TECHICAL Series MATHEMATICS • INFORMATICS • PHYSICS Series PHILOLOGY Series ECONOMIC SCIENCES Sereies EDUCATIONAL SCIENCES Series LAW AND SOCIAL SCIENCES Series
A Research Study on Estimating the Performance of an Oil Reservoir with Active Aquifer
(Cercetări privind estimarea performanţei unui zăcământ de ţiţei cu acvifer activ)
Vol LIX • No. 2/2007
Ion Creţu, Eugen Mihail Ionescu, Aurelian Dobrescu
Universitatea Petrol-Gaze din Ploieşti, Bd. Bucureşti, 39, Ploieşti
e-mail: i_cretu@upg-ploiesti.ro

 Keywords   oil reservoir, active aquifer, cumulative water influx, oil recovery factor

 Abstract
Hydrocarbon reservoirs associated with aquifers having significant elastic expansion capacities can be managed so that high recovery factor values are obtained. To accomplish this task, it is necessary to recognize the action of the aquifer early in the reservoir's producing life, and also to properly estimate the water influx. This paper presents a procedure for calculating the performance of an oil reservoir with active aquifer and initial gas cap. The algorithm is illustrated by a case study.

 Rezumat
Zăcămintele de hidrocarburi asociate cu acvifere care dispun de capacităţi însemnate de destindere elastică pot fi exploatate astfel încât să se obţină valori mari ale factorului final de recuperare. Pentru aceasta este necesar, pe de o parte, să se identifice acţiunea acviferului în faza iniţială a exploatării zăcământului, iar pe de altă parte să se estimeze corect volumul cumulativ al apei de influx. Lucrarea prezintă o metodă de estimare a performanţei unui zăcământ de ţiţei cu cap de gaze şi acvifer activ.



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