Analyse Des Tendances Des Paramètres Pétrophysiques Du Réservoir Cambrien De La Zone 7 -champ De Hassi Messaoud – Sud Algérien–

Résumé: The Hassi Massoud field is located at 650 km southeast of Algiers; 80 km east of Ouargla, This field is one of the largest oil fields in the world. The Area 07 is a part from this field, located in the northwest of the field and it is the subject of this study which has its objective consists on a typology study of the Cambrian reservoir, using statistical and geostatistical methods. The geological cross-sections that were carried out on the reservoir of this area allowed the description of the geometry of the various layers of the reservoir, which shows an dip angle toward the direction of central north-east-south-west axis. The univariate statistical analysis allowed the petrophysical description of the different strata and highlighted that D1 and D2 were the best in term of petrophysical characteristics. The main component (ACP) shows that F1 factor controls the petrophysical properties and on this factor a classification of the samples can be performed. The results of the AFD analysis show that the division is well done in almost of wells. Porosity and permeability maps were plotted by 100 * 100 m mesh using the estimation of Kriging method. This last is based on the construction and fitting of variogramms. This cartography displays that the northern part of this area shows the petrophysical characteristics. The overall results can be used to project new drilling operations or to improve reservoir productivity.

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