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Challenge: Support review of 3D geological models by
Solution: Use the Quality Reporting tool of Petrel Guru to automate and standardize completion of the corporate Geological Model Passport template used for quality assurance of 3D geological models.
Results: Reduced reporting time to 1–2 hours from the previous 2–3 days by standardizing data entry and automating quality control procedures, which also decreased the likelihood of human error and improved data integrity.
In 2015, Gazprom Neft PJSC created the Geological Model Passport corporate template for investigating how 3D geological models were built. Used to simplify expert review and monitoring of the work sequence, this reporting document is required to be completed for every 3D model with the following data:
However, filling out a Geological Model Passport by hand was taking 2 to 3 working days. Considering the number of models submitted for expert review at Gazprom Neft, a considerable amount of time was being spent on manual data entry tasks.
To improve data entry efficiency, Gazprom Neft chose Petrel Guru as an automatic data entry tool for the Geological Model Passports conducted for every geological model created in the Petrel platform.
Petrel Guru is a Schlumberger enabling technology that provides customers with complete quality support and guidance at every step of their workflows in the Petrel E&P software platform. As an embedded quality reporting tool, Petrel Guru integrates in-context guidance with knowledge and best practices capture.
Petrel Guru’s Quality Reporting capability was used in this context to enable users to run tests on their data objects and automatically create reports detailing the quality of the results. Together with the Petrel platform’s workflow functions, Petrel Guru supports users in
A dedicated Petrel Guru Quality Reporting workflow was created to automatically enter data for interrogation into the appropriate fields of the 16-page Geological Model Passport template. The fields include more than 20 graphical elements, 100 numerical and text values, and reserve estimates.
To initiate the workflow, a user specifies the geological 3D model with relevant properties (such as lithology, porosity, and fluid type) and the data used to build the model. If certain data are missing, a warning message is displayed in the report.
Testing of the Petrel Guru Quality Reporting capability at Gazprom Neft’s research and development center documented the many advantages resulting from automation and standardization:
Rustam Faizov, Lead Specialist Geological Expert Review and Methodology Development Gazpromneft-NTC LLC
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