Schlumberger has been granted a patent for a method involving tracer tracking to control flow control devices on injection wells. The technology uses numerical tracers to optimize flow control device parameters based on reservoir models, improving efficiency in fluid injection into geological layers. GlobalData’s report on Schlumberger gives a 360-degree view of the company including its patenting strategy. Buy the report here.
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Optimizing flow control devices on injection wells using tracers
A recently granted patent (Publication Number: US11970935B2) discloses a method and system for tracer tracking to control flow control devices on injection wells. The method involves using a reservoir model with numerical tracers to obtain output values for producer wells, assigning numerical tracers to injection flow control devices, calculating volume fractions, solving an optimization problem to obtain flow control device parameters, generating aperture settings, and adjusting apertures based on the settings. The system includes a computer processor, data repository, reservoir modeling tool, volume fraction calculator, and optimization problem solver to facilitate the process. Additional features include calculating flow control device functions, using sensor data for production rates, and executing the model for multiple realizations to optimize oil production or net present value.
Furthermore, the patent covers a non-transitory computer-readable medium containing instructions for executing the method described above. These instructions enable the computer processor to perform tasks such as calculating flow control device functions, detecting production rates using sensors, executing the model for various realizations, and optimizing the operation of injection flow control devices. The disclosed method and system offer a comprehensive approach to tracer tracking for enhanced control of flow control devices on injection wells, ultimately aiming to maximize oil production and net present value. The technology outlined in the patent provides a sophisticated solution for optimizing reservoir management and enhancing the efficiency of oil extraction processes in the field.
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GlobalData’s Patent Analytics tracks patent filings and grants from official offices around the world. Textual analysis and official patent classifications are used to group patents into key thematic areas and link them to specific companies across the world’s largest industries.
