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Readouts and Related Devices

Secondary systems are needed to handle primary element signals and the variables necessary to correct flow from flowing to base conditions. The types experiencing the fastest growth are the electronic systems designed to take advantage of the rapidly growing availability and value of computers. The features and advantages of electronic systems for flow calculation are discussed in this chapter, as are the required features of the related devices needed for flow measurement.

The inability to obtain a correct sample of a mixture of water and oil is a common source of inaccurate measurement in crude oil. Natural gas sampling presents a different set of problems, and many different methods have been approved and used ...

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