发明授权
US5031465A Steam quality and mass flow rate measurement using critical flow choke upstream of an orifice plate 失效
使用临时流量扼流圈在孔板上游的蒸汽质量和质量流量测量

Steam quality and mass flow rate measurement using critical flow choke
upstream of an orifice plate
摘要:
A method and apparatus for measuring steam quality and mass flow rate at an injection wellhead includes measuring upstream pressure before a critical flow choke, downstream pressure after the choke and differential pressure across an orifice plate spaced downstream of the choke.
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