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UPDATED 1 Sept: The EI library in London is temporarily closed to the public, as a precautionary measure in light of the ongoing COVID-19 situation. The Knowledge Service will still be answering email queries via email , or via live chats during working hours (09:15-17:00 GMT). Our e-library is always open for members here: eLibrary , for full-text access to over 200 e-books and millions of articles. Thank you for your patience.
Improve automatic tank gauging of floating roof tanks. P.E. Myers. Hydrocarbon Processing, May 1998, 77(5), 52--58.
Automatic tank gauge (ATG) technology used by Chevron is reviewed. Data for seven tanks are tabulated and ATG and manual measurement errors are compared. A device to seal the gap between the roof and tank shell is described and illustrated. Measurement errors are discussed and modelling to understand the magnitude of discrepancies is described. Results show that rim seal forces cause significant errors in volume measurements in aboveground storage tanks. Areas of tank technology discussed are double deck floating roofs, annular pontoon floating roofs, internal aluminium floating roofs, impact on custody transfer, stock loss and inventory, volumetric and mass leak detection. 4 refs.
Abstract details
Journal title: Hydrocarbon Processing
Subjects: Measurement, testing and control, Metering, Storage, Transportation of products, Non-ferrous metals, Oil and gas, Oil, Metering, monitoring and targeting
