L’interprétation Des Essais De Puits Horizontaux Au Champ De Hassi Messaoud
Résumé: The interpretation of this test determines petrophysics reservoir parameters (permeability and damage factor) and their static or medium pressure and allows eventually determine the model of the well, reservoir and borders. The main objective of this study is to apply the techniques of a well test, the test back pressure (build up) on horizontal wells in Hassi Messaoud field by using SAPHIR KAPPA software. In our study we found that in the interpretation of horizontal well testing is very complicated and it comes back to the presence of several different flow regimes, note that these can be masked by the wellbore storage and the phenomenon separation of the fluids in the case of surface fastener. Thus we found to the problem of history well is not accurate. To overcome the above problems some solutions have been proposed: The decrease in wellbore storage by the manhole covers at the bottom instead the closure surface and the accuracy of the flow rate measuring operations.
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