Accurate method of measuring steam quality

Details Accurate method of measuring steam quality Accurate method of measuring steam quality

G - Physics

01

K

73/123, 354/21

G01K 17/06 (2006.01) G01N 25/60 (2006.01)

Patent

CA 1233672

ACCURATE METHOD OF MEASURING STEM QUALITY (D#77,856-F) ABSTRACT A method for determining the quality of steam flowing in a line used for steam injection, e.g. in an oil well. It has a vertical loop in the line, with an orifice in the up-flow side. The pressure, temperature and pressure drop at the orifice are measured before and after injecting a stream of water upstream from the orifice. The water stream is injected at a constant flow rate, and its temper- ature and pressure are measured. Using the measurements before and after the introduction of the water stream, simultaneous equations are developed related to the mass flow rate and to the heat flow rate, so that the steam quality may be determined.

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