Bunkering ship deck

Mass flow metering system  

2016 Kb File in English

12/8/2016

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ExxonMobil is the first accredited bunker fuel supplier to introduce a mass flow metering system (MFMS) in Singapore and Hong Kong. MFMS technology automatically monitors the mass flow, density and temperature throughout the bunker fuel delivery process.

ExxonMobil’s MFMS provides:

  • Increased transparency – reducing the uncertainties associated with density, temperature and other factors like tank geometry. A MFMS is accurate to within +/- 0.5 percent
  • Significant cost benefits – saving an estimated US $2,000* per fuel delivery by eliminating the possibility of human calculation errors from traditional tank dipping
  • Significant time savings – offering the potential to save up to three hours per delivery**
  • Enhanced system integrity – with independent certification of the calibration and security of the system's associated pipelines, valves, gauges and barge equipment. Tamper-evident seals are also installed throughout
  • Increased traceability – with data logged throughout the entire delivery process, illustrating the fuel mass transferred at any point in time, offering a transparent and accurate measure of delivered fuel

The technology, approved for bunker fuel deliveries by the Maritime and Port Authority of Singapore in 2012, has now been introduced in Hong Kong where it has been accredited by Lloyd’s Register.

Coupled with ExxonMobil’s expertise and knowledge of the bunkering process, the system helps to enhance the integrity, security and efficiency of fuel quantity measurement.

*Per 1,000MT stem size delivery at $300/MT. Includes surveyor costs, temperature delivery range and density delivery range but does not include dip tank measurement errors. A temperature measurement delta of 10°C amounts for up to US $2,100. A 3kg/m³ density difference amounts for up to US $1,000. These variables can be avoided by the use of a secure mass flow metering system, therefore negating the need of a quantity surveyor with an estimated cost of up to US $2,000.
**Comparison versus manual tank dipping.

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