Using Sigmafine to Improve Production Accounting and Data Reconciliation at Chevron Refineries

Presentation from the Sigmafine Summit in Houston, October 23, 2019.


Part of Chevron’s digital transformation journey includes improving the quality of refinery process data and automating the data flow around existing Production Accounting and Data Reconciliation processes. Today, Sigmafine is in use at all Chevron equity refineries for data reconciliation and mass balance.

This presentation discusses the replacement of the aging disparate systems currently used to manage inventory, material transfers within the refinery, and external purchases/sales of feedstocks and finished products.

Presented by

Elizabeth Swinney
Mass Balance Advisor

Elizabeth Swinney currently serves as the Refinery System Mass Balance Lead out of the Chevron Pascagoula refinery in Mississippi. She has over twenty years experience in oil and gas accounting holding roles such as as Foreign Trade Zone Analyst, Finance Business Analyst, Oils Planning Business Analyst, Stock Accounting Analyst and Supervisor.

Elizabeth graduated with a Bachelors of Science in Accounting from the University of South Alabama.

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