 124,837 228,161 305,456 346,030 3732 0.824 3627 0.815 3641 0.816 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? d) Based on the material balance, what is your estimate of Gross Reserves as of today? e) What is your estimate of Reserves net to your company as of today? f) What PRMS Category and Reserve Status do you believe should be attached to the volumes you calculated in e) assuming we own the lease on the surrounding acreage? g) What conclusions can you draw from comparing your estimate for Gross EUR with the answer from problem 4-16? 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 table contains the measurements. The well has not been returned to production 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. Gp, Mcf P, psia Z 0 4016 0.850 3995 0.848 3851 0.835 37,352 124,837 228,161 305,456 346,030 3732 0.824 3627 0.815 3641 0.816 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? d) Based on the material balance, what is your estimate of Gross Reserves as of today? e) What is your estimate of Reserves net to your company as of today? f) What PRMS Category and Reserve Status do you believe should be attached to the volumes you calculated in e) assuming we own the lease on the surrounding acreage? g) What conclusions can you draw from comparing your estimate for Gross EUR with the answer from problem 4-16

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