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A water cut meter measures the water content (cut) of crude oil and hydrocarbons as they flow through a pipeline. While the title "Water cut" has been traditionally used, the current API naming is Water Cut Analyser or WCA as OWD or On-Line Water Determination is trademarked.
A sample point on the discharge line allows for the analyzer to determine the oil content of the ballast now and slop water in PPM. [2] The analyzer is self-maintaining by periodical cleansings with fresh water, and therefore requires a minimum of active maintenance from the crew. [2] The results of the analyzer are sent to a computer, which ...
All unrefined crude oil has some water entrained within it. During transportation by ship, separation occurs naturally and water collects at the base of the tank below the oil, this is known as free water (FW). [4] Sales contracts for crude oil will typically specify the BS&W and FW to ensure the cargo meets quality standards.
A wide range of analysis instruments are used in the oil, gas and petrochemical industries. [1] [16] Chromatography – to measure the quality of product or reactants; Density (oil) – for custody metering of liquids; Dewpoint (water dewpoint and hydrocarbon dewpoint) to check the efficiency of dehydration or dewpoint control plant
Water chemistry analysis is often the groundwork of studies of water quality, pollution, hydrology and geothermal waters. Analytical methods routinely used can detect and measure all the natural elements and their inorganic compounds and a very wide range of organic chemical species using methods such as gas chromatography and mass spectrometry .
Oil content meters measure how effective the oily water separators on a ship are functioning. [6] If the OCM computes that the oily discharge is above the 15 ppm standard, the oily water separator needs to be checked by the crew. There are three types of oil that the oil content meter needs to check for and they are fuel oil, diesel, and ...
A centrifugal water-oil separator, centrifugal oil-water separator or centrifugal liquid-liquid separator is a device designed to separate oil and water by centrifugation. It generally contains a cylindrical container that rotates inside a larger stationary container.
The API separator is a gravity separation device designed using Stokes' law principles that define the rise velocity of oil droplets based on their density, size and water properties. The design of the separator is based on the specific gravity difference between the oil and the wastewater because that difference is much smaller than the ...