The article brings a new overview concerning a software application inside the metrology area -the calibration of the oil reservoirs, using the concept Enterprise Resource Planning (ERP). The metrology area, inside a large oil and gas company, it's solved by this application which has like a purpose the management of the calibration activity for the oil reservoirs. We have developed the software application in the SAP (System and Applications Products) environment. ABAP (Advanced Business Application Programming) it's the programing language for this application, which is using the latest Web Dynpro WD technology. In the other pages of the article are presented details regarding the analysis, implementation and testing of the software application.