An oil sample from Ares field was subjected to flash vaporization, differential and separator tests. Data from these PVT tests are summarized in the following TABLE 1 to 3 respectively.QUESTION 1Please find;i. Calculate the oil formation volume factor (Bo) at 3000 psig.ii. Determine the oil formation volume factor (Bo) at 900 psig.iii. Calculate the solution gas oil ratio, Rs (in scf/STB) at 3000 psig.iv. Determine the solution gas oil ratio, Rs (in scf/STB) at 900 psig.v. Calculate the total formation volume factors, Bt at 900 psig. TABLE 1: Flash VaporizationPressure (psig)Volume of fluid in PVTcell (cc)4000293.003000294.571800296.951650299.99TABLE 2: Differential VaporizationPressure (psig)Cumulative GasVolume of Oil in cellRemoved (cc)(at standard condition)(cc)1800227.661650382.28226.859003553.76218.758984.94185.00NOTE: The test was conducted at reservoir temperature Of 250 °F TABLE 3: Separator TestOil displaced from PVT cell|(1st stage separator at 212 psig and 71 °F)105 ccOil volume collected from the last separator stage95 cc(0 psig and 60 °F)Total volume of gas collected from separator and stock-tank3500 cc

Given :Table 1: Flash Vaporization dataTable 2: Differential Vaporization Table 3: Separator test

Answered: An oil sample from Ares field was…

Introduction to Chemical Engineering Thermodynamics

8th Edition

ISBN:9781259696527

Author:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart

Publisher:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart

Chapter1: Introduction

Section: Chapter Questions

Problem 1.1P

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Question

An oil sample from Ares field was subjected to flash vaporization, differential and separator tests. Data from these PVT tests are summarized in the following TABLE 1 to 3 respectively.

QUESTION 1

Please find;

i. Calculate the oil formation volume factor (Bo) at 3000 psig.

ii. Determine the oil formation volume factor (Bo) at 900 psig.

iii. Calculate the solution gas oil ratio, Rs (in scf/STB) at 3000 psig.

iv. Determine the solution gas oil ratio, Rs (in scf/STB) at 900 psig.

v. Calculate the total formation volume factors, Bt at 900 psig.