G - Physics – 01 – N
Patent
G - Physics
01
N
73/103
G01N 31/00 (2006.01) E21B 43/24 (2006.01) E21B 49/00 (2006.01) E21B 49/08 (2006.01) G01N 11/00 (2006.01) G01N 25/60 (2006.01)
Patent
CA 1229505
METHOD AND DEVICE FOR MEASURING STEAM QUALITY ABSTRACT Method and apparatus, based on comparative concentra- tions of dissolved solids in feedwater and steam liquids, are provided for determining the quality of steam in a vessel or the like, such as steam flowing in a line used for steam injection in an oil well. A sample of the liquid phase of steam is trapped by means of a liquid vapor separator main- tained at steam line temperature and pressure conditions. In this way errors due to condensation in the separator and its connecting lines are avoided. The sample is withdrawn from the separator into a collection chamber at a controlled rate which avoids reducing the pressure within the separator and thereby avoids the introduction of error because of erroneous con- centration of dissolved solids within the separator sample. Errors are avoided also which in other methods and devices are introduced by the difficulty of obtaining representative two- phase samples and by deposition of solids in throttling orifices.
474254
Brown Alfred
Cheung Yin L.
Long Stephen L.
Gowling Lafleur Henderson Llp
Texaco Development Corporation
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