Giselle MARIN

Scope: Assist the IT team in systematically mapping the existing Tableau landscape (workbooks, data sources, calculated fields, parameters, extracts, usage). Produce an actionable migration framework so they can migrate sources to Microsoft Fabric and rebuild reporting in Power BI. Deliverables: Inventory and dependency maps, KPI and calculation catalog, source-to-target mapping, star-schema target model proposals, DAX equivalence guidelines, and migration runbook/checklists. Methods & tools: Automated scans where possible, workbook parsing, REST APIs, and documentation templates to standardize analysis and handover to engineering. Highlight gaps and risks; define prioritization and quick wins. Way of working: Short, iterative cycles with IT/data teams; remote delivery with key on-site sessions in Geneva for workshops and handover

- Definition and development of dashboards using Tableau software in order to meet the customer’s needs. - Help in defining new KPIs (operational and strategic). - Development of SQL queries from different DBMS to structure data to analyze. - Functional support and user training. - Testing and deployment of solutions. Key clients: Orange, Bureau Veritas, Openfield, Ministère de la ville, de la jeunesse et des sports, Le point.

-Develop a dashboard to monitor the implementation of new guarantee and client relationship projects. -Implement a workflow in SharePoint to monitor a business process. -Develop qualitative and quantitative measures in order to develop action plans. -Modeling business processes of new guarantee and client relationship projects.

-Manage the design of business processes for the information management service. -Administrate SharePoint sites for the information management service (creating pages, lists, libraries, sub-sites. Give permission access to users.) -Control the Behavior of the opportunity Indicator (SLA), and generating analysis report. -Support in the design of new KPI's for the upstream and downstream. -Benchmarking in data and information management services (oil and gas). -Monitor and control the initiatives of the strategic plan for the information management service.

The work performed during this internship was to develop and to study an acoustic method for characterizing the steel/cement interface, considering that during cementation of an oil well the log response may be affected by different factors. Some of these are the formation of the microannulus between the casing and the cement, the steel surface of the casing, and the slurry used. The following results were obtained: Set-up Implementation for the execution of acoustic measurements, in order to characterize the cement /steel interface and to improve the resolution of well logs. Adaptation on frequency of the signal processing software of the acoustic tool used by SCHLUMBERGER organization, for cement evaluation. It was performed an algorithm for the evaluation of a micro annulus-thickness.

analysis of data processing and calibration checks in pressure and temperature transmitters for dynamic measurements.